Compress Image to 100 KB
Automatically shrink image file size to under 100 KB using iterative binary-search compression.
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How to Use Compress Image to 100 KB
- 1Select or drop your photo file.
- 2PixelLocal executes a bounded binary-search quality tuning loop in client RAM.
- 3If quality alone cannot reach 100 KB, proportional dimension scaling is applied.
- 4Download your image guaranteed under 100 KB.
Technical Specifications & Capabilities
| Input Formats | JPG, JPEG, PNG, WebP |
|---|---|
| Output Format | JPG |
| Transparency Support | Flattened (Composited on white for 100 KB JPEG output) |
| Compression Type | Iterative Bounded Binary Search (Quality + Dimension Scaling) |
| Processing Engine | Browser HTML5 Canvas + Bounded Binary Engine |
| Max File Size Limit | 25 MB per file limit |
| Max Pixel Boundary | 50 Megapixels maximum boundary |
Common Use Cases
- •Uploading passport, visa, or job application photos with strict 100 KB limits.
- •Submitting student portal documents and scanned forms.
- •Attaching photos to email systems with stringent size filters.
Zero Upload Privacy Architecture
PixelLocal operates entirely within your browser memory. When you select a photo, your browser decodes and processes the pixel data locally using HTML5 Canvas and WebAssembly. Your files are never transmitted over the internet, logged, or stored on remote servers.
Troubleshooting & Known Limitations
- ⚠️If the output status says "Best effort", the file was reduced as close to 100 KB as visually feasible.
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Frequently Asked Questions
How does PixelLocal achieve exact 100 KB target file sizes?
Our algorithm uses an iterative binary search loop, testing multiple compression levels and proportional dimension scaling until the file size fits under 100 KB.