Alternatives
Products that do what Convertastic does
Free online file converter for all formats – fast & easy
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Hi everyone, I build some "online" converters as a side project in the last weeks. The difference to existing conversion websites is, that my converters don't upload your files. Everything happens in your browser on your device (with the help of a lot of great Open Source Javascript libraries). I think privacy is an essential feature for a service like this, so my converters also don't use google analytics or any other form of tracking (in fact they use no external resources at all). I started this because I ended up with some .heic files from my iPhone and had to use ImageMagick every time…
2022 · png.to-pdf.net
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TL;DR: private, in-browser converter that turns pretty much any image file format into standard JPEGs. Everything runs locally. No uploads. This started as a five-minute job and forty hours later... I wanted to convert a HEIC without uploading it anywhere, so I wrestled Emscripten/WebAssembly to run Google's Jpegli inside a Web Worker. Now there's a small UI and it handles a bunch of formats. Just about the only thing it can't decode is JXL - but there's still some JPEG XL magic in there: XYB perceptual color quantization is enabled by default via Jpegli. The upside of all this…
Oct 2025 · onlyjpg.com
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Free online pdf, word & excel tools
Dec 2025 · pdfconverterpro2.com
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👉 Convert any file in seconds – fast, free & no signup
Apr 2026 · onlineconvertfile.com
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Free online file converter images, svg, audio. No signup.
Mar 2026 · fileconverttool.com
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Free File Converter – Convert PDF, Images & Video Files
26d ago · freefileconverter.site
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Convert PDFs, images, audio & video auto-deleted in 1 hour
Jul 2026 · zapconvert.net
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