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Photo enhancer: auto-fix brightness, contrast and colour

Brighten dull or dark photos, remove colour casts, add gentle contrast and sharpen details automatically, right in your browser.

Your inputs stay in this tab. We do not receive your files, pasted text or calculation values.

Input

Your result

Your result will appear here.

How to use this tool

  1. Enter your values or choose a local file. Replace the example data with your own.
  2. Review options, units and assumptions, then run the tool.
  3. Check the result before copying or downloading it. Keep an original copy of important files.

Method & assumptions

Brighten dull or dark photos, remove colour casts, add gentle contrast and sharpen details automatically, right in your browser.

per-channel auto levels (0.5 % clip) → gentle S-curve → vibrance → unsharp mask

Worked example

dull-photo.jpg (4000 × 3000) → dull-photo-enhanced.jpg (normal strength)

Limits & important notes

Automatic corrections suit everyday snapshots. Keep your original: strong settings can clip highlights in photos that were already well exposed.

Content updated:

Privacy & Free to use

Are my inputs stored?

Your inputs stay in this tab. We do not receive your files, pasted text or calculation values.

Is this tool free?

Yes. No signup or payment is required.

Processed in your browser

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