Category
Developer Tools
Format, validate, compare, convert, test, and debug code or structured data without setting up a project.
JSON Formatter
Format, validate, and inspect JSON instantly.
Open tool → Developer ToolsJSON Validator
Validate JSON syntax and find parse errors fast.
Open tool → Developer ToolsJSON Diff
Compare two JSON objects and see changed keys.
Open tool → Developer ToolsJSON Compare
Compare two JSON documents side by side by key.
Open tool → Developer ToolsJSON Minify
Compress JSON by removing unnecessary whitespace.
Open tool → Developer ToolsJSON Beautify
Beautify JSON into readable indentation.
Open tool → Developer ToolsJSON to YAML
Convert simple JSON objects into YAML.
Open tool → Developer ToolsJSON to XML
Convert JSON into readable XML markup.
Open tool → Developer ToolsText Diff
Compare two text blocks line by line.
Open tool → Developer ToolsCSV to JSON
Convert spreadsheet-style CSV rows into JSON.
Open tool → Developer ToolsExcel to JSON
Convert copied spreadsheet rows or CSV files into JSON.
Open tool → Developer ToolsMock Data Generator
Generate realistic sample records for testing.
Open tool → Developer ToolsBase64 Encode & Decode
Encode text to Base64 or decode it back.
Open tool → Developer ToolsURL Encode & Decode
Encode URLs or decode percent-encoded strings.
Open tool → Developer ToolsHTML Entity Converter
Escape or unescape HTML entities.
Open tool → Developer ToolsHash Generator
Create SHA-256 and SHA-1 fingerprints.
Open tool → Developer ToolsJWT Decoder
Decode JWT header and payload without sending it anywhere.
Open tool → Developer ToolsCookie Parser
Turn a Cookie header into readable key-value pairs.
Open tool → Developer ToolsUUID Generator
Generate unique UUID v4 values in bulk.
Open tool → Developer ToolsPassword Generator
Create strong random passwords with browser crypto.
Open tool → Developer ToolsRegex Tester
Test patterns against sample text in real time.
Open tool → Developer ToolsCode Beautifier
Format JavaScript, HTML, CSS, XML, and SQL-style snippets.
Open tool → Developer ToolsSQL Formatter
Make SQL queries readable and consistent.
Open tool → Developer ToolsHTML to Markdown
Convert clean HTML into portable Markdown.
Open tool → Developer ToolsMarkdown Preview
Convert Markdown into a quick HTML preview.
Open tool → Developer ToolsCSS Minifier
Minify CSS for smaller production files.
Open tool → Developer ToolsJavaScript Minifier
Compress simple JavaScript snippets for quick sharing.
Open tool → Developer ToolsHTML Minifier
Remove extra whitespace from HTML.
Open tool → Developer ToolsAPI Request Tester
Send simple GET or POST requests from the browser.
Open tool → Developer ToolsWebSocket Tester
Open a WebSocket connection and send one message.
Open tool → Developer ToolsPage Performance Analyzer
Read browser timing metrics for the current page.
Open tool → Developer ToolsGrid Ruler
Generate a pixel ruler for layout checks.
Open tool → Developer ToolsPage Script Runner
Prepare small JavaScript snippets for browser console testing.
Open tool →