CompressYourVideo

- 100% browser-based — your file never leaves your device

- 2 GB max file size — accepts modern 4K phone footage

- 11 platform presets — WhatsApp, Discord, Gmail, Instagram, Instagram Story, TikTok, YouTube Shorts, Facebook, Twitter/X, LinkedIn, Telegram

- 15+ supported input formats — MP4, MOV, AVI, MKV, WebM, WMV, FLV, M4V, MPEG, MPG, 3GP, VOB, TS, M2TS, OGV

- 4 output formats — MP4, MOV, MKV, WebM

- Hardware-accelerated H.264 via WebCodecs on modern browsers (Chrome, Edge, Safari 17+)

- ffmpeg.wasm fallback for older browsers — still no upload

- Custom target size — pick any size from 1 MB to 2 GB

- Inline trim — cut start/end before compressing with a dual-handle slider

- Mute audio toggle

- Resolution control — auto, 480p, 720p, 1080p, 4K, or original

- Smart portrait/landscape handling — no unwanted letterboxing

- "Already optimal" detection — won't waste your time re-encoding a small file

- No signup, no watermark, no email required, no ads

- Available in 17 languages

- Works on iPhone, Android, Mac, Windows, Linux

- Send videos via WhatsApp — shrink any video to WhatsApp's 16 MB cap

- Share gaming clips on Discord — hit the 10 MB free-tier limit (or 500 MB Nitro)

- Email large video attachments — fit Gmail (25 MB), Outlook (20 MB), Yahoo (25 MB)

- Upload to Instagram Reels / TikTok — vertical 9:16 MP4 sized for mobile

- Post to YouTube Shorts — compress MKV / MOV / AVI sources to MP4

- Send 4K iPhone MOV footage to Windows or Android recipients — convert to MP4

- Compress browser screen recordings (Loom, Vimeo Record) — WebM → MP4 for iOS / Android

- Rescue legacy video files — convert obsolete FLV, WMV, M2TS, VOB to modern MP4

- Trim a long recording down to a highlight clip before sharing

- Send wedding or event videos via Telegram — fit the 2 GB free cap or 4 GB Premium

- Compress screen recordings for bug reports — keep text sharp at small sizes

- Share DVR or camcorder footage online — convert M2TS / VOB to shareable MP4

- Post to LinkedIn or Facebook — hit recommended specs without guessing bitrates

- Compress before uploading to Drive / Dropbox — save cloud-storage costs

- Prepare WhatsApp Status / Instagram Story — 60-second vertical clips at the right bitrate