Transmute

A privacy-focused, self-hosted file converter with a clean web UI. Supports over 2000 conversions across images, video, audio, documents, spreadsheets, subtitles, and fonts. All processing happens on your server — no files leave your infrastructure.

What You Can Do After Deployment

1. Open your domain — log in with the default admin account
2. Upload files — drag and drop or browse to select files
3. Pick a target format — choose from 100+ supported output formats
4. Convert — processing runs locally on the server
5. Download — grab the converted file from the web UI

Supported Categories

• Images — PNG, JPEG, WebP, AVIF, SVG, TIFF, BMP, ICO, and more
• Video — MP4, WebM, AVI, MKV, MOV, GIF
• Audio — MP3, WAV, FLAC, OGG, AAC, M4A
• Documents — PDF, DOCX, ODT, RTF, TXT, HTML, Markdown
• Spreadsheets — XLSX, CSV, ODS, TSV
• Subtitles — SRT, VTT, ASS, SSA
• Fonts — TTF, OTF, WOFF, WOFF2

License

MIT — GitHub