1.C4illin / ConvertX💾 Self-hosted online file converter. Supports 1000+ formats ⚙️bunelysiafile-conversionfile-convertertypescriptself-hosted+7 moreTypeScriptAGPL-3.019K total1.1K forks+2,794 starsfrom 16,482 · score 7.94
2.VERT-sh / VERTThe next-generation file converter. Open source, fully local* and free forever.conversionffmpegwasmsveltesveltekitimagemagick+2 moreTypeScriptAGPL-3.016K total862 forks+1,612 starsfrom 14,582 · score 7.39
3.vercel / msTiny millisecond conversion utilitymillisecondsconversionutilityTypeScriptMIT5.6K total346 forks+59 starsfrom 5,500 · score 4.09