TransmuteTransmuteOpen Converter
100% client-side, forever free

Convert anything to everything

Drop images, docs, audio, video, or data files β€” get instant conversions right in your browser. No uploads. No accounts. No limits. Open source

πŸ–Ό
.PNG→.WebP
Live Preview

Watch files transform in real time

πŸ–Ό
.PNG
⚑
✨
.WebP
Formats

Every format you need

70+ file formats. Drop anything in, get anything out.

Transmuteβ€ΊConverting
Name
Size
Status
πŸ–Ό
vacation-photo.heic
2.4 MB
queued
πŸ“„
quarterly-report.docx
1.8 MB
queued
🎡
podcast-episode.flac
48 MB
queued
πŸ“Š
user-analytics.csv
340 KB
queued
🎬
screen-recording.mov
126 MB
queued
🎨
hero-banner.psd
18.4 MB
queued
6 items
0 of 6 converted
11 Images
8 Documents
11 Audio/Video
14 Data/Fonts

70+ formats supported β€” and counting

How it works

Three steps. That's it.

Drop files, pick a format, download. See it in action.

transmute.ing
Tutorial showing how to convert files with Transmute
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.

πŸ”’
No uploads
Files stay on your device
🚫
No servers
Zero network requests
πŸ‘€
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 Β· 5 selected
? help
────────────────────────────────────────────────────────────────────────────────
Name
Convert to
Status
>
●
πŸ–ΌHEICvacation-photo.heic
< webp >
idle
●
πŸ“„DOCXquarterly-report.docx
pdf
idle
●
🎡FLACpodcast-episode.flac
mp3
idle
●
πŸ“ŠCSVuser-analytics.csv
json
idle
●
🎬MOVscreen-recording.mov
mp4
idle
β—‹
πŸ”€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

Ready to transmute?

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