Free tools
Free tools for your website.
A practical collection of free tools to help you understand, improve and protect your website.
Character Counter
Use the free character counter to turn your information into a clear, practical result.
ChatGPT Watermark Remover
Remove invisible Unicode characters and selected dashes from ChatGPT text locally.
Checksum Calculator
Use the free checksum calculator to turn your information into a clear, practical result.
Churn Rate Calculator
Calculate customer churn and its monthly equivalent for any reporting period.
Claude Watermark Remover
Clean supported invisible Unicode characters and selected dashes from Claude text.
Coin Flip Simulator
Use the free coin flip simulator to turn your information into a clear, practical result.
Color Contrast Checker
Check two colors against WCAG AA and AAA text contrast requirements.
Confidence Interval Calculator
Get a clear, immediate result with this free confidence interval calculator.
Construction Calculator
Get a clear, immediate result with this free construction calculator.
Conversion Rate Calculator
Calculate your current conversion rate and the gap to your next target.
Cookie Audit Tool
Audit a page for cookie headers, JavaScript assignments and tracking signals.
Cookie Banner Generator
Get a clear, immediate result with this free cookie banner generator.
Cookie Scanner
Scan a public page for cookie headers, assignments, and tracking signals.
Cookieless Analytics Checker
Assess cookieless measurement across collection, transparency and operations.
Core Web Vitals Checker
Check mobile LCP, INP, CLS, and performance score for any public web page.
Cover Letter Generator
Get a clear, immediate result with this free cover letter generator.
CPC Calculator
Use the free cpc calculator to turn your information into a clear, practical result.
CPM Calculator
Use the free CPM calculator to turn your information into a clear, practical result.
Cron Expression Validator
Get a clear, immediate result with this free cron expression validator.
CSAT Score Calculator
Calculate customer satisfaction from positive responses and compare your CSAT target.
CSS Minifier
Use the free CSS minifier to turn your information into a clear, practical result.
CTR Calculator
Use the free CTR calculator to turn your information into a clear, practical result.
Cubic Feet Conversion Calculator
Get a clear, immediate result with this free cubic feet conversion calculator.
Cubic Yard Conversion Calculator
Get a clear, immediate result with this free cubic yard conversion calculator.
Questions about our free tools.
Everything you need to know before using the Clics free-tool collection.