Developer tools
JSON formatter and validator
Format, validate and minify JSON in your browser. Includes clear errors and downloadable output.
Open resourceDeveloper tools / FREE RESOURCE
Color contrast checker
Check text and background colors against WCAG contrast thresholds for normal and large text.
2026 edition · By EgoTECH · No login required
Tool processing runs in your browser. This site also loads Google AdSense; its data practices are separate from these tools. Do not paste credentials or sensitive data.
Make every word readable.
This preview uses your chosen text and background colors.
WCAG AA requires at least 4.5:1 for normal text and 3:1 for large text. AAA thresholds are 7:1 and 4.5:1 respectively. Large text is at least 18pt, or 14pt bold. A passing ratio alone does not establish page-wide accessibility.
Read the W3C contrast guidanceKeep exploring
Developer tools
Project README builder
Turn project details into a useful Markdown README with setup, tests and limitations.
Open resourceDeveloper tools
Student resume bullet builder
Write evidence-based project bullets using your actual work, scope and results.
Open resource