# GifConvert — Complete Documentation > Video and image to GIF converter — 100% client-side using ffmpeg.wasm. ## About GifConvert is a browser-based GIF creation tool powered by ffmpeg.wasm. All processing happens locally — your files never leave your device. ## Supported Input Formats - **Video** — MP4, WebM, MOV, AVI, MKV, and more - **Images** — PNG, JPG, WebP for animated GIF creation ## Key Features - Client-side processing with ffmpeg.wasm - No file uploads — complete privacy - Video trimming and clipping - Custom output resolution and frame rate - Quality and file size optimization - Free, no signup required ## Privacy All conversion happens in your browser using WebAssembly. No files are sent to any server. ## Links - Homepage: https://gifconvert.io ## Contact - Website: https://gifconvert.io