Offline Bulk Image Compression for
Developers & Agencies
Compress hundreds of images in seconds — without uploading them anywhere. Keep your client assets private and your workflow local.
No subscription. One-time upgrade available.
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 are the bottleneck in your workflow.
Waiting for uploads is a waste of time. Your computer has the power — use it to optimize images instantly.
Slow uploads and data privacy risks
Don't put your client's unreleased assets on a 3rd party server.
Queue times and API fatigue
Stop managing API keys or waiting for external servers to finish.
Arbitrary limitations and subscriptions
Unlimited bulk processing shouldn't require a monthly fee.
FastCompressor keeps your workflow native.
A private, offline-first image compressor built to handle hundreds of images at once using your computer's native power.
Native speed. Zero upload time.
Drag. Drop. Done. Process 100+ images in seconds without waiting for a server.
Works 100% offline.
No internet needed. Perfect for secure client environments, planes, or remote work.
Privacy first — no cloud uploads
Your assets never leave your computer. Zero risk of data leaks or privacy breaches.
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.
One Tool. One Payment. Lifetime Access.
Start for free. Upgrade only when you need unlimited power.
| Feature | Free | Pro |
|---|---|---|
| Bulk Compression | Up to 20 images / session | Unlimited |
| Local Processing | Yes | Yes |
| Privacy First | Yes | Yes |
| Quality Control | Basic Slider | Advanced Presets |
| Folder Watch Mode | No | Included |
| Metadata Removal | Manual | Batch Export Presets |
| Updates | Standard | Priority Lifetime Updates |
Unlock the Pro Workflow
Upgrade once and enjoy unlimited offline compression forever. No recurring fees, no hidden costs.
Or Download the Free Version and upgrade only when you love it.
Frequently Asked Questions
Answers to the most common questions about our tool
Is it really 100% offline?
Yes. FastCompressor performs all operations on your local CPU/GPU. It doesn't even need an internet connection to function. Your images never leave your machine.
Why use this over online tools?
Online tools are slow, limit file sizes, and pose a privacy risk. FastCompressor is built for bulk workflows—compressing hundreds or thousands of assets instantly without waiting for any server.
What happens after the free limit?
You can continue using the app for free! You'll just be limited to 20 images per session. To unlock unlimited bulk processing a one-time upgrade is available.
Does it support batch processing?
Yes! You can drag and drop multiple images or entire folders for simultaneous processing, saving you time and effort.
Stop waiting for uploads.
Join developers and agencies ditching slow cloud tools for the fastest offline image compressor. Ready to optimize your workflow?