Why CompressFast?
Browser-based. Files never uploaded.
Local · No Upload
PNG/JPEG/WebP
Batch
Why CompressFast?
100% Local
Browser-based compression. Files never uploaded. Works offline.
8+ Formats
PNG, JPEG, WebP, AVIF, GIF, BMP, SVG, HEIC — all supported.
Batch Processing
30 images free, 500 with Pro. Compress all in one click.
Advanced Editing
Resize, watermark, format convert, batch rename, EXIF removal.
3 Easy Steps
Add Images
Drag, click or paste
Compress
Local browser processing
Download
Single or ZIP
Can you tell the difference?
Original vs compressed — barely any visual difference
FAQ
Are images uploaded?
No. All local.
Batch compression limits?
Free: 20/batch. Pro: 500/batch. Max file size: 10MB free, 50MB Pro.
Will it reduce quality?
You control quality (0-100). Above 90% the difference is barely visible. Lossless mode also available.
Does it work on mobile?
Yes! Fully responsive design works on phone, tablet, and desktop with touch support.
Start Compressing
Free, no sign-up required