JSON Formatter
Format, validate and minify JSON, and see exactly which line has a mistake.
Free tools
Developer tools
Format JSON and XML, convert CSV and YAML, minify code, test regex and generate hashes, passwords and CSS. Private, in your browser.
JSON to CSV
Turn a JSON list of records into CSV for Excel or Google Sheets.
CSV to JSON
Convert CSV rows into a JSON list, with numbers and true/false detected.
YAML to JSON
Convert YAML config files into JSON and catch indentation mistakes.
JSON to YAML
Convert JSON into clean YAML for configs, Kubernetes and CI files.
XML Formatter
Pretty-print or minify XML and find unclosed or mismatched tags.
HTML Minifier and Beautifier
Shrink HTML by removing comments and extra spaces, or re-indent it for reading.
CSS Minifier and Beautifier
Minify CSS for faster pages, or beautify it with clean indentation.
JavaScript Minifier and Beautifier
Strip comments and spaces from JavaScript, or re-indent minified code to read it.
Base64 Encode and Decode
Encode text to Base64 or decode Base64 back to text, with URL-safe mode.
URL Encode and Decode
Percent-encode or decode text for links, query strings and form data.
Hash Generator
Get MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or a file.
UUID Generator
Generate random UUID v4 values in bulk, in several formats.
Strong Password Generator
Create strong random passwords with a strength meter. Nothing is stored or sent.
Regex Tester
Test regular expressions live with highlighted matches, groups and flags.
JWT Decoder
Read the header, payload and expiry of a JSON Web Token. Decode only, no verification.
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to timestamps, with India time.
Cron Expression Explainer
Translate a cron schedule into plain English and see its next run times.
Colour Converter
Convert colours between HEX, RGB and HSL, and check contrast against white and black.
CSS Gradient Generator
Design linear, radial and conic gradients and copy the CSS.
CSS Box Shadow Generator
Design layered box shadows with sliders and copy the CSS.
CSS Border Radius Generator
Round the corners of a box with sliders and copy the border-radius CSS.
HTML Entity Encode and Decode
Convert special characters to HTML entities and entities back to text.