Offline Image Compressor
Disconnect from the internet and keep working. Compress and convert JPEGs, PNGs, WebPs, AVIFs, and SVGs entirely in your browser with zero server uploads.
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Platform Preset Details
Recommended settings for your file.
Preset Active
Drag & drop files here, or click to browse
Supports PNG, JPG, WebP, AVIF, SVG, and GIF (static). Fully secure, runs 100% locally.
0 Files Queue
Global Presets
Set compression profile for all queued files.
Quality level 80%
Max Compress Balanced Max Quality
KB
Total Original: 0 KB
Total Optimized: 0 KB
Combined Savings: -0%
Compare Visual Quality
Original: -- | Compressed: --
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How is offline compression possible?
Once you visit CompressNeo, the complete script bundle loads in your browser. All compression logic is run via local JavaScript Web Workers on your CPU.
Why this is a key security USP:
- No servers involved = Zero data leakage risk.
- Fully compliant with corporate data protection policies.
- Perfect for optimizing sensitive customer documents or internal screenshots.
Performant Hardware Execution:
- Parallel threads avoid browser tab freezing.
- Leverages your system's hardware graphics acceleration via Canvas rendering.
- Instant response times without waiting for uploads.