Developer Tools

Format JSON, encode/decode Base64 and URLs, test regex, decode JWTs, generate UUIDs and hashes, and minify code.

30 tools

JSON Formatter and Validator

Format, validate, and beautify JSON data with syntax highlighting, tree view, and error detection.

Developer Tools

JSON to CSV Converter

Convert JSON arrays and objects to CSV format with customizable delimiters and column mapping.

Developer Tools

CSV to JSON Converter

Convert CSV data to JSON arrays or objects with automatic type detection and header mapping.

Developer Tools

Base64 Encode and Decode

Encode text or images to Base64 and decode Base64 strings back to their original format.

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URL Encode and Decode

Encode special characters for URLs or decode percent-encoded strings back to readable text.

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HTML Entity Encode and Decode

Convert special characters to HTML entities and decode HTML entities back to readable text.

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Regex Tester

Test regular expressions with real-time match highlighting, group capture display, and a pattern library.

Developer Tools

JWT Decoder

Decode JSON Web Tokens to inspect header, payload, and signature without needing the secret key.

Developer Tools

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and dates back to Unix timestamps instantly.

Developer Tools

UUID Generator

Generate random UUIDs in v4 and v7 formats with bulk generation and one-click copy support.

Developer Tools

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text input using the Web Crypto API.

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CSS Minifier

Minify CSS by removing whitespace, comments, and redundant code to reduce file size.

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JavaScript Minifier

Minify JavaScript by removing whitespace, comments, and shortening variable names for smaller files.

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HTML Minifier

Minify HTML by removing whitespace, comments, and optional tags to reduce document size.

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Cron Expression Parser

Parse cron expressions into human-readable descriptions and preview the next scheduled run times.

Developer Tools

Chmod Calculator

Convert between symbolic and numeric Unix file permissions with a visual chmod calculator.

Developer Tools

JSON to YAML Converter

Convert JSON documents to YAML format with syntax validation, clean formatting, and instant preview.

Developer Tools

YAML to JSON Converter

Parse YAML documents and convert to formatted JSON with error reporting and syntax validation.

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JSON to XML Converter

Convert JSON data to well-formed XML documents with customizable root element and formatting options.

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XML to JSON Converter

Parse XML documents and convert to structured JSON with configurable attribute handling options.

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JSON to TOML Converter

Convert JSON objects to TOML format with type preservation and clean table structure output.

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TOML to JSON Converter

Parse TOML documents and convert to formatted JSON output with validation and error reporting.

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TOML to YAML Converter

Convert TOML configuration files to YAML format seamlessly with structure preservation.

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YAML to TOML Converter

Transform YAML documents to TOML configuration format with proper table structure and types.

Developer Tools

XML Formatter and Prettifier

Format, indent, and validate XML documents with customizable indentation and output options.

Developer Tools

YAML Formatter and Viewer

Format, validate, and visualize YAML documents with tree view and customizable indentation.

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JSON Minifier

Minify JSON by removing whitespace and formatting for compact, production-ready output.

Developer Tools

JSON Diff Viewer

Compare two JSON documents with semantic diff highlighting and detailed change detection.

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SQL Formatter and Prettifier

Format SQL queries with keyword uppercasing, proper indentation, and dialect support.

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URL Parser

Break down URLs into protocol, host, port, path, query parameters, and hash components.

Developer Tools

Explore Other Categories

DevOps ToolsConvert Docker run commands to Compose, browse Git and regex cheatsheets, and build cron expressions visually.
Web and SEO ToolsGenerate meta tags, look up HTTP status codes and MIME types, detect keycodes, edit HTML, and create ULIDs.
Text and WritingCount words, convert case, compare text, sort lines, generate Lorem Ipsum, and transform text in various ways.
Security and EncryptionGenerate passwords, check strength, create hashes, encrypt text, detect IP info, and parse user agents.