KonvrtKonvrt
Local-First File Engine

Convert Anything.
Locally.

No subscriptions. No cloud-processing delays. Local-first precision file conversion powered by high-performance WASM architecture.

Files Never Leave Your Device

PNG → WEBP

Converting... 67%

Input
24.8 MB
Output
18.2 MB
Engine
WASM
Why Konvrt

Built different

100% Private

Files are processed entirely in your browser via WebAssembly. Nothing is uploaded anywhere, ever.

Instant Conversion

No upload wait. No server queue. Conversion starts immediately using your device's own processing power.

No Sign-Up Required

Start converting immediately. No account needed for basic conversions. No email harvesting.

No File Size Limits

Your files are limited only by your device's available memory — no artificial server-side caps.

Batch Processing

Process up to 100 images at once. Resize, compress, convert — all in your browser.

Cloud Video Processing

Compress and convert videos server-side with FFmpeg. Pro users get cloud processing for files up to 2GB.

Developer API

Integrate media processing into your apps. REST API with webhooks, credit-based billing, and full documentation.

One-Time Purchase

No subscriptions. Pay once for Pro ($19) and own it forever. No recurring charges.

Ready to Accelerate?

No sign-up required. Access the engine instantly.