Got 10GB of Images?
Compress It Offline in Minutes.
Stop waiting for uploads. FastCompressor runs 100% locally on your computer. Secure, private, and faster than any online tool.
v1.0.0 • macOS, Windows & Linux
Online Image Compressor
Fast, secure, and stays on your device. Zero uploads required.
Choose images to compress
Drag & drop or click to browse (JPG, PNG, WebP)
High quality = larger files. Lower quality = smaller files.
Online tools slow you down.
Friction at every step. Why wait for uploads when you have a powerful computer?
Upload images to unknown servers
Privacy risks. Data leaks. Hidden copies.
Slow compression and long waits
Queue times. Upload bars. Spinner fatigue.
File size and daily limits
5MB max? 20 files/day? Paywalls?
FastCompressor keeps everything local.
A private, offline-first image compressor built for native speed and reliability.
Instant compression. No waiting.
Drag. Drop. Done. 100 images in seconds.
Runs 100% on your device
No internet needed. Works on planes, trains, anywhere.
Private by design — no uploads
Your photos never leave your computer. Zero risk.
Powerful Features, Simple Interface
Everything you need to optimize images without the complexity
Smart Compression
Intelligent algorithms reduce file size without noticeable quality loss.
Typical 75% size reduction
Batch Processing
Compress entire folders at once with drag & drop simplicity.
Advanced Controls
Precise quality settings, resizing, and watermark options.
Designed for real workflows
FastCompressor adapts to creators, designers, and developers.
Graphic Designers
Resize & watermark portfolios instantly
Content Creators
Shrink images for YouTube thumbnails, blogs
Web Developers
Optimize site performance in seconds
Social Media Teams
Resize for every platform without quality loss
Your Files. Your Computer.
Your Control.
Unlike online tools, we never send your files to a server. Your images remain local — perfect for sensitive client work, unreleased designs, or personal photos you care about.
Everything You'll Ever Need
Useful for everyone. Not just pros.
Pay once. Use forever. All future features included.
- Requires uploads and trust in third-party servers
- Limits on file size and daily usage
- Slower compression during peak traffic
- Works fully offline — nothing leaves your device
- No limits on file size or daily usage
- Consistent speed and quality every time
Unlock the Full Experience
- ✓ Unlimited Image Compression
- ✓ Batch Processing
- ✓ Auto Optimization Presets
- ✓ Works Offline - Yours for Life
- ✓ All Future Features Included
“We cut product image sizes by 78% without any quality drop. The offline workflow is a game changer.”
Maya R., eCommerce Designer
Or keep using the free version — upgrade only if you love it.
Frequently Asked Questions
Answers to the most common questions about our tool
How does offline compression work?
Offline compression ensures your files are processed directly on your device using advanced algorithms. This means no data is uploaded or stored on external servers, guaranteeing your privacy.
Is it safe to use for sensitive files?
Absolutely! Since the tool works entirely offline, your files never leave your device, ensuring full security and privacy.
Does it support batch processing?
Yes! You can drag and drop multiple images or entire folders for simultaneous processing, saving you time and effort.
Ready to Compress Smarter?
Join hundreds ditching slow tools for instant, private image compression—offline.