Developer Tools
Essential utilities for formatting, encoding, decoding, and debugging code and data structures.
JSON & TypeScript Serialization
Format, validate, minify, escape, and generate typed TypeScript interfaces from JSON payloads.
JSON Formatter & Beautifier
Format, indent, and prettify messy JSON data with customizable indentation and syntax validation.
JSON Validator & Linter
Validate JSON syntax against official RFC specs and find exact line and column numbers of errors.
JSON Minifier & Compressor
Compress JSON by stripping all whitespace, newlines, and indentation to reduce payload transfer size.
JSON Escape & Unescape
Escape quotes, backslashes, and special characters for string embedding, or unescape strings back to pure JSON.
JSON to TypeScript Converter
Generate strict TypeScript interfaces, types, and schema models from any JSON object or API response.
Encoding, Cryptography & Security
Cryptographic hashing, Base64 translation, JWT token inspection, and URL query encoding.
Base64 Encoder
Encode plain text, UTF-8 strings, and binary sequences into Base64 format with full Unicode support.
Base64 Decoder
Decode Base64 encoded strings back into clean UTF-8 text and Unicode characters instantly.
URL Encoder (Percent-Encoding)
Encode special characters and query strings into percent-encoded URL formats safely.
URL Decoder
Decode percent-encoded URL parameters and queries back to readable text and foreign characters.
JWT Decoder (JSON Web Token)
Inspect and decode JWT headers, claims payloads, expiration dates, and signatures securely without exposing secrets.
UUID / GUID Generator (v4)
Generate cryptographically secure random UUID v4 identifiers in bulk with uppercase, lowercase, and hyphen options.
Cryptographic Hash Generator
Calculate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic digests for any text or secret locally.
Web Markup & Code Beautifiers
Format, minify, and inspect HTML, CSS, JavaScript, and live Markdown documents with instant render.
HTML Formatter & Beautifier
Clean up nested HTML markups with proper indentation, tag alignments, and whitespace fixes.
HTML Minifier
Minify HTML documents by stripping unnecessary comments, whitespace, and empty lines for faster page loads.
CSS Formatter & Beautifier
Format messy stylesheets, media queries, and CSS rule sets with clean multi-line indents.
CSS Minifier & Compressor
Compress CSS styles by removing whitespace, comments, trailing semicolons, and optimizing color values.
JavaScript Formatter & Beautifier
Beautify unformatted JavaScript and TypeScript scripts with standard brace alignments and clean indentation.
Database, Regex & Logic Inspection
SQL query formatting, regex pattern verification, side-by-side text diff, and Unix epoch conversions.
Regular Expression (Regex) Tester
Test JavaScript regular expressions in real-time with syntax highlighting, flag toggles, and match groups.
Text & Code Diff Checker
Compare two text snippets or code blocks side-by-side to highlight additions, deletions, and line changes.
SQL Query Formatter & Beautifier
Beautify and indent SQL queries with standard SQL, PostgreSQL, MySQL, SQLite, and MariaDB syntax formatting.
Unix Timestamp Converter
Convert Epoch Unix timestamps in seconds or milliseconds to human-readable dates in UTC and local timezones.