Uncompress ["string"]
recovers an expression from a compressed string representation generated by Compress .
Uncompress ["string",h]
wraps the head h around the expression produced before evaluating it.
Uncompress
Uncompress ["string"]
recovers an expression from a compressed string representation generated by Compress .
Uncompress ["string",h]
wraps the head h around the expression produced before evaluating it.
Examples
open all close allBasic Examples (1)
Compress a general expression:
Uncompress it:
Scope (1)
Compress an unevaluated sum:
Uncompress of the compressed string gives the result of the sum:
Wrap the result of decompression in Hold to prevent the evaluation:
See Also
Compress ByteCount ExtractArchive ImportString ToExpression BaseDecode
Function Repository: HuffmanDecode
Related Guides
Text
Wolfram Research (2007), Uncompress, Wolfram Language function, https://reference.wolfram.com/language/ref/Uncompress.html (updated 2008).
CMS
Wolfram Language. 2007. "Uncompress." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2008. https://reference.wolfram.com/language/ref/Uncompress.html.
APA
Wolfram Language. (2007). Uncompress. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Uncompress.html
BibTeX
@misc{reference.wolfram_2025_uncompress, author="Wolfram Research", title="{Uncompress}", year="2008", howpublished="\url{https://reference.wolfram.com/language/ref/Uncompress.html}", note=[Accessed: 05-December-2025]}
BibLaTeX
@online{reference.wolfram_2025_uncompress, organization={Wolfram Research}, title={Uncompress}, year={2008}, url={https://reference.wolfram.com/language/ref/Uncompress.html}, note=[Accessed: 05-December-2025]}