Essentials
Compress Image to 20 KB
Compress image files to strictly under 20 KB while preserving visual clarity. Perfect for government forms, job portals, avatar uploads, and strict file size limits. All compression runs locally on your machine with zero cloud uploads.
Features
- Automatic iterative encoding targeting 20 KB or less
- Lowers quality first and scales dimensions down only when quality alone can't reach the target
- Supports JPEG, PNG, WebP, and AVIF formats
- Live before and after file size comparison
- 100% private, self-hosted processing with no cloud uploads
What you can do
- Meet strict 20 KB application portal and government form upload limits
- Create lightweight profile photos and thumbnails under 20 KB
- Optimize small web icons and badges for ultra-fast load times
- Reduce attachment sizes to pass legacy form and portal validators
Self-hosted. Your files never leave your network.
SnapOtter runs entirely on your own infrastructure. Files processed with Compress Image to 20 KB are never uploaded to third-party servers. Deploy a single Docker container and process files with full privacy, no watermarks, and no usage limits. Open source under AGPL-3.0.
Frequently asked questions
- How do I compress an image to under 20 KB?
- Select or drop your image into the tool. SnapOtter automatically optimizes compression and quality parameters until the file size is 20 KB or lower.
- Will an image compressed to 20 KB look blurry?
- SnapOtter uses intelligent multi-pass compression to retain as much edge clarity and fidelity as possible within the 20 KB ceiling.
- Are my sensitive documents or photos uploaded to any third party?
- No. All processing happens entirely within your private SnapOtter instance. Your files never touch external servers.
Ready to try Compress Image to 20 KB?
Deploy SnapOtter in under a minute. All 254 tools included. Open source and free forever.