
VERT
On-device file converter running in WebAssembly.
15.3k stars 811 forks last commit first released AGPL-3.0
Actively maintained
Last commit 1 Jul 2026.

VERT is a file conversion utility that uses WebAssembly to convert files on your device instead of a cloud. Check out the live instance at vert.sh. VERT is built in Svelte and TypeScript.
Key Features
- Convert files directly on your device using WebAssembly
- No file size limits; supports 250+ formats
- Convert images, audio, documents, and video
- Conversion settings for format and quality control
- User-friendly interface built with Svelte
- Non-local video conversion is available via the official instance, while the daemon is easily self-hostable to maintain privacy and fully local functionality
Use Cases
- Offline batch conversions on a workstation or local server
- Self-hosted deployments using Docker for privacy and control
- Integration into local, cloud-free workflows for sensitive data
Conclusion: VERT delivers offline, privacy-preserving file conversion with a modern UI and Docker-ready deployment, suitable for developers and power users who need local processing.
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