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Adjust text and background colours while checking their contrast.

Check text and interface contrast with transparency and lightness controls.

Compare on-page and third-party SEO metrics for a supplied list of URLs.

Free online paraphraser with multiple tone options

Free AI checker that detects ChatGPT, GPT-4 and Gemini text

Check certificate installation and chain problems

Check PDF accessibility and inspect reading structure

Plan prepaid travel data with a separate calling-number benefit

Type Bangla through phonetic, fixed or mouse input

Verify whether a selected service port is reachable remotely

Free AI symptom checker developed by doctors.

AI study platform for homework help, notes, flashcards, quizzes and exam prep.

Writing and citation reference for academic and professional tasks

Check whether a supported token can pass buy-and-sell simulations

Sample a foreground and background pair and copy its contrast report.

Free website traffic reports and paid analysis of visitor behavior

Share a colour pair with its WCAG text-contrast result.

AI language tutor for speaking practice and pronunciation feedback.

Photograph a food or cosmetic label and get a 0 to 100 safety score built from public FDA and EFSA data.

Adjust CSS colour pairs and inspect their changing contrast ratio.

Compare a text and background pair with editable colour values.

See how a colour pair performs for different text sizes.

Free AI email writer for drafts, replies and subject lines

Check status codes and redirect chains for up to 100 URLs.