Images

Redact Image≈

Replace selected image pixels with solid black and export a fresh opaque PNG without original metadata or hidden alpha pixels.

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Permanent removal in a new file

Covered pixels are replaced with solid black. The new opaque PNG contains no original metadata or hidden alpha pixels. Animated and multi-frame images are rejected. Your original file stays unchanged. Draw every area you want removed, then review the exported file.

How to use Redact Image

  1. Choose your PNG, JPEG, WebP, GIF, BMP, TIFF, ICO.
  2. Draw rectangles over the private content. Add, remove or adjust several areas; animated and multi-frame inputs are rejected.
  3. Export the redacted PNG and review it before sharing. The original image stays unchanged on your device.

Process multiple files

Use a workflow to apply the same settings to each file.

Formats and requirements

Input formats
PNG, JPEG, WebP, GIF, BMP, TIFF, ICO
Output
PNG
Availability
Free in your browser and through the CLI
Files per operation
1
Browser file limit
128 MiB per file, 128 MiB total

What to expect

Replaces selected pixels with solid black and exports a new opaque PNG without original metadata or hidden alpha pixels. Single-frame images only. The original file is unchanged.

Do my files leave my device?

No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.

File privacy and local processing →

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