Result will appear here.
Tune brightness, contrast and saturation in your browser.
Brightness & Contrast Adjuster adjusts brightness, contrast and saturation.
0–300% each; 100% unchanged.
PNG/JPG/WebP; PNG/WebP can preserve transparency only when source alpha exists and Transparent background is selected.
Everything runs in your browser on a canvas — your image is never uploaded. Browser canvas export strips EXIF, GPS, and most other source metadata.
Brightness & Contrast Adjuster adjusts brightness, contrast, and saturation on a browser canvas. Everything runs in your browser on a canvas — your image is never uploaded. Each control is validated to a safe 0–300% range so tampered values cannot break the output.
Use it to fix dark or flat photos. PNG and WebP output can preserve transparency when the source has an alpha channel and Background is set to Transparent; JPG output is flattened onto your chosen fill colour (JPG cannot store transparency).
Brightness & Contrast Adjuster shows the exact adjustments applied, the output dimensions, the output format, and the file size. Browser canvas export strips EXIF, GPS, and most other source metadata. Animated GIFs are processed as a single still frame; animation is not preserved.
Brightness, contrast, and saturation.
0–300% so values can not break output.
PNG/WebP can preserve transparency only when source alpha exists and Transparent background is selected; JPG flattens.
Everything runs in your browser on a canvas — your image is never uploaded.
Rescue dark or washed-out photos.
Boost contrast and saturation.
Reduce saturation for a muted look.
Quick colour correction before posting.
Brightness, contrast, and saturation, each from 0% to 300%. 100% leaves a setting unchanged; 0% saturation gives greyscale.
Only for JPG output, which cannot store transparency and is filled with your chosen colour. PNG and WebP output can keep transparency when the source has an alpha channel and Background is set to Transparent.
Yes — save your adjusted image as PNG, JPG, WebP, or same-as-input; JPG and WebP add a quality control.
No — Brightness & Contrast Adjuster adjusts your image in your browser on a canvas; nothing is uploaded.
Tools that pair well with Brightness & Contrast Adjuster.