Count words, characters, sentences, paragraphs, and reading times live.
Convert text between camelCase, snake_case, UPPERCASE, Title Case, and kebab-case.
Convert Unix epoch timestamps to human date strings and vice versa.
Generate title tags, meta descriptions, and social card tags with Google SERP preview.
Generate random numbers or pick random winning names from a list.
Prettify, minify, and validate JSON data with syntax highlight and error detection.
Test JavaScript regular expressions live with match highlighting and capture groups.
Generate standard 5-part cron schedules or translate cron syntax into plain English.
Encode/decode Base64 strings or generate cryptographic SHA-256 and MD5 hashes.
Decode JSON Web Tokens (JWT) to inspect header, payload claims, and expiration.
Encode or decode URL query strings and parse parameters into JSON.
Escape special HTML characters into safe entities (<, >, &).
Compare two text snippets side-by-side to highlight added or removed lines.
Generate cryptographically random UUID / GUID v4 strings in bulk.
Generate customizable paragraphs, words, or sentences of placeholder text.
Format raw SQL statements with proper indenting and keyword capitalization.
Minify JS code by stripping comments, whitespace, and extra linebreaks.
Compress CSS stylesheets into lightweight single-line format.
Parse browser User-Agent string to detect OS, engine, and device details.
Turn plain article titles into URL-friendly lowercase SEO slugs.
All tools in the Developer Tools suite execute locally within your browser engine. Your files, media, code snippets, and financial data are never uploaded to remote servers. Enjoy zero-latency processing, unlimited access, and complete privacy.