All Free Tools

Calculate your exact age in years, months, and days.

Generate heartfelt apologies for awkward situations.

Calculate aspect ratios for images and video.

Encode and decode Base64 in your browser.

Calculate your Body Mass Index instantly.

Convert between HEX, RGB, HSL, and more.

Generate harmonious color palettes instantly.

Build beautiful CSS gradients visually.

Compare two text snippets side by side.

Generate MD5, SHA-1, SHA-256, and more.

Format, validate, and minify JSON.

See what your habits cost over a lifetime.

Generate Lorem Ipsum placeholder text.

Write and preview Markdown in real time.

Generate meta tags for SEO and social sharing.

Convert between binary, decimal, hex, and octal.

Generate strong, unique passwords.

Calculate percentages and percent change.

Stay focused with 25/5 Pomodoro cycles.

Generate QR codes for URLs and text.

Test and debug regular expressions live.

Build a robots.txt file in seconds.

Convert numbers to and from Roman numerals.

Full scientific calculator in your browser.

Stopwatch and countdown timer combined.

Switch between UPPER, lower, Title, camelCase.

Convert Unix timestamps to human dates.

Test your typing speed and accuracy.

Convert length, weight, temperature, and more.

Encode and decode URL-safe strings.

Generate v1, v4, and v7 UUIDs.