CompressEasy - Free Online Video, Image & PDF Compressor (No Upload)
Compress video, images and PDF for free without uploading anything. Shrink MP4 and MOV by 50–80% in your browser with WebCodecs, compress JPG, PNG, WebP and AVIF in batch, and handle PDF or files over 200 MB with the free desktop app.
Free online compressor for video (MP4, MOV, WebM, MKV), images (JPG, PNG, WebP, AVIF, JXL) and PDF. Runs in your browser with no upload.
All compression tools
Compress video
Compress by format
Compress to a target size
Compress PDF
Compress PowerPoint
From the blog
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- WebP vs JPEG vs AVIF: Which Image Format Should You Use?
- The Best Image Format for the Web in 2026
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- How to Compress Video Without Losing Quality
- How to Compress a PDF Without Losing Quality (and Keep It Private)
- How to Reduce PowerPoint File Size
- The Best Free Offline File Compressor in 2026
- How to Compress a Video to Send by Email
- Why Local Compression Is More Private Than Online Tools
- H.264 vs H.265: Which Should You Use to Compress Video?
- File Compression Explained: Images vs Video vs PDF
Frequently asked questions
How does CompressEasy compress video without uploading it?
It uses the WebCodecs API built into Chrome, Edge and Safari to decode, resize and re-encode video with your device’s hardware encoder. The file never leaves your browser tab. Videos up to 200 MB are handled online; larger files open in the free desktop app.
Which file types can I compress?
Video: MP4, MOV, WebM and MKV, output as H.264 MP4. Images: JPG, PNG, WebP, AVIF and JXL, with format conversion. PDF and PowerPoint are compressed offline by the free desktop app.
Is it really private and free?
Yes. Video and image compression run entirely in your browser, so nothing is uploaded. The free plan includes a daily allowance and the desktop app is free for videos over 200 MB.