All Tools

Fast, consistent, and SEO-rich utilities for everyday development and content work.

Generate RFC 4122 version-4 UUIDs instantly in your browser. The result copies automatically.

Create placeholder text by paragraphs, sentences, or words. Results copy with one click.

Encode and decode strings safely with full Unicode support (TextEncoder/TextDecoder).

Convert titles to clean, URL-friendly slugs with custom separators and accent handling.

Create secure random passwords with adjustable length and character sets. Copies automatically.

Validate, pretty-print, and minify JSON locally. Nothing leaves your browser.

Encode or decode URLs and query strings with full Unicode support.

Convert text to lowercase, UPPERCASE, Title Case, or Sentence case with Unicode-aware rules.

Turn simple CSV into JSON instantly in your browser.

Compute SHA-1, SHA-256, SHA-384, or SHA-512 hashes using SubtleCrypto. Hex output.

Decode JWT header and payload (base64url) locally. Pretty-printed JSON copies automatically.

Convert between HEX, RGB, and HSL with live preview. Copy-ready results.

Convert Unix epoch (seconds or ms) to ISO date and back. Includes a Now shortcut.

Encode or decode HTML entities (<, >, &, quotes) safely and locally.

Turn a JSON array of objects into CSV with proper quoting and merged keys.

Test JavaScript regular expressions against text. See match indices and named groups.

Get character (code points), byte (UTF-8), word, line, and sentence counts for any language.