Image
Compressor

Compress images to reduce file size while keeping visual quality. Adjustable quality with instant size comparison.

PNG, JPG, WebP, or AVIF. Multiple allowed.

Quality

80%

Lower quality = smaller file. PNG ignores this setting.

Output Format

Results

No Output

Upload images and compress to see results.

Learn more

What actually happens when you drag the quality slider?

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Frequently Asked Questions

Lossless compression removes metadata and redundant data without altering pixels, keeping quality identical. For JPEG and WebP, a quality setting of 80-85 typically reduces file size by 50-70 percent with no visible degradation.

WebP and AVIF generally produce the smallest file sizes at equivalent visual quality. AVIF can be 30-50 percent smaller than JPEG, but browser and tool support is still catching up.

Most platforms accept images up to 5-10 MB, but performance best practices recommend keeping web images under 200 KB. Social platforms like Instagram and Twitter re-compress uploads, so submitting optimized files at 1-2 MB is common.

Image Compressor - Compress Images Online | ToolsCanvas