FFmpeg Tools
Free tools for encoding, conversion, and video processing (14 total)
🎬 Video 7
Video Compressor
Compress video to H.264. Choose from High Quality, Balanced, or Small Size with a quality selector.
🔒 local Discord Video Compressor
Auto-compress video to fit Discord's upload cap (10MB/25MB/50MB/500MB). Bitrate math is handled for you.
🔒 local Video to GIF Converter
Set start, end, width, and FPS to convert any video clip to an animated GIF. Preview and download.
🔒 local Video Trim Tool
Set start and end time to cut your video. Preview the trim range visually. Outputs MP4.
🔒 local Video Format Converter
Convert between MP4, WebM, MOV, MKV, AVI, and GIF. Quality control included. Fully private.
🔒 local Thumbnail Extractor
Extract JPEG frames at any timestamp. Multi-frame support, JPEG quality, and output size options.
🔒 local SNS Video Resizer
Resize & crop video to any SNS format: TikTok, YouTube Shorts, Reels, Instagram, YouTube, X. Live crop preview. Browser-only, no upload.
🔒 local 🎵 Audio 2
🧮 Calculators 5
File Size Estimator
Estimate encoded file size from CRF value, resolution, codec, and duration. Supports H.264 and H.265.
Bitrate Calculator
Get recommended bitrates for your resolution and quality. Includes YouTube and Twitch reference values.
Timecode Converter
Convert between HH:MM:SS.mmm, total seconds, and frame numbers. Drop-frame support. Share via URL.
Aspect Ratio Calculator
Enter width or height and get the other dimension while maintaining ratio. Presets for 16:9, 4:3, 21:9.
Codec Compatibility Matrix
See which codecs work with which containers (MP4, MKV, MOV, WebM, AVI, etc.).
🔒 All video/audio tools use ffmpeg.wasm and process files locally — no upload.