Data Processing
Format, validate and convert data without uploading it anywhere: JSON, YAML, XML, CSV, Base64, timestamps, SQL and more. Every converter runs client-side in your browser.
18 free tools — no ads, no sign-up, everything runs in your browser.
Base64 Encoder/Decoder
Advanced Base64 encoder/decoder with auto-detection, multiple formats (URL-safe, MIME, Data URI), file support, and comprehensive statistics.
CSV to Chart
Paste or upload CSV data and generate bar, line, pie, or doughnut charts. Export as PNG.
Diff Checker
Compare two text blocks and highlight differences side-by-side
GraphQL Formatter & Validator
Format, validate and beautify GraphQL queries with syntax highlighting
HTML Encoder/Decoder
Encode and decode HTML entities. Convert special characters to HTML entities and back. Perfect for displaying code safely in HTML.
HTML to Text Converter
Convert HTML to plain text by removing all HTML tags and entities. Extract readable text from HTML documents.
JSON ⇄ YAML Converter
Bidirectional JSON/YAML conversion with advanced formatting options, auto-detection, file upload, and comprehensive statistics
JSON Formatter
Advanced JSON formatter with validation, analysis, search, multiple format modes, file upload, and comprehensive statistics.
JSON to CSV Converter
Professional JSON to CSV conversion with nested object flattening, multiple delimiters, file upload, and comprehensive statistics
Number Base Converter
Convert numbers between different bases: Binary, Octal, Decimal, and Hexadecimal
SQL Formatter
Format and beautify your SQL queries for better readability.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin
Time Zone Converter
Convert time between different time zones worldwide with automatic DST handling
Timestamp Converter
Convert between Unix timestamps and human-readable dates with timezone support, multiple formats, and comprehensive date analysis
URL Encoder/Decoder
Encode and decode URLs with multiple modes, auto-detection, file upload, and comprehensive analysis
XML Formatter & Validator
Format, validate, and analyze XML documents with comprehensive options, element/attribute counting, and detailed validation
YAML to TOML Converter
Convert YAML configuration to TOML format with proper syntax and validation
YAML Validator
Validate and lint YAML in your browser. Catch syntax errors with line numbers and preview the parsed JSON output. Nothing leaves your device.