Example
Sample fileLoad a sample configuration.
Drop a BMP / PNG / JPG file here
Output will appear here.
These tools accept image output. Run this tool to enable one-click hand-off.
Bitmap
Replace Bitmap Color Index is a Bitmap tool that takes image input (BMP, PNG, JPG) and returns image output. It runs entirely in your browser, so your input never leaves your device.
Step by step
5 steps, all from the panel above — nothing leaves your browser.
Choose or drop your BMP / PNG / JPG file in the input panel above.
Adjust the 2 tool options — Replacement colour, Colour index (0-based).
Run it — the work happens in your browser, so nothing is uploaded.
The result appears in the output panel as image output. From there you can download it as a file. The preview is rendered before you save anything.
The chain panel lists tools that accept this output; sending the result opens the next tool with its input already filled in.
Formats
What Replace Bitmap Color Index accepts and what it hands back.
Read from a BMP / PNG / JPG file on your device.
Returned as image output; no specific file format is declared for it. From the output panel you can download it as a file.
Replacement colour
text · default #ff0000
Colour index (0-based)
integer · default 0
Examples
1 catalog example for Replace Bitmap Color Index. Runnable examples can be loaded from the examples panel above.
Load a sample configuration.
Embed a bitmap as a data: URI.
Decode a BMP data URI back into a bitmap file.
Build a BMP file from raw RGB values or hex colours.
Dump the raw pixel values of an image.
List an image's distinct colours with frequencies.
Adjust brightness, contrast or saturation of a bitmap.
FAQ
Answers for Replace Bitmap Color Index, taken from the tool's own catalog definition.
It runs entirely in your browser — the work happens on your device.
image input (BMP, PNG, JPG).
The result is image output. From the output panel you can download it as a file. A preview is rendered first.
Yes. After a run, the chain panel lists tools that accept image output (12 compatible tools in the catalog right now) and hands the result across with one click.
Yes — the tool options panel above exposes 2 settings: Replacement colour, Colour index (0-based).
No. Accounts only add conveniences: favourites, recent-tool history and saved workflows.
Processed locally in your browser; Accepts file input; Accepts image input; Live preview of the result; Download the result as a file; Chain the output directly into another tool.
Get started
The tool is ready above — add your image (BMP / PNG / JPG) and run it. It all happens in your browser, so nothing is uploaded.