Re: C'est moi ou...

Mais si tu peux charger !
Tu ouvre le logiciel et click sur le bouton <svg> puis tu colle les sources de ton ancien svg.

A titre d'exemple, je viens de modéliser mon chat avec un haut niveau de détail, tu peux essayer :

<svg width="800" height="600" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
<title>Mon chat</title>
<g>
<title>Calque 1</title>
<path d="m352.28488,284.88916l-7,-86.99998l3,-14l9,-7l13,4l9,12l57.58234,60.7854l-84.58234,31.21458z" fill="#0000ff" stroke="#001f7c" stroke-width="5" id="svg_3" transform="rotate(61.3895, 391.075, 230.89)"/>
<ellipse cx="293.00001" cy="322" id="svg_1" fill="#0000ff" stroke="#001f7c" stroke-width="5" rx="112" ry="112" transform="rotate(46.8648, 293, 322)"/>
<path d="m187.74254,260.83316l0.6329,-92.04916l3,-14l9,-7l13,4l9,12l54.04103,54.22487l-88.6739,42.82423z" id="svg_2" fill="#0000ff" stroke="#001f7c" stroke-width="5" transform="rotate(-8.88066, 232.078, 204.309)"/>
<ellipse cx="296" cy="285" id="svg_8" fill="#0000ff" stroke="#001f7c" stroke-width="5" rx="32" ry="30"/>
<ellipse cx="294" cy="284" fill="#0000ff" stroke="#001f7c" stroke-width="5" rx="4" ry="28" id="svg_7"/>
<ellipse cx="360" cy="287" fill="#0000ff" stroke="#001f7c" stroke-width="5" rx="32" ry="30" id="svg_9"/>
<ellipse cx="358" cy="286" id="svg_6" fill="#0000ff" stroke="#001f7c" stroke-width="5" rx="4" ry="28"/>
<path stroke-width="5" stroke="#002170" fill="#0000ff" id="svg_4" d="m380,342l-23,37l-9,16l-20,8l-11,-1l-16,0l-19,-1l-10,-8l-6,-14l-4,-15l-3,-12l-1,-12l9,-6l10,1l11,6l9,2l9,0l20,0l11,-1l20,0l17,-13"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_11" y2="341" x2="380" y1="329" x1="375"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_12" y2="366" x2="356" y1="341" x1="362"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_13" y2="354" x2="352" y1="366" x1="356"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_14" y2="354" x2="319" y1="354" x1="352"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_15" y2="353" x2="301" y1="354" x1="319"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_16" y2="361" x2="298" y1="353" x1="301"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_17" y2="349" x2="290" y1="361" x1="298"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_18" y2="338" x2="262" y1="349" x1="290"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_19" y2="379" x2="280" y1="362" x1="260"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_20" y2="384" x2="287" y1="379" x1="280"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_21" y2="370" x2="288" y1="386" x1="286"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_22" y2="382" x2="292" y1="370" x1="288"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_23" y2="385" x2="337" y1="382" x1="292"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_24" y2="379" x2="337" y1="385" x1="337"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_25" y2="369" x2="342" y1="395" x1="347"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_26" y2="356" x2="315" y1="369" x1="342"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_27" y2="363" x2="320" y1="382" x1="337"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_28" y2="354" x2="301" y1="363" x1="320"/>
<line fill="none" stroke-width="5" stroke="#002170" id="svg_29" y2="361" x2="292" y1="345" x1="275"/>
</g>
</svg>

Pour les curieux, ça donne ça (désolé pour la mise en page :)):

data:image/svg+xml;base64,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

Il déchire ce logiciel :)