A 50-item bucket list in eight categories. Tick items, watch the percentage move, and keep it across reloads.

Build initialisms, recursive acronyms and random words from a phrase, plus a back-expander.

Check a phrase or number as a palindrome with a character mirror map and the longest palindromic substring.

A single-column print-ready resume that renders as you type, with skill proficiency bars, bullet achievements and a copy-as-text version.

Six cover-letter templates driven by a pasted job description, with a real ATS keyword-match readout that stems and de-duplicates, plus an ASCII-safe plain-text export.

Epoch seconds or milliseconds, an ISO string, or a phrase like 'in 2 hours' - resolved against your clock and shown in local time, UTC and your exact UTC offset.

One integer into binary, octal, decimal and hex, with a two's complement view at any bit width from 1 to 64 and a custom radix column for bases 2 to 62.

Decimal to Roman and back, validated strictly: a numeral is only accepted when re-encoding its value reproduces the input exactly, with a count of the symbols used.

Run a pattern live against sample text: every match with its position, numbered and named capture groups, a match count, and a replacement preview.