Everyday tools, zero friction.

Work out X% of Y, what percent X is of Y, or the % change between two numbers.

Generate strong random passwords with the exact length and character set you want.

Find your exact age in years, months and days — plus your next birthday countdown.

Compare one moment across any list of cities, side by side.

Split the bill, add the right tip, and see each person’s share instantly.

Pick a color and get hex, RGB, HSL, contrast pairs and a ready-made palette.

Format, minify and validate JSON — with the exact line and column of any error.

Count words, characters, lines and reading time as you type.

Generate up to 1,000 UUIDs and copy or download them in one click.

Estimate your monthly loan payment, total interest and full amortization schedule.

Encode or decode Base64 safely, including full Unicode text.

Find the difference between two dates, or add and subtract days from a date.

Project the future value of a monthly investment with optional step-ups.

Test a regular expression against a string and see every match highlighted.

Pick random integers or decimals in any range — unique, seeded, or one-off.

Filler text by paragraphs, sentences or words, with headings and lists.

Write Markdown with a live preview, toolbar, and HTML export.

Harmonious five-color palettes with lock, CSS and Tailwind export.

Linear, radial and conic gradients with copy-paste CSS.

Beautify SQL with clean indentation, one clause per line, uppercase keywords.

Format and minify JavaScript and CSS in your browser.

Flesch Reading Ease, grade level, Gunning Fog and SMOG for any text.

Decode a JSON Web Token: header, payload claims and signature, with expiry.

MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 hashes of any text, live.

Word counts and density percentages for any text, with stop-word filter.

Unix time to date and back, seconds or milliseconds, UTC and local.

Text to binary and back, 8-bit UTF-8 bytes, space-separated.

Find the missing width or height from a ratio, or the ratio of any size.

SEO and Open Graph head tags with live character counters.

Build cron expressions with a plain-English reading and next run times.

Count working days between two dates, skipping weekends and holidays.

Final price after one or two stacked discounts, percent or fixed amount.