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Video Compressors

Reduce video file size up to 80% — free, fast, no signup. Powered by FFmpeg H.264.

4 free tools ✓ No registration ✓ Show % saved

Why Use ConversionFree for Videos

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H.264 Encoding

Uses libx264 with CRF 28 — the industry standard for small files with good quality.

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Email-Ready

Get videos under Gmail's 25 MB attachment limit in seconds.

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WhatsApp Friendly

Compress videos for WhatsApp, Telegram, and social media sharing.

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Fast Processing

Powered by FFmpeg — the same engine used by YouTube and Netflix.

All Video Compressors

Pick your format below.

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Compress MP4

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Compress AVI

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Compress MOV

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Compress MKV

About Video Compression

Video compression re-encodes video at a lower bitrate, dramatically reducing file size while keeping visual quality acceptable. Our tool uses H.264 (libx264) with CRF 28 — the same setting professional video editors use for web delivery.

Email Attachments

Gmail caps attachments at 25 MB. Compress your video to fit.

Cloud Storage

Save space on Google Drive, iCloud, or Dropbox by compressing.

Social Sharing

Faster uploads to WhatsApp, Instagram, YouTube, and Telegram.

Preserves Format

MP4 stays MP4, MOV stays MOV. No conversion, just smaller size.

Explore Other Categories

Audio Compressors Image Compressors PDF Compressors Video Converters Audio Converters All Compressors

Frequently Asked Questions

How much smaller can videos get?+
Typically 50-80% smaller than the source. Depends on the input bitrate and resolution.
Will the video quality drop?+
Slight, but CRF 28 is designed to be visually transparent at typical viewing sizes.
What formats are supported?+
MP4, AVI, MOV, and MKV.
How long does compression take?+
A 100 MB video usually takes 30-60 seconds on our server.
Is video compression free?+
Yes — completely free, no signup, no watermark.

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