Color Contrast Checker is a browser-based tool on PDFBro. Pick foreground and background colors and instantly check WCAG 2.1 contrast compliance. See AA and AAA pass/fail for normal and large text. Fix accessibility issues before publishing. No signup required, no watermarks added.
How to Use Color Contrast Checker
- Upload your file: Click the upload area or drag and drop your file into the color contrast checker tool.
- Configure options: Adjust any available settings like quality, page range, or output format.
- Process and download: Click the process button and download your result instantly.
FAQ
- Is color contrast checker free to use?
- Yes. This tool is completely free on PDFBro. No signup, no account, and no limits for standard use.
- Are my files safe?
- Yes. PDFBro processes files in your browser whenever possible. Your files are never stored permanently on any server.
- Do I need to install software?
- No. PDFBro tools run entirely in your web browser. No download or installation required.