Developer Utilities
Secure, browser-based tools. All processing happens client-side.
Format & validate
Parse, validate, and transform structured data formats.
JSON Formatter
Validate, beautify, and compress JSON payloads.
Markdown Parser
Preview markdown syntax compiled live into standard styling.
YAML Formatter & Validator
Parse, validate, and beautifully format YAML documents.
CSS / SQL Beautifier
Format and minify CSS stylesheets and SQL queries with dialect support.
XML Formatter
Format, validate, and minify XML documents with proper indentation.
Encode & decode
Encoding, conversion, and token inspection utilities.
Base64 Encoder / Decoder
Encode and decode binary and text strings to and from Base64 with URL-safe support.
JWT Decoder
Decode, inspect, and validate JSON Web Token structure and claims.
Hex Encoder / Decoder
Convert text to hexadecimal and back with configurable delimiters.
HTML Entities Encoder / Decoder
Escape and unescape HTML special characters with full non-ASCII support.
Generate
Randomized password, identifier, and string generation utilities.
Password Generator
Generate strong random passwords with configurable character sets and strength scoring.
UUID v4 Generator
Generate RFC 4122 version 4 UUIDs in batches with case and hyphen options.
ULID Generator
Generate sortable, timestamp-prefixed ULIDs with human-readable time breakdown.
Random String Generator
Generate random strings from a custom character set with full control.
Analyze
Inspect, compare, and evaluate code, data, and identifiers.
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes of any text.
Regex Tester
Test regular expressions live with match highlighting and group breakdowns.
Text Diff
Compare two texts side-by-side or inline with added and removed line highlighting.
Cron Helper
Describe cron expressions in plain English and preview the next execution times.
Timestamp Converter
Convert Unix timestamps to ISO dates and human-readable time in one click.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal live.
Color Converter
Convert colors between HEX, RGB, HSL, and HSV with a live preview.
Text Statistics
Count words, characters, lines, paragraphs, bytes, and reading time.
User-Agent Parser
Parse any User-Agent string into browser, OS, engine, and device details.
IP / CIDR Calculator
Calculate network, broadcast, mask, and host ranges for any IPv4 CIDR block.
Semver Checker
Compare semantic versions and validate version range constraints.
JSONPath Evaluator
Query JSON documents with JSONPath expressions and preview matched values.