Compress Image to Exact KB Size - Free Online Compressor

Compress images to exact file size in KB. Reduce image to 20KB, 50KB, 100KB, 200KB. Perfect for form uploads with strict size limits. No uploads, works offline.

Upload Images

Drop images here or click to browse

JPG, PNG, WebP supported

Target Size

Custom size (KB)

Output format

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Frequently Asked Questions

The tool uses intelligent quality adjustment to hit your target file size. It iteratively adjusts JPEG quality or PNG compression until the file size matches your target.

No. All compression happens locally in your browser. Your images never leave your device - 100% private and secure.

Depends on image dimensions and content. Complex images can't compress as small. If you need smaller, try reducing dimensions first.

Yes, to achieve smaller file sizes quality is reduced. The tool balances quality and size. Use the preview to check if quality is acceptable.

JPEG compresses photos best. PNG is better for graphics/text. WebP offers best compression but has less compatibility.

Yes! Add multiple images and compress them all with the same target size. Download individually or as a ZIP.

Some images can't compress further without severe quality loss. Try reducing dimensions, or accept a larger file size.

Government forms: 20-50KB. Email attachments: under 1MB. Social media: varies. This tool handles all common requirements.

Use the preview to check quality. For photos, 100-200KB often provides good quality. For graphics, try PNG format and adjust target size based on preview.

The tool will compress as much as possible, but very low targets may result in visible quality loss. Try reducing dimensions first for better results.

Compress Image to Exact KB Size - Free Online Compressor

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