Compress video for Slack
Slack free plan limits file uploads to 5MB. Paid plans allow up to 1GB. Whatever your limit, smaller videos upload faster and preview better. Compress your video for Slack directly in your browser.
Drop a video here or click to browse
MP4 · MOV · WebM · AVI · MKV · GIF — processed entirely in your browserFile—
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Loading FFmpeg…
✅ Compression complete
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Slack file upload limits
- Slack Free: 5MB total storage limit (files expire after 90 days)
- Slack Pro: 10GB file storage per member
- Slack Business+: Unlimited file storage
For Slack Free users, keeping videos under 5MB is essential. Even on paid Slack, small videos upload instantly and don't clog team storage.
Frequently asked questions
What is the Slack video file size limit?
Slack Free: 5MB per file. Slack Pro and above: up to 1GB per file. For best performance on any plan, keep videos under 25MB.
Related tools
Need audio tools?
AudioTools.space — Free browser-based audio editing. Trim, merge, convert, normalize, remove silence — no upload required.
Need subtitle tools?
SubtitleTools.space — Edit SRT files, fix timing, convert VTT to SRT, and more — all in your browser.