Compress Video for Slack

Shrink for Slack uploads.

On-device. Instantly.

Drop your video here

or tap to browse

No upload
Works offline
No idea what's in your videos

Need to compress many videos? The offline bundle handles batch compression. $49 once.

Get Bundle →
// How it works

Three steps. Zero uploads.

01
Drop
Drop your video file. Any format accepted.
02
Compress
fwip optimises for Slack — smaller file, fast playback, compatible codec.
03
Download
Download the compressed video. Ready to upload to any Slack channel.
// Why this is different

Compress for Slack without uploading your video.

fwip compresses video entirely in your browser. Your work recordings, screen captures, and demos stay on your device — not on a third-party server.

fwip works differently. The processing engine runs entirely in your browser. Your video is read from your device, processed on your CPU, and the result is saved back to your device. No server is involved. We literally cannot see your file.

No server processing

Everything runs on your device using WebAssembly. Your file never touches a network.

No account required

Drop a file. Get a result. No sign-up, no email, no password.

No subscription

Free in the browser. $99 once for the offline bundle. That's it. Forever.

Works offline

The desktop version works with no internet connection at all.

Use it free in your browser. Own it offline for $15. Compress any video, anywhere.
// How fwip compares

fwip vs the rest.

fwipCloudConvertKapwingHandBrake
Upload requiredNoYesYesNo (desktop)
Account requiredNoFree tierYesNo
Price$15 / toolFree (25/day) / $9/mo ($108/yr)Free / $24/mo ($288/yr)Free (open source)
Files leave deviceNeverYesYesNo
Works offlineYesNoNoYes
Batch processingOffline bundleYesYesYes
// Questions

Frequently asked.

How do I compress a video for Slack?▾
Drop your video into fwip. It compresses to a size that uploads fast and plays smoothly in Slack. Download and upload directly.
Is my video uploaded?▾
No. Compression runs entirely in your browser using ffmpeg WebAssembly. Your video never leaves your device.
What is the Slack video size limit?▾
Slack free plans allow files up to 1GB. For fast playback in-channel, keep videos under 50MB. fwip targets smooth in-channel playback.
Does it convert to a Slack-compatible format?▾
Yes. fwip outputs MP4 (H.264) which plays natively in Slack without requiring a download.
Can I compress screen recordings for Slack?▾
Yes. Screen recordings (especially from Loom, Quicktime, or OBS) are often large and in non-standard codecs. fwip converts and compresses them to Slack-ready MP4.
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Like it? Own it.

Offline. No browser. No internet. No excuses.
$15
This tool
  • Compress Video for Slack · offline
  • Batch processing
  • No file size limit
  • 3 devices · one payment
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$49
Video bundle
  • All video tools · offline
  • Batch processing
  • No file size limit
  • 3 devices · one payment
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$99
Complete suite
  • All 200+ tools · offline
  • No file size limit
  • No daily use limit
  • 3 devices · one payment · updates included
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One-time payment · 3 devices · Updates included · Mac + Windows + Linux