free · no signup · stays on your device
convert anything.
never upload a byte.
Every conversion runs inside your browser — your files never leave your device. Click any tag to start, or drop a file below.
drop a file
we'll show you what it can become.
- converters
- 95converters
- categories
- 10categories
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by category
Image converters
33Convert between every common image format — JPG, PNG, WebP, AVIF, HEIC, SVG, TIFF and more. All conversions run in your browser.
browse →Document converters
15PDF, Word, Markdown and HTML conversions. Extract pages, change formats, OCR scanned PDFs — all without uploading.
browse →Video & audio converters
14Convert MP4, MOV, MKV, MP3, WAV, FLAC and more. Extract audio from video. Powered by FFmpeg compiled to WebAssembly.
browse →Spreadsheet converters
8Convert Excel, CSV, JSON, ODS and TSV files. Move data between formats without leaking it to a server.
browse →Data & code converters
6Convert JSON, YAML, XML, TOML and more. Base64 encode/decode. JWT decode. Everything in-browser.
browse →Archive converters
3Convert and extract ZIP, RAR, 7z, TAR and GZIP archives — all in your browser.
browse →Ebook converters
7Convert between EPUB, MOBI, AZW3 and PDF. Read on any device, in any reader app.
browse →Font converters
6Convert between TTF, OTF, WOFF and WOFF2. For web designers and developers.
browse →3D model converters
8Convert between STL, OBJ, GLB, glTF, FBX and PLY. For 3D printing, game development and AR/VR.
browse →Subtitle converters
3Convert between SRT, VTT, ASS and SSA subtitle formats for any video player.
browse →why we built this
your files never reach a server
Most online converters upload your file, convert it on their server, and ask you to trust them. We do it differently: the entire conversion runs inside your browser. The page loads, JavaScript runs on your machine, the converted file appears — and we never see anything. how it works →
