Browser-based developer utilities
Popular Tools
16 carefully selected tools for formatting data, encoding text, testing regex, generating IDs, and cleaning developer workflows.
JSON Formatter
Format, validate, and minify JSON locally in your browser.
Open tool → DATAJSON Converter
Convert JSON to YAML, XML, or CSV with client-side processing.
Open tool → ENCODINGBase64 Encoder / Decoder
Encode and decode Base64 text, plus convert images to data URLs.
Open tool → ENCODINGURL Encoder / Decoder
Encode and decode URL components or full URLs instantly.
Open tool → ENCODINGHTML Entity Encoder / Decoder
Escape or unescape HTML entities for safe markup snippets.
Open tool → FORMATTERSUnix Timestamp Converter
Convert Unix timestamps to human-readable local and UTC dates.
Open tool → GENERATORSUUID / GUID Generator
Generate RFC 4122 version 4 UUIDs locally with bulk options.
Open tool → GENERATORSHash Generator
Create MD5 and SHA hashes from text without sending it anywhere.
Open tool → GENERATORSPassword Generator
Generate strong random passwords with length and character controls.
Open tool → TEXTRegex Tester
Test JavaScript regular expressions, flags, groups, and replacements.
Open tool → TEXTText Diff Checker
Compare two blocks of text with a simple line-by-line diff.
Open tool → TEXTCase Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, title case, and more.
Open tool → GENERATORSColor Converter
Convert HEX, RGB, and HSL colors with contrast guidance.
Open tool → FORMATTERSSQL Formatter
Format SQL queries into readable clauses and indentation.
Open tool → FORMATTERSXML Formatter
Format and validate XML text with browser-side parsing.
Open tool → FORMATTERSMarkdown to HTML
Preview Markdown and convert it into clean HTML snippets.
Open tool →JSON Tools
Format, validate, minify, and convert structured data.
Encoders and Decoders
Encode and decode text safely in your browser.
Base64 Encoder / Decoder
Encode and decode Base64 text, plus convert images to data URLs.
Open tool → ENCODINGURL Encoder / Decoder
Encode and decode URL components or full URLs instantly.
Open tool → ENCODINGHTML Entity Encoder / Decoder
Escape or unescape HTML entities for safe markup snippets.
Open tool →Text Tools
Compare, transform, and clean text without uploading it.
Regex Tester
Test JavaScript regular expressions, flags, groups, and replacements.
Open tool → TEXTText Diff Checker
Compare two blocks of text with a simple line-by-line diff.
Open tool → TEXTCase Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, title case, and more.
Open tool →Generators
Generate IDs, passwords, hashes, and colors locally.
UUID / GUID Generator
Generate RFC 4122 version 4 UUIDs locally with bulk options.
Open tool → GENERATORSHash Generator
Create MD5 and SHA hashes from text without sending it anywhere.
Open tool → GENERATORSPassword Generator
Generate strong random passwords with length and character controls.
Open tool → GENERATORSColor Converter
Convert HEX, RGB, and HSL colors with contrast guidance.
Open tool →Developer Formatters
Clean up common developer formats with instant feedback.
Unix Timestamp Converter
Convert Unix timestamps to human-readable local and UTC dates.
Open tool → FORMATTERSSQL Formatter
Format SQL queries into readable clauses and indentation.
Open tool → FORMATTERSXML Formatter
Format and validate XML text with browser-side parsing.
Open tool → FORMATTERSMarkdown to HTML
Preview Markdown and convert it into clean HTML snippets.
Open tool →