Convert Image to Web-Safe Colors
Snap every pixel to the nearest of the 216 web-safe colors. Runs entirely in your browser, so your data never leaves your device.
Drop a file here, or click to browse
Files never leave your device
Output
The result appears here as you type.
How to use Convert Image to Web-Safe Colors
- 1. Upload the image. Drop in the photo or graphic you want restricted to the classic web-safe palette. It decodes so each pixel's color can be remapped.
- 2. The tool snaps every pixel to the nearest match. There is nothing to configure. Each pixel's color is replaced with whichever of the 216 web-safe colors is closest, producing a slightly posterized version of the image.
- 3. Download the recolored image. Save the result once the preview shows the palette-limited version, useful for retro effects or for confirming how an image degrades under old color constraints.
When to use Convert Image to Web-Safe Colors
Convert Image to Web-Safe Colors snaps every pixel of an image to the nearest of the 216 web-safe colors, the fixed palette from the early days of limited-color displays. It is for a deliberately retro or posterized look, not general color correction.
- Recreating a late-1990s web aesthetic. A design project wants the flattened, slightly banded color look of early web graphics, and restricting a modern photo to the web-safe palette gives that authentic effect.
- Testing legacy display compatibility. A retro computing project or emulator needs to display images within a limited color range, and previewing how a photo looks reduced to the web-safe palette helps plan the conversion.
- Creating a posterized art effect. An artist wants the visual style of flattened, blocky color regions for a graphic, and the fixed 216-color constraint produces a distinct, repeatable posterization effect.
Examples
Posterized palette
Input
photo.png
Output
The same image using only the 216 web-safe colors.
About the Convert Image to Web-Safe Colors tool
Convert Image to Web-Safe Colors runs as plain JavaScript in your browser tab, with no server behind it. Snap every pixel to the nearest of the 216 web-safe colors. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Image Tools section, 200 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
There is nothing to configure. Provide the input and the result appears on its own. The finished file is put together in browser memory and saved with the Download button, so it never touches a server on the way to your disk. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Does Convert Image to Web-Safe Colors cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Are my files uploaded to a server?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
Which files does Convert Image to Web-Safe Colors accept?
It accepts images in any common format (PNG, JPG, WebP, GIF and more). There is no file size cap imposed by a server; very large files are limited only by your device's memory.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
How do I save the output?
Click the Download button once the result is ready. The file is built in your browser's memory and handed straight to your downloads folder, without passing through a server.