Developer Tools
Format, validate, minify and convert JSON, XML, YAML, CSV, Base64, URLs and other developer payloads. Includes regex tester, diff checker and timestamp converter.
JSON Formatter
Beautify and indent JSON with 2 or 4 spaces.
JSON Validator
Validate JSON syntax and get helpful error messages.
JSON Minifier
Minify JSON to its smallest valid representation.
XML Formatter
Beautify and indent XML documents.
YAML Formatter
Validate and pretty-print YAML documents.
CSV to JSON
Convert CSV data into a JSON array of objects.
JSON to CSV
Convert a JSON array of objects into CSV data.
CSV to Excel
Convert CSV data into an Excel-compatible file.
Excel to CSV
Convert Excel files into CSV data.
Base64 Encoder
Encode text or files to Base64.
Base64 Decoder
Decode Base64 strings back to text or binary.
URL Encoder
Percent-encode URLs and query parameters.
URL Decoder
Decode percent-encoded URLs back to plain text.
HTML Escape
Escape or unescape HTML special characters.
Regex Tester
Test JavaScript regular expressions against sample text.
Diff Checker
Compare two blocks of text and highlight the differences.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Cron Expression Builder
Build and explain cron schedule expressions.
JSON to TypeScript
Convert JSON to TypeScript interfaces.
SQL Formatter
Format and beautify SQL queries.
CSS Minifier
Minify CSS to reduce file size.
JS Minifier
Minify JavaScript code in your browser.
JSONPath Tester
Test JSONPath expressions against JSON data.
HTTP Status Codes
Reference for HTTP status codes with meanings.
API Response Visualizer
Paste JSON and visualize it as a tree, table or cards.
SQL Execution Planner
Analyze SQL queries and show the execution plan.
JWT Inspector
Decode, inspect and analyze JWT tokens in detail.
GraphQL Query Explorer
Paste a GraphQL schema and build queries visually.
OpenAPI Viewer
Paste an OpenAPI/Swagger spec and browse the docs.
Docker Compose Visualizer
Visualize Docker Compose services and dependencies.
Kubernetes YAML Validator
Validate Kubernetes YAML manifests against the API schema.
Tailwind Class Sorter
Sort and deduplicate Tailwind CSS classes.
CSS Specificity Calculator
Calculate the specificity of any CSS selector.