Auto Levels for Photos
Restore tonal range with automatic per-channel histogram stretching.
Drop your image here
Drag and drop, or choose a file below
JPG · PNG · WEBP
Up to 250 MB · One image at a time
Each image: up to 16 megapixels and 8192 px per side
Clipping can remove highlight or shadow detail and shift colors. Use zero clipping for the full observed range and compare the result.
Original
Choose an image or try the sample to see your preview here.
100% local processing
How to use
- 01
Choose an image or try the local sample.
- 02
Set the clipping percentage for each tail and the correction strength.
- 03
Review the result and download the file.
Details and tips
How it works
Alpha-weighted RGB histograms select black and white endpoints independently. Each nonconstant channel is stretched to the full range; transparent pixels are excluded.
Made for everyday images
Improve faded photos, low-contrast product shots and scans.
Frequently asked questions
Are images uploaded?
No. Processing, previews and downloads stay on your device.
What are the limits?
JPG, PNG and WebP, up to 250 MB, 8192 pixels per side and 16 million pixels. Expanded output must also fit these limits. Animation uses one still frame.