A high-performance collection of essential, browser-native utility tools for engineers. Completely free, fast, and secure.
Search across 26 browser-native utilities and jump straight into the right formatter, generator, or decoder.
Format, validate, and minify raw JSON string data. Select custom tab spacings and copy formatted outputs instantly.
Decode JSON Web Tokens (JWT) client-side. Inspect decrypted header definitions, payload claims, and signature codes.
Encode raw text strings into compliant Base64 format, or decode Base64 encoded characters back to plain text.
Generate standard cron expressions interactively. Pick custom minute, hour, and day schedules to get the cron string.
Generate compliant UUID version 4 strings in bulk instantly. Copy generated UUID lists in one click.
Test your regular expressions against sample texts with match highlighting, capture group indicators, and flags.
Beautify raw SQL queries. Automatically capitalize standard keywords and align spacing for readable database scripts.
Convert Unix epoch timestamps to human-readable dates (UTC/Local) and generate current milliseconds stamps.
Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hash digests in real-time in your browser.
Encode plain text strings into URL-safe formats or decode escaped URL percent encodings.
Create secure random passwords. Adjust lengths and select numbers, symbols, and casing options.
Write Markdown syntax in real-time and preview the compiled HTML layout side-by-side.
Convert JSON data to YAML format or YAML back to JSON, entirely in your browser.
Convert CSV data (including quoted fields) to JSON, or a JSON array of objects back to CSV.
Encode text into HTML-safe entities, or decode named and numeric HTML entities back to plain text.
Break any URL down into its protocol, host, port, path, query parameters, and hash — entirely client-side.
Parse a URL query string into key-value pairs, or build one from scratch with proper URL encoding.
Convert colors between HEX, RGB, and HSL formats with a live preview swatch.
Generate placeholder Lorem Ipsum text by word, sentence, or paragraph count for mockups and layouts.
Compare two text or code snippets side-by-side or unified with additions, deletions, and line-by-line diff highlighting.
Convert text between camelCase, PascalCase, snake_case, CONSTANT_CASE, kebab-case, Title Case, and more.
Pretty-print and validate XML documents with configurable indentation, entirely in your browser.
Pretty-print HTML markup with proper indentation, safely parsed without executing any embedded scripts.
Beautify CSS with consistent indentation, or minify it down to a single compact line.
Check whether a string is a well-formed email address, with a clear reason when it isn't.
Parse a raw HTTP headers block into a table, or build one from key-value pairs. No requests are sent.