TransmuteOpen Converter100% client-side, forever free
Convert anything to everything
Drop images, docs, audio, video, or data files — get instant conversions right in your browser. No uploads. No accounts. No limits. Open source
🖼
.PNG→.WebP
Live Preview
Watch files transform in real time
🖼
.PNG⚡
✨
.WebPFormats
Every format you need
70+ file formats. Drop anything in, get anything out.
Transmute›Converting
Name
Size
Status
🖼
vacation-photo.heic2.4 MB
queued
📄
quarterly-report.docx1.8 MB
queued
🎵
podcast-episode.flac48 MB
queued
📊
user-analytics.csv340 KB
queued
🎬
screen-recording.mov126 MB
queued
🎨
hero-banner.psd18.4 MB
queued
6 items
0 of 6 converted
11 Images
8 Documents
11 Audio/Video
14 Data/Fonts
70+ formats supported — and counting
How it works
Three steps. That's it.
Drop files, pick a format, download. See it in action.
transmute.ing
Privacy First
Your files stay yours
Every conversion happens entirely in your browser using WebAssembly and Canvas APIs. No file ever touches a server. No data is collected. No account needed.
🔒
No uploads
Files stay on your device
🚫
No servers
Zero network requests
👀
No tracking
No analytics or cookies
♾️
No limits
Unlimited file size & count
Terminal Lovers (in early Alpha)
Prefer the command line?
A full interactive TUI. Navigate files, pick formats, and batch convert without leaving your terminal. (May not work)
transmute ./photos/
transmutebeta6 files · 5 selected
? help────────────────────────────────────────────────────────────────────────────────
Name
Convert to
Status
>
●
🖼HEICvacation-photo.heic
< webp >
idle
●
📄DOCXquarterly-report.docx
pdf
idle
●
🎵FLACpodcast-episode.flac
mp3
idle
●
📊CSVuser-analytics.csv
json
idle
●
🎬MOVscreen-recording.mov
mp4
idle
○
🔤TTFbrand-font.ttf
woff2
idle
────────────────────────────────────────────────────────────────────────────────
Convert 5 files [c]↑↓ nav ←→ fmt spc sel q quit
$curl -fsSL https://raw.githubusercontent.com/noauf/Transmute/main/install.sh | sh
Interactive TUIGlob patternsBatch convertAuto-downloads ffmpegSelf-update70+ formats