Convert files without uploading them.
FileForge runs every conversion in your browser. Open DevTools and watch the Network tab. Your files never leave your device.
Drop any file
Drop any file to auto-pick a converter
Files stay on your device. Nothing uploads.
Popular conversions
The three converters most people come here for.
HEIC to JPG
Drop a HEIC file. Get a JPG. Your photo never travels to a server. Open DevTools and watch the Network tab to confirm.
MP4 to MP3
Drop an MP4 video. Get an MP3 of its audio track. Conversion runs in your tab. Big files do not need to upload anywhere.
PDF to JPG
Drop a PDF. Get its pages as JPG images. Rendering runs in your tab via Mozilla pdf.js.
All converters
Every conversion runs in your browser. Each page lists its inputs, outputs, and rough memory cost so you know what to expect.
Images (6)
HEIC to JPG
Drop a HEIC file. Get a JPG. Your photo never travels to a server. Open DevTools and watch the Network tab to confirm.
WebP to PNG
Drop a WebP file. Get a PNG. The conversion runs in your tab, not on our servers. Verify it yourself in DevTools.
PNG to WebP
Drop a PNG. Get a smaller WebP. Conversion runs in your tab. Open DevTools and watch the Network tab to verify.
WebP to JPG
Drop a WebP file. Get a JPG. Conversion runs in your tab. Open DevTools and watch the Network tab to confirm nothing leaves.
AVIF to JPG
Drop an AVIF file. Get a JPG. Modern browsers decode AVIF natively; the conversion stays in your tab.
JPG to AVIF
Drop a JPG. Get an AVIF up to 50% smaller. The encoder runs in your tab and is SHA-256 pinned.