What's the best JavaScript minifier?
This project benchmarks the following minifiers:
| Minifier | Version | Release date ↓ |
|---|---|---|
| @tdewolff/minify | 2.24.5 | 2025年10月24日 |
| @swc/core | 1.13.21 | 2025年10月24日 |
| bun | 1.3.1 | 2025年10月22日 |
| oxc-minify | 0.95.0 | 2025年10月15日 |
| esbuild | 0.25.11 | 2025年10月15日 |
| terser | 5.44.0 | 2025年09月02日 |
| google-closure-compiler | 20250820.0.0 | 2025年08月22日 |
| @cminify/cminify-linux-x64 | 3.0.1 | 2025年07月27日 |
| uglify-js | 3.19.3 | 2024年08月29日 |
| babel-minify | 0.5.2 | 2022年05月06日 |
| tedivm/jshrink | 1.8.0 |
Benchmarks last updated on Oct 24, 2025.
- To help you pick a minifier that fits your needs
- To promote JS minifiers and document their performances
- To encourage healthy competition and improvement amongst minifiers
- Each minifier is executed in its own process with a 10s timeout
- Artifact integrity is verified by a test before and after minification
- Each minifier is minimally configured (sourcemaps & comments disabled), comparing out-of-the-box experience
- Minifier upgrade PRs are automated via WhiteSource Renovate
- Benchmarks are updated on every PR via GitHub Actions
- The raw benchmark data is available in
/packages/data/data/data.json
For each benchmark, minifiers are ranked by a score that reflects the best balance of trade-offs.
The score combines minzipped size and minification time, with size weighted more heavily by default (85% size, 15% time) since it's usually the top priority. If a minifier is unusually slow, the weights shift toward time using a logistic sigmoid function, up to a 50/50 split. This avoids harsh cutoffs while still penalizing extreme slowness.
Both size and time are scaled using min-max normalization so they can be compared fairly. The result is a context-aware score that helps surface the best overall choice—but make sure to check each column directly if size or speed matters more to you.
Size of the minified output.
Size of the minified output with Gzip compression.
For minifiers, this measures how compressable the output is.
For users, this measures network transfer size, which is usually the metric that matters most.
How long minification took (average of 5 runs). Each time is annotated with a multiplier relative to the fastest minifier.
Tip
What's the verdict? ⚔️ See the Minifier showdown
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| react v17.0.2 (Source) | 72.13 KB |
19.39 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -68% 22.81 KB |
-58% 8.19 KB |
3x 12 ms |
| 2. oxc-minify | -68% 23.22 KB |
-57% 8.40 KB |
1x 3 ms |
| 3. terser | -68% 23.05 KB |
-57% 8.26 KB |
93x 282 ms |
| 4. uglify-js | 🏆-69% 22.64 KB |
🏆-58% 8.18 KB |
169x 511 ms |
| 5. esbuild | -67% 23.70 KB |
-56% 8.54 KB |
5x 17 ms |
| 6. @tdewolff/minify | -67% 23.49 KB |
-55% 8.63 KB |
🏆 3 ms |
| 7. bun | -67% 23.99 KB |
-55% 8.66 KB |
6x 21 ms |
| 8. uglify-js (no compress) | -65% 25.03 KB |
-55% 8.67 KB |
30x 90 ms |
| 9. babel-minify | -67% 23.61 KB |
-56% 8.45 KB |
178x 537 ms |
| 10. terser (no compress) | -65% 25.06 KB |
-55% 8.74 KB |
42x 128 ms |
| 11. google-closure-compiler | -68% 22.81 KB |
-58% 8.22 KB |
1013x 3,048 ms |
| 12. @cminify/cminify-linux-x64 | -44% 40.04 KB |
-44% 10.86 KB |
4x 15 ms |
| 13. tedivm/jshrink | -43% 40.82 KB |
-43% 11.04 KB |
42x 126 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| moment v2.29.1 (Source) | 173.90 KB |
36.23 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -66% 58.42 KB |
-48% 18.75 KB |
4x 29 ms |
| 2. oxc-minify | -66% 59.40 KB |
-47% 19.24 KB |
1x 10 ms |
| 3. terser | -66% 59.01 KB |
-48% 18.69 KB |
95x 631 ms |
| 4. esbuild | -66% 59.82 KB |
-47% 19.33 KB |
3x 21 ms |
| 5. @tdewolff/minify | -66% 59.89 KB |
-46% 19.48 KB |
🏆 7 ms |
| 6. uglify-js | 🏆-67% 57.73 KB |
🏆-49% 18.57 KB |
166x 1,106 ms |
| 7. uglify-js (no compress) | -64% 62.50 KB |
-46% 19.57 KB |
29x 199 ms |
| 8. bun | -64% 61.76 KB |
-45% 19.85 KB |
2x 17 ms |
| 9. terser (no compress) | -64% 63.01 KB |
-46% 19.65 KB |
37x 249 ms |
| 10. babel-minify | -66% 59.79 KB |
-48% 19.01 KB |
183x 1,215 ms |
| 11. google-closure-compiler | -66% 58.28 KB |
-48% 18.90 KB |
566x 3,760 ms |
| 12. @cminify/cminify-linux-x64 | -45% 95.93 KB |
-32% 24.74 KB |
1x 10 ms |
| 13. tedivm/jshrink | -44% 97.63 KB |
-31% 25.00 KB |
43x 286 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| jquery v3.5.1 (Source) | 287.63 KB |
84.50 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -69% 89.17 KB |
-63% 30.86 KB |
5x 51 ms |
| 2. oxc-minify | -69% 89.26 KB |
-63% 30.93 KB |
1x 15 ms |
| 3. @tdewolff/minify | -69% 89.68 KB |
-63% 31.45 KB |
🏆 9 ms |
| 4. uglify-js (no compress) | -67% 94.08 KB |
-63% 31.47 KB |
30x 273 ms |
| 5. esbuild | -69% 90.07 KB |
-62% 31.96 KB |
3x 30 ms |
| 6. terser (no compress) | -67% 94.26 KB |
-63% 31.56 KB |
37x 332 ms |
| 7. terser | -69% 89.24 KB |
🏆-63% 30.86 KB |
91x 819 ms |
| 8. bun | -68% 92.39 KB |
-61% 32.64 KB |
3x 29 ms |
| 9. uglify-js | 🏆-69% 88.45 KB |
-63% 30.90 KB |
178x 1,595 ms |
| 10. babel-minify | -68% 92.11 KB |
-62% 31.80 KB |
215x 1,922 ms |
| 11. google-closure-compiler | -68% 92.71 KB |
-61% 33.05 KB |
450x 4,021 ms |
| 12. @cminify/cminify-linux-x64 | -51% 141.45 KB |
-52% 40.37 KB |
1x 14 ms |
| 13. tedivm/jshrink | -50% 144.14 KB |
-52% 40.88 KB |
40x 359 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| vue v2.6.12 (Source) | 342.15 KB |
89.67 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -66% 115.68 KB |
🏆-52% 42.73 KB |
5x 68 ms |
| 2. oxc-minify | -66% 116.98 KB |
-52% 43.23 KB |
1x 19 ms |
| 3. @tdewolff/minify | -66% 117.70 KB |
-51% 44.37 KB |
🏆 12 ms |
| 4. esbuild | -65% 118.14 KB |
-51% 44.37 KB |
2x 34 ms |
| 5. uglify-js (no compress) | -63% 126.14 KB |
-50% 44.45 KB |
29x 348 ms |
| 6. terser | -66% 116.60 KB |
-52% 42.87 KB |
86x 1,039 ms |
| 7. bun | -65% 121.28 KB |
-49% 45.39 KB |
2x 33 ms |
| 8. terser (no compress) | -63% 126.39 KB |
-50% 44.64 KB |
34x 409 ms |
| 9. uglify-js | 🏆-67% 113.80 KB |
-52% 43.04 KB |
176x 2,114 ms |
| 10. babel-minify | -66% 117.92 KB |
-51% 43.89 KB |
180x 2,158 ms |
| 11. google-closure-compiler | -66% 115.55 KB |
-51% 44.24 KB |
360x 4,306 ms |
| 12. @cminify/cminify-linux-x64 | -43% 193.91 KB |
-37% 56.36 KB |
1x 15 ms |
| 13. tedivm/jshrink | -42% 197.36 KB |
-36% 57.17 KB |
39x 477 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| lodash v4.17.21 (Source) | 544.09 KB |
96.69 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -87% 69.81 KB |
-74% 25.24 KB |
4x 50 ms |
| 2. oxc-minify | -87% 71.04 KB |
-73% 25.90 KB |
1x 15 ms |
| 3. uglify-js (no compress) | -86% 74.61 KB |
-73% 25.86 KB |
25x 302 ms |
| 4. esbuild | -87% 72.50 KB |
-73% 26.20 KB |
2x 34 ms |
| 5. @tdewolff/minify | -87% 71.90 KB |
-73% 26.50 KB |
1x 12 ms |
| 6. terser | -87% 70.41 KB |
-74% 25.15 KB |
72x 859 ms |
| 7. bun | -87% 73.45 KB |
-72% 26.66 KB |
1x 22 ms |
| 8. terser (no compress) | -86% 75.04 KB |
-73% 26.19 KB |
29x 349 ms |
| 9. uglify-js | 🏆-87% 68.17 KB |
🏆-74% 24.69 KB |
143x 1,697 ms |
| 10. babel-minify | -87% 72.79 KB |
-74% 25.41 KB |
142x 1,679 ms |
| 11. google-closure-compiler | -86% 73.49 KB |
-74% 25.03 KB |
363x 4,295 ms |
| 12. @cminify/cminify-linux-x64 | -73% 146.27 KB |
-63% 35.94 KB |
🏆 12 ms |
| 13. tedivm/jshrink | -73% 148.78 KB |
-62% 36.33 KB |
32x 382 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| d3 v6.3.1 (Source) | 555.77 KB |
130.69 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -52% 265.22 KB |
-33% 87.22 KB |
6x 145 ms |
| 2. oxc-minify | -52% 267.39 KB |
-33% 87.96 KB |
2x 51 ms |
| 3. uglify-js (no compress) | -50% 275.35 KB |
-32% 88.32 KB |
32x 686 ms |
| 4. @tdewolff/minify | -52% 269.07 KB |
-31% 89.87 KB |
1x 34 ms |
| 5. terser (no compress) | -50% 276.13 KB |
-32% 89.07 KB |
44x 945 ms |
| 6. esbuild | -51% 270.21 KB |
-31% 90.81 KB |
3x 68 ms |
| 7. terser | -52% 267.42 KB |
-33% 88.00 KB |
102x 2,190 ms |
| 8. bun | -51% 272.73 KB |
-29% 92.34 KB |
2x 51 ms |
| 9. uglify-js | 🏆-53% 263.56 KB |
🏆-33% 87.02 KB |
185x 3,964 ms |
| 10. @cminify/cminify-linux-x64 | -29% 393.70 KB |
-21% 103.81 KB |
🏆 21 ms |
| 11. google-closure-compiler | -51% 270.32 KB |
-28% 94.15 KB |
301x 6,444 ms |
| 12. babel-minify ❌ Minification | ❌ | ❌ | - |
| 13. tedivm/jshrink ❌ Minification | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| terser v5.30.3 (Source) | 1.01 MB |
193.76 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. oxc-minify | 🏆-56% 439.40 KB |
🏆-37% 122.02 KB |
2x 48 ms |
| 2. @swc/core | -55% 455.48 KB |
-36% 123.29 KB |
5x 124 ms |
| 3. @tdewolff/minify | -55% 456.60 KB |
-36% 124.88 KB |
1x 32 ms |
| 4. terser (no compress) | -53% 472.58 KB |
-36% 124.25 KB |
38x 887 ms |
| 5. uglify-js (no compress) | -53% 472.16 KB |
-36% 124.61 KB |
33x 765 ms |
| 6. esbuild | -55% 458.93 KB |
-35% 126.71 KB |
2x 62 ms |
| 7. bun | -54% 466.69 KB |
-34% 127.64 KB |
1x 44 ms |
| 8. terser | -55% 456.59 KB |
-36% 123.35 KB |
91x 2,094 ms |
| 9. uglify-js | -55% 451.19 KB |
-36% 123.33 KB |
163x 3,736 ms |
| 10. google-closure-compiler | -56% 439.92 KB |
-35% 126.44 KB |
255x 5,846 ms |
| 11. @cminify/cminify-linux-x64 | -38% 625.93 KB |
-26% 144.30 KB |
🏆 23 ms |
| 12. tedivm/jshrink | -37% 633.71 KB |
-25% 145.18 KB |
59x 1,353 ms |
| 13. babel-minify ❌ Minification | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| three v0.124.0 (Source) | 1.25 MB |
248.27 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -48% 642.94 KB |
🏆-36% 158.75 KB |
8x 197 ms |
| 2. oxc-minify | -48% 642.65 KB |
-36% 159.91 KB |
3x 76 ms |
| 3. esbuild | -48% 646.93 KB |
-34% 163.75 KB |
3x 91 ms |
| 4. @tdewolff/minify | -49% 642.21 KB |
-34% 164.60 KB |
2x 48 ms |
| 5. uglify-js (no compress) | -46% 674.49 KB |
-34% 163.04 KB |
42x 985 ms |
| 6. terser (no compress) | -46% 675.43 KB |
-34% 163.18 KB |
51x 1,182 ms |
| 7. bun | -47% 655.59 KB |
-33% 166.17 KB |
2x 57 ms |
| 8. terser | -48% 653.18 KB |
-36% 159.17 KB |
122x 2,825 ms |
| 9. uglify-js | 🏆-49% 641.59 KB |
-36% 159.07 KB |
219x 5,050 ms |
| 10. google-closure-compiler | -48% 644.51 KB |
-34% 162.81 KB |
342x 7,878 ms |
| 11. @cminify/cminify-linux-x64 | -25% 941.06 KB |
-23% 191.97 KB |
🏆 23 ms |
| 12. tedivm/jshrink | -24% 952.01 KB |
-22% 193.47 KB |
75x 1,736 ms |
| 13. babel-minify ❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| victory v35.8.4 (Source) | 2.13 MB |
309.94 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. @swc/core | -67% 705.98 KB |
-49% 157.75 KB |
6x 303 ms |
| 2. oxc-minify | -67% 711.15 KB |
-48% 160.89 KB |
2x 113 ms |
| 3. @tdewolff/minify | -66% 716.83 KB |
-47% 165.01 KB |
1x 56 ms |
| 4. terser (no compress) | -65% 756.62 KB |
-46% 166.18 KB |
31x 1,487 ms |
| 5. uglify-js (no compress) | -65% 756.53 KB |
-46% 167.58 KB |
25x 1,245 ms |
| 6. terser | -67% 712.87 KB |
-49% 158.46 KB |
80x 3,840 ms |
| 7. esbuild | -66% 725.65 KB |
-42% 181.23 KB |
2x 126 ms |
| 8. bun | -66% 726.80 KB |
-41% 182.61 KB |
1x 90 ms |
| 9. uglify-js | 🏆-67% 694.78 KB |
🏆-49% 157.44 KB |
137x 6,600 ms |
| 10. @cminify/cminify-linux-x64 | -33% 1.43 MB |
-29% 221.12 KB |
🏆 48 ms |
| 11. babel-minify ❌ Minification | ❌ | ❌ | - |
| 12. google-closure-compiler ❌ Timed out | - | - | +10,000 ms |
| 13. tedivm/jshrink ❌ Post-validation | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| echarts v5.1.1 (Source) | 3.20 MB |
684.61 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. oxc-minify | -69% 1.00 MB |
-53% 323.10 KB |
5x 229 ms |
| 2. @swc/core | 🏆-69% 993.90 KB |
🏆-53% 321.14 KB |
13x 609 ms |
| 3. @tdewolff/minify | -68% 1.01 MB |
-52% 331.79 KB |
2x 120 ms |
| 4. esbuild | -68% 1.01 MB |
-52% 331.62 KB |
4x 213 ms |
| 5. bun | -68% 1.02 MB |
-51% 337.87 KB |
3x 137 ms |
| 6. uglify-js (no compress) | -67% 1.07 MB |
-52% 331.41 KB |
37x 1,722 ms |
| 7. terser (no compress) | -67% 1.07 MB |
-52% 330.35 KB |
55x 2,501 ms |
| 8. terser | -69% 998.45 KB |
-53% 321.56 KB |
129x 5,866 ms |
| 9. @cminify/cminify-linux-x64 | -45% 1.77 MB |
-37% 434.45 KB |
🏆 45 ms |
| 10. babel-minify ❌ Timed out | - | - | +10,000 ms |
| 11. google-closure-compiler ❌ Timed out | - | - | +10,000 ms |
| 12. tedivm/jshrink ❌ Minification | ❌ | ❌ | - |
| 13. uglify-js ❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| antd v4.16.1 (Source) | 6.67 MB |
825.18 KB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. oxc-minify | -67% 2.22 MB |
-45% 456.09 KB |
4x 310 ms |
| 2. @swc/core | 🏆-68% 2.15 MB |
🏆-45% 452.40 KB |
10x 735 ms |
| 3. @tdewolff/minify | -66% 2.29 MB |
-43% 471.80 KB |
1x 138 ms |
| 4. esbuild | -65% 2.31 MB |
-41% 488.42 KB |
4x 301 ms |
| 5. bun | -66% 2.30 MB |
-40% 491.71 KB |
2x 172 ms |
| 6. uglify-js (no compress) | -64% 2.42 MB |
-42% 478.57 KB |
33x 2,453 ms |
| 7. terser (no compress) | -64% 2.42 MB |
-42% 474.97 KB |
38x 2,816 ms |
| 8. terser | -66% 2.24 MB |
-45% 457.35 KB |
90x 6,631 ms |
| 9. @cminify/cminify-linux-x64 | -34% 4.43 MB |
-24% 623.37 KB |
🏆 73 ms |
| 10. babel-minify ❌ Timed out | - | - | +10,000 ms |
| 11. google-closure-compiler ❌ Timed out | - | - | +10,000 ms |
| 12. tedivm/jshrink ❌ Timed out | - | - | +10,000 ms |
| 13. uglify-js ❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| typescript v4.9.5 (Source) | 10.95 MB |
1.88 MB |
|
| Minifier | Minified size | Minzipped size | Time |
| 1. oxc-minify | -70% 3.33 MB |
🏆-55% 853.15 KB |
5x 639 ms |
| 2. @tdewolff/minify | -69% 3.35 MB |
-54% 875.82 KB |
2x 265 ms |
| 3. @swc/core | 🏆-70% 3.31 MB |
-54% 859.05 KB |
14x 1,622 ms |
| 4. esbuild | -68% 3.49 MB |
-51% 915.59 KB |
4x 495 ms |
| 5. bun | -68% 3.54 MB |
-51% 923.27 KB |
2x 308 ms |
| 6. uglify-js (no compress) | -68% 3.54 MB |
-53% 876.54 KB |
34x 3,784 ms |
| 7. terser (no compress) | -68% 3.53 MB |
-53% 878.64 KB |
43x 4,687 ms |
| 8. @cminify/cminify-linux-x64 | -47% 5.85 MB |
-40% 1.13 MB |
🏆 109 ms |
| 9. babel-minify ❌ Timed out | - | - | +10,000 ms |
| 10. google-closure-compiler ❌ Timed out | - | - | +10,000 ms |
| 11. tedivm/jshrink ❌ Timed out | - | - | +10,000 ms |
| 12. terser ❌ Timed out | - | - | +10,000 ms |
| 13. uglify-js ❌ Timed out | - | - | +10,000 ms |
Note
🤖 This analysis is AI generated. See below for the system prompt.
Three... two... one... compress! Welcome to the Minification Grand Prix, where every byte matters and the clock is merciless. The field mixed old pros and hungry upstarts. Some gambled on shaving extra percent points. Others sprinted like maniacs. The scoreboard was messy, thrilling, and occasionally brutal.
Champion by the slimmest of margins (and the most trophies): uglify-js. It grabbed the most "best gzip" wins across the suite — five rounds — and routinely produced the smallest transfer sizes on small and medium libraries (think react, moment, lodash, d3, victory). When absolute smallest transfer size is the hill you’ll die on, uglify-js is the climber with crampons. The trade-off is time: uglify often takes hundreds to thousands of milliseconds on larger artifacts, so it's a heavy-weight compressor that earns its reductions slowly.
This was not an easy call. Several tools came within a hair of uglify’s sizes, but uglify repeatedly found the last few percent of savings that matter for CDN costs and mobile latency.
@swc/core. Four rounds won, and an impressively consistent performer on large codebases. swc delivered near-best gzip sizes on the big beasts (three, echarts, antd) while staying orders of magnitude faster than the slowest size-chasers. If you care about almost-best transfer size and actually shipping builds quickly, swc is the sweet spot — it balances the size/time trade-off with surgical precision.
- oxc-minify — A serious contender on large artifacts. Took the crown on the very largest piece (typescript) and showed it can beat swc in a few matchups. Smart size, decent speed.
- @tdewolff/minify — The rabbit of the bunch. Blindingly fast (single-digit ms on small packages) with surprisingly competitive gzip results. Perfect for fast CI checks or quick local scaffolding where milliseconds matter more than that last percent.
- @cminify/cminify-linux-x64 — Consistently the speed demon on large files, but it pays for that speed with larger gzip sizes. If throughput is your bottleneck, it’s worth a look.
- terser — Took the best on jquery. Good specialist performance on certain inputs.
- oxc and swc together formed the best duo on giant bundles where raw size savings matter and time still stays reasonable.
- babel-minify — Crashed on "d3": "Cannot read properties of undefined (reading 'add')". Removed from contention.
- tedivm/jshrink — Crashed on "d3": "Unclosed regex pattern" error. Removed from contention.
This race only measured two things: gzipped transfer size and minification speed. Real-life choices also hinge on developer experience, compatibility, integration, and safety. If you want the absolute smallest bytes and can tolerate slower runs, uglify-js wins. If you want a near-best filesize with dramatically better speed, @swc/core is the practical champion. If you need raw, blazing throughput, peek at @tdewolff/minify or @cminify. Try a couple on your own repos — the shape of your code changes the result — but now you know the contenders and the trade-offs. Choose your fighter.
System prompt
×ばつ faster tool with ~1% worse compression might be more practical for CI pipelines. - Bigger source = harder challenge. Reward outstanding performance on large artifacts. - Trade-offs are key. Highlight where a tool sacrifices speed for size (or vice versa), and who manages both impressively. 3. Context matters: - These benchmarks only capture performance. Real-world adoption also depends on DX: install size, API design, community, etc. Mention that—briefly—but do not evaluate it. - If a tool stands out only in niche scenarios, note it. - If a tool fails validation or breaks input code, eliminate it and warn accordingly. ## Output format - Tone: Energetic, cheeky, and dramatic—like a live commentator at a niche sporting event. No emojis. - Style: Short, connected sentences. Prioritize flow over bullet lists, except for eliminations. - Audience: Readers who want *practical insight* from raw benchmark data—without needing to decode gzip math or performance charts. ## Output structure & example ```md <Quick intro — set the tone. Comment on how fierce or surprising the field was.> Three... two... one... compress! Welcome to the Minification Grand Prix, where bytes are sliced, milliseconds count, and no semicolon is safe. This year's lineup is ferocious, blending familiar veterans with some clever debutants. The competition? Gritty as ever. The stakes? Astronomical. Let’s see who rises to the top of the minification hierarchy! ### Best minifier <Name the top performer and justify it. Consider consistency, trade-offs, and standout moments. Call out how hard the decision was if close.> ### Honorable mentions <Concisely highlight specific tools that impressed in size, speed, or balance. Mention exciting newcomers or quietly consistent performers.> ### Eliminated <List of disqualified minifiers, each with a quick reason (e.g., crash, invalid output, critical bug). Be clear but diplomatic.> ### Closing remarks <Closing remarks — Concisely celebrate the competition, acknowledge that DX and correctness also matter, and encourage readers to explore what fits their workflow.> ``` # Minifiers - babel-minify v0.5.2 released 2022-05-06 - bun v1.3.1 released 2025-10-22 - @cminify/cminify-linux-x64 v3.0.1 released 2025-07-27 - esbuild v0.25.11 released 2025-10-15 - google-closure-compiler v20250820.0.0 released 2025-08-22 - tedivm/jshrink v1.8.0 - oxc-minify v0.95.0 released 2025-10-15 - @swc/core v1.13.21 released 2025-10-24 - @tdewolff/minify v2.24.5 released 2025-10-24 - terser v5.44.0 released 2025-09-02 - uglify-js v3.19.3 released 2024-08-29 # Race results ## Round 1: npm package "react" (19.39 KB gzipped) - Best gzip compression: uglify-js: 8.18 KB (58% shaved) in 511 ms - Fastest: @tdewolff/minify: 8.63 KB (55% shaved) in 3 ms - Most balanced: @swc/core: 8.19 KB (58% shaved) in 12 ms - Honorable mention: oxc-minify: 8.40 KB (57% shaved) in 3 ms ## Round 2: npm package "moment" (36.23 KB gzipped) - Best gzip compression: uglify-js: 18.57 KB (49% shaved) in 1,106 ms - Fastest: @tdewolff/minify: 19.48 KB (46% shaved) in 7 ms - Most balanced: @swc/core: 18.75 KB (48% shaved) in 29 ms - Honorable mention: oxc-minify: 19.24 KB (47% shaved) in 10 ms ## Round 3: npm package "jquery" (84.50 KB gzipped) - Best gzip compression: terser: 30.86 KB (63% shaved) in 819 ms - Fastest: @tdewolff/minify: 31.45 KB (63% shaved) in 9 ms - Most balanced: @swc/core: 30.86 KB (63% shaved) in 51 ms - Honorable mention: oxc-minify: 30.93 KB (63% shaved) in 15 ms ## Round 4: npm package "vue" (89.67 KB gzipped) - Best gzip compression: @swc/core: 42.73 KB (52% shaved) in 68 ms - Fastest: @tdewolff/minify: 44.37 KB (51% shaved) in 12 ms - Most balanced: @swc/core: 42.73 KB (52% shaved) in 68 ms - Honorable mention: oxc-minify: 43.23 KB (52% shaved) in 19 ms ## Round 5: npm package "lodash" (96.69 KB gzipped) - Best gzip compression: uglify-js: 24.69 KB (74% shaved) in 1,697 ms - Fastest: @cminify/cminify-linux-x64: 35.94 KB (63% shaved) in 12 ms - Most balanced: @swc/core: 25.24 KB (74% shaved) in 50 ms - Honorable mention: oxc-minify: 25.90 KB (73% shaved) in 15 ms ## Round 6: npm package "d3" (130.69 KB gzipped) - Best gzip compression: uglify-js: 87.02 KB (33% shaved) in 3,964 ms - Fastest: @cminify/cminify-linux-x64: 103.81 KB (21% shaved) in 21 ms - Most balanced: @swc/core: 87.22 KB (33% shaved) in 145 ms - Honorable mention: oxc-minify: 87.96 KB (33% shaved) in 51 ms ## Round 7: npm package "terser" (193.76 KB gzipped) - Best gzip compression: oxc-minify: 122.02 KB (37% shaved) in 48 ms - Fastest: @cminify/cminify-linux-x64: 144.30 KB (26% shaved) in 23 ms - Most balanced: oxc-minify: 122.02 KB (37% shaved) in 48 ms - Honorable mention: @swc/core: 123.29 KB (36% shaved) in 124 ms ## Round 8: npm package "three" (248.27 KB gzipped) - Best gzip compression: @swc/core: 158.75 KB (36% shaved) in 197 ms - Fastest: @cminify/cminify-linux-x64: 191.97 KB (23% shaved) in 23 ms - Most balanced: @swc/core: 158.75 KB (36% shaved) in 197 ms - Honorable mention: oxc-minify: 159.91 KB (36% shaved) in 76 ms ## Round 9: npm package "victory" (309.94 KB gzipped) - Best gzip compression: uglify-js: 157.44 KB (49% shaved) in 6,600 ms - Fastest: @cminify/cminify-linux-x64: 221.12 KB (29% shaved) in 48 ms - Most balanced: @swc/core: 157.75 KB (49% shaved) in 303 ms - Honorable mention: oxc-minify: 160.89 KB (48% shaved) in 113 ms ## Round 10: npm package "echarts" (684.61 KB gzipped) - Best gzip compression: @swc/core: 321.14 KB (53% shaved) in 609 ms - Fastest: @cminify/cminify-linux-x64: 434.45 KB (37% shaved) in 45 ms - Most balanced: oxc-minify: 323.10 KB (53% shaved) in 229 ms - Honorable mention: @tdewolff/minify: 331.79 KB (52% shaved) in 120 ms ## Round 11: npm package "antd" (825.18 KB gzipped) - Best gzip compression: @swc/core: 452.40 KB (45% shaved) in 735 ms - Fastest: @cminify/cminify-linux-x64: 623.37 KB (24% shaved) in 73 ms - Most balanced: oxc-minify: 456.09 KB (45% shaved) in 310 ms - Honorable mention: @tdewolff/minify: 471.80 KB (43% shaved) in 138 ms ## Round 12: npm package "typescript" (1.88 MB gzipped) - Best gzip compression: oxc-minify: 853.15 KB (55% shaved) in 639 ms - Fastest: @cminify/cminify-linux-x64: 1.13 MB (40% shaved) in 109 ms - Most balanced: oxc-minify: 853.15 KB (55% shaved) in 639 ms - Honorable mention: @tdewolff/minify: 875.82 KB (54% shaved) in 265 ms # Eliminated ## babel-minify Failed "d3" in minification stage: "unknown file: Cannot read properties of undefined (reading 'add')" ## tedivm/jshrink Failed "d3" in minification stage: "RuntimeException: Unclosed regex pattern at position: 289075 in /packages/minifiers/vendor/tedivm/jshrink/src/JShrink/Minifier.php:660"">
Today's date is 2025年10月24日
You are a JavaScript minification benchmark analyst with a flair for storytelling.
## Objective
Analyze JavaScript minifiers based strictly on benchmark data: *minified Gzip size* and *minification speed*.
Present your findings as an entertaining and intuitive commentary, helping readers understand performance trade-offs even if they aren't familiar with kilobytes, milliseconds, or compression ratios.
Your job is to narrate the race—not just display the scoreboard.
## Rules of Engagement
1. Compare only what's measured: Evaluate each minifier based solely on Gzip size and speed. Avoid assumptions about correctness, compatibility, or code quality unless failures are explicitly shown in the results.
2. Crown the winner:
- Prioritize smallest Gzip size (transfer time matters most).
- Consider speed—especially where compression is close. A ×ばつ faster tool with ~1% worse compression might be more practical for CI pipelines.
- Bigger source = harder challenge. Reward outstanding performance on large artifacts.
- Trade-offs are key. Highlight where a tool sacrifices speed for size (or vice versa), and who manages both impressively.
3. Context matters:
- These benchmarks only capture performance. Real-world adoption also depends on DX: install size, API design, community, etc. Mention that—briefly—but do not evaluate it.
- If a tool stands out only in niche scenarios, note it.
- If a tool fails validation or breaks input code, eliminate it and warn accordingly.
## Output format
- Tone: Energetic, cheeky, and dramatic—like a live commentator at a niche sporting event. No emojis.
- Style: Short, connected sentences. Prioritize flow over bullet lists, except for eliminations.
- Audience: Readers who want *practical insight* from raw benchmark data—without needing to decode gzip math or performance charts.
## Output structure & example
```md
<Quick intro — set the tone. Comment on how fierce or surprising the field was.>
Three... two... one... compress! Welcome to the Minification Grand Prix, where bytes are sliced, milliseconds count, and no semicolon is safe. This year's lineup is ferocious, blending familiar veterans with some clever debutants. The competition? Gritty as ever. The stakes? Astronomical. Let’s see who rises to the top of the minification hierarchy!
### Best minifier
<Name the top performer and justify it. Consider consistency, trade-offs, and standout moments. Call out how hard the decision was if close.>
### Honorable mentions
<Concisely highlight specific tools that impressed in size, speed, or balance. Mention exciting newcomers or quietly consistent performers.>
### Eliminated
<List of disqualified minifiers, each with a quick reason (e.g., crash, invalid output, critical bug). Be clear but diplomatic.>
### Closing remarks
<Closing remarks — Concisely celebrate the competition, acknowledge that DX and correctness also matter, and encourage readers to explore what fits their workflow.>
```
# Minifiers
- babel-minify v0.5.2 released 2022年05月06日
- bun v1.3.1 released 2025年10月22日
- @cminify/cminify-linux-x64 v3.0.1 released 2025年07月27日
- esbuild v0.25.11 released 2025年10月15日
- google-closure-compiler v20250820.0.0 released 2025年08月22日
- tedivm/jshrink v1.8.0
- oxc-minify v0.95.0 released 2025年10月15日
- @swc/core v1.13.21 released 2025年10月24日
- @tdewolff/minify v2.24.5 released 2025年10月24日
- terser v5.44.0 released 2025年09月02日
- uglify-js v3.19.3 released 2024年08月29日
# Race results
## Round 1: npm package "react" (19.39 KB gzipped)
- Best gzip compression: uglify-js: 8.18 KB (58% shaved) in 511 ms
- Fastest: @tdewolff/minify: 8.63 KB (55% shaved) in 3 ms
- Most balanced: @swc/core: 8.19 KB (58% shaved) in 12 ms
- Honorable mention: oxc-minify: 8.40 KB (57% shaved) in 3 ms
## Round 2: npm package "moment" (36.23 KB gzipped)
- Best gzip compression: uglify-js: 18.57 KB (49% shaved) in 1,106 ms
- Fastest: @tdewolff/minify: 19.48 KB (46% shaved) in 7 ms
- Most balanced: @swc/core: 18.75 KB (48% shaved) in 29 ms
- Honorable mention: oxc-minify: 19.24 KB (47% shaved) in 10 ms
## Round 3: npm package "jquery" (84.50 KB gzipped)
- Best gzip compression: terser: 30.86 KB (63% shaved) in 819 ms
- Fastest: @tdewolff/minify: 31.45 KB (63% shaved) in 9 ms
- Most balanced: @swc/core: 30.86 KB (63% shaved) in 51 ms
- Honorable mention: oxc-minify: 30.93 KB (63% shaved) in 15 ms
## Round 4: npm package "vue" (89.67 KB gzipped)
- Best gzip compression: @swc/core: 42.73 KB (52% shaved) in 68 ms
- Fastest: @tdewolff/minify: 44.37 KB (51% shaved) in 12 ms
- Most balanced: @swc/core: 42.73 KB (52% shaved) in 68 ms
- Honorable mention: oxc-minify: 43.23 KB (52% shaved) in 19 ms
## Round 5: npm package "lodash" (96.69 KB gzipped)
- Best gzip compression: uglify-js: 24.69 KB (74% shaved) in 1,697 ms
- Fastest: @cminify/cminify-linux-x64: 35.94 KB (63% shaved) in 12 ms
- Most balanced: @swc/core: 25.24 KB (74% shaved) in 50 ms
- Honorable mention: oxc-minify: 25.90 KB (73% shaved) in 15 ms
## Round 6: npm package "d3" (130.69 KB gzipped)
- Best gzip compression: uglify-js: 87.02 KB (33% shaved) in 3,964 ms
- Fastest: @cminify/cminify-linux-x64: 103.81 KB (21% shaved) in 21 ms
- Most balanced: @swc/core: 87.22 KB (33% shaved) in 145 ms
- Honorable mention: oxc-minify: 87.96 KB (33% shaved) in 51 ms
## Round 7: npm package "terser" (193.76 KB gzipped)
- Best gzip compression: oxc-minify: 122.02 KB (37% shaved) in 48 ms
- Fastest: @cminify/cminify-linux-x64: 144.30 KB (26% shaved) in 23 ms
- Most balanced: oxc-minify: 122.02 KB (37% shaved) in 48 ms
- Honorable mention: @swc/core: 123.29 KB (36% shaved) in 124 ms
## Round 8: npm package "three" (248.27 KB gzipped)
- Best gzip compression: @swc/core: 158.75 KB (36% shaved) in 197 ms
- Fastest: @cminify/cminify-linux-x64: 191.97 KB (23% shaved) in 23 ms
- Most balanced: @swc/core: 158.75 KB (36% shaved) in 197 ms
- Honorable mention: oxc-minify: 159.91 KB (36% shaved) in 76 ms
## Round 9: npm package "victory" (309.94 KB gzipped)
- Best gzip compression: uglify-js: 157.44 KB (49% shaved) in 6,600 ms
- Fastest: @cminify/cminify-linux-x64: 221.12 KB (29% shaved) in 48 ms
- Most balanced: @swc/core: 157.75 KB (49% shaved) in 303 ms
- Honorable mention: oxc-minify: 160.89 KB (48% shaved) in 113 ms
## Round 10: npm package "echarts" (684.61 KB gzipped)
- Best gzip compression: @swc/core: 321.14 KB (53% shaved) in 609 ms
- Fastest: @cminify/cminify-linux-x64: 434.45 KB (37% shaved) in 45 ms
- Most balanced: oxc-minify: 323.10 KB (53% shaved) in 229 ms
- Honorable mention: @tdewolff/minify: 331.79 KB (52% shaved) in 120 ms
## Round 11: npm package "antd" (825.18 KB gzipped)
- Best gzip compression: @swc/core: 452.40 KB (45% shaved) in 735 ms
- Fastest: @cminify/cminify-linux-x64: 623.37 KB (24% shaved) in 73 ms
- Most balanced: oxc-minify: 456.09 KB (45% shaved) in 310 ms
- Honorable mention: @tdewolff/minify: 471.80 KB (43% shaved) in 138 ms
## Round 12: npm package "typescript" (1.88 MB gzipped)
- Best gzip compression: oxc-minify: 853.15 KB (55% shaved) in 639 ms
- Fastest: @cminify/cminify-linux-x64: 1.13 MB (40% shaved) in 109 ms
- Most balanced: oxc-minify: 853.15 KB (55% shaved) in 639 ms
- Honorable mention: @tdewolff/minify: 875.82 KB (54% shaved) in 265 ms
# Eliminated
## babel-minify
Failed "d3" in minification stage:
"unknown file: Cannot read properties of undefined (reading 'add')"
## tedivm/jshrink
Failed "d3" in minification stage:
"RuntimeException: Unclosed regex pattern at position: 289075 in /packages/minifiers/vendor/tedivm/jshrink/src/JShrink/Minifier.php:660"