Tools
Free browser-based utility tools for developers, writers, and everyday productivity. No install required.
Regex Tester
↗Test regular expressions in real-time — paste your pattern and test string, see matches highlighted instantly with capture groups.
Regex Visualizer
↗Visualize regex matches with highlighted text, match groups, and real-time analysis. Supports all JavaScript regex flags (g, i, m, s).
Schema Markup Generator
↗Generate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, Organization, and Breadcrumb schemas. Paste directly into your HTML for rich snippets.
SHA-256 Generator
↗Generate SHA-256 hash for any text input — used for checksums, password hashing, and data integrity verification.
SHA-512 Generator
↗Generate SHA-512 cryptographic hash — 128-character hex output, the strongest standard hash function for maximum collision resistance.
SQL Formatter
↗Beautify and format SQL queries with proper indentation, keyword uppercasing, and clause alignment. Supports SELECT, INSERT, UPDATE, DELETE, JOIN, and subqueries. Free online SQL beautifier.
String Escape Tool
↗Escape and unescape strings for JSON, JavaScript, HTML, CSV and SQL. Handles all special characters correctly.
Text Diff Checker
↗Compare two pieces of text side by side and see exactly what changed. Essential for reviewing document edits, code changes, or any version comparison.
UUID Generator
↗Generate universally unique identifiers (UUIDs) in various versions for use in databases, session IDs, and more.