Pretty print with a collapsible tree, validate with exact error positions, minify and convert to CSV.

SHA-256, SHA-384, SHA-512, SHA-1 and MD5 of text or files, with a compare field that spots the match.

Header, payload and humanised expiry with a live countdown. Decode-only, and says so honestly.

Line or word diffs, inline or side by side, with ignore-whitespace for formatter noise.

Decode and encode, UTF-8 safe with URL-safe support, plus image to data URI with honest size advice.

Live highlighting, capture groups, replace preview and shareable links that stay in the URL fragment.

Split-pane live preview with GFM tables and task lists, autosave and .md/.html export.

Quote-aware parsing, delimiter auto-detect, typed values and the reverse direction.

Linear, radial and conic with stop control, angle and copy-ready CSS plus fallback.

Dropdown builder, plain-English readout and the next five run times in local time.

v4 UUIDs from crypto.randomUUID, bulk up to 1,000 with formatting options.

Component and whole-URL encoding side by side, plus a decoder that unwinds double encoding.

Your public IPv4 and IPv6 with an honest account of what an address reveals.