Technical Tool Directory
Complete indexed registry of browser-native execution utilities. Click any card to immediately open its dedicated interactive execution panel, inspect RFC standards, and run transformations in-memory.
JSON Formatter & Validator
FORMATTINGFormats unformatted JSON payload strings with custom indentation depths (2 spaces, 4 spaces, tabs). Detects broken trailing commas, unescaped quotes, and schema syntax violations.
Base64 Encoder / Decoder
ENCODINGBi-directional ASCII / UTF-8 to Base64 transformation engine. Handles binary array chunks, URI encoded segments, and non-printable control characters safely.
URL Percent-Encoder / Decoder
ENCODINGConverts reserved query parameters, URL path parameters, and non-ASCII character entities into valid %XX hex sequences and decodes tangled query parameter strings.
UUID v4 Batch Generator
GENERATORSGenerate single or bulk Universally Unique Identifiers (up to 1,000 strings per click) formatted with standard hyphenated 8-4-4-4-12 hex notation.
SHA-256 & SHA-512 Hasher
SECURITYDirect Web Crypto hardware accelerated cryptographic digest calculation. Supports plain strings, JSON payloads, and token signatures with hex and base64 exports.
JWT Header & Claims Decoder
SECURITYInspect and disassemble authorization tokens. Validates expiry timestamps against local browser clocks and highlights role entitlements and issuer signatures.
SQL Query Formatter
FORMATTINGStandardizes messy PostgreSQL, MySQL, SQLite, and ANSI-SQL queries with capitalized keywords, indented joins, clause line breaks, and subquery hierarchy formatting.
Unix Epoch Timestamp Converter
GENERATORSConvert between raw integer seconds / milliseconds and human-readable UTC / localized datetime representations with microsecond precision telemetry.
Regex Match & Extraction Tool
FORMATTINGLive regular expression tester with real-time match groups, flag modifiers (global, multiline, case-insensitive), and regex syntax validation warnings.
HTML Entity Encoder / Decoder
ENCODINGSanitize raw markup strings into safe HTML entities (<, >, &, ") to prevent cross-site scripting (XSS) in templating pipelines.