All JustVid tools and articles

Every video tool on JustVid - compress, trim, mute, convert, social presets, all in your browser.

Preset

Discord (free) - Auto-compress to fit Discord's 25 MB free attachment cap. Browser-only.
Discord Nitro - Auto-compress to fit Nitro Basic's 50 MB attachment cap.
Instagram Reel - 9:16 vertical, ≤ 90 s, up to 90 MB. H.264 baked in for upload reliability.
TikTok - 9:16 vertical, ≤ 3 min, H.264 / AAC. Up to 287 MB.
WhatsApp - Auto-compress to fit the 16 MB document cap (or ~100 MB media cap) without uploading.
WhatsApp Status - 60 s, vertical 9:16, ≤ 16 MB.
X (Twitter) - ≤ 140 s, ≤ 512 MB, H.264. Mobile-friendly bitrate baked in.
YouTube Shorts - 9:16 vertical, ≤ 60 s. Auto-fit 1080×1920 with H.264.

10 MB - Auto-tune bitrate so the output fits 10 MB. Useful for older email caps and Slack free.
25 MB - Auto-tune bitrate so the output fits 25 MB. Works for Gmail / Discord / ProtonMail.
Gmail - Auto-fit Gmail's 25 MB attachment cap. Drop a clip; browser-side ffmpeg shrinks it.
iCloud Mail - Auto-fit iCloud Mail's 20 MB cap. Larger files use Mail Drop; this fits below.
Outlook - Auto-fit Outlook's 20 MB attachment cap (web + desktop). Browser-side.
ProtonMail - Auto-fit ProtonMail's 25 MB attachment cap.

Compress video - General-purpose compress with quality slider. Drop a file, pick CRF, download.
Convert video format - Convert MP4 / MOV / WebM. Browser-only.
Extract audio (MP3) - Pull the audio track from a video and download as MP3.
Mute / remove audio - Strip the audio track from a video. Keeps original quality (stream copy).
Rotate or flip video - Rotate 90/180/270 degrees or flip horizontally / vertically. Useful for iPhone-portrait-saved-landscape pain.
Trim video - Cut a segment by start/end seconds, lossless (no re-encode).
Video to GIF - Drop a clip, pick FPS + width, download a GIF.