Available tools
Developer tools
Format data, convert JSON, YAML and CSV, and work with encoding, hashes and code in your browser.
Developer Tools
Tool catalog
JSON formatter and validator
Check JSON syntax, format it for reading, or compact it for copying.
02 / 15JSON to YAML
Convert a JSON value to readable YAML locally.
03 / 15YAML to JSON
Parse one YAML document safely and export its data as JSON.
04 / 15JSON to CSV
Turn an array of JSON objects into a CSV table.
05 / 15CSV to JSON
Parse CSV with quoted fields, selected delimiters and optional header rows.
06 / 15Base64 encoder and decoder
Encode Unicode text to Base64 or decode UTF-8 Base64 locally.
07 / 15URL component encoder and decoder
Encode or decode one URL component with percent encoding.
08 / 15HTML entities encoder and decoder
Convert text to HTML entities or decode entities without rendering HTML.
09 / 15JWT header and payload decoder
Inspect a token's header and payload locally without validating its signature.
10 / 15UUID generator
Generate version 4 UUIDs with the browser cryptographic API.
11 / 15Unix timestamp converter
Convert Unix timestamps in seconds or milliseconds to UTC dates, or convert a date with an explicit time zone to a Unix timestamp.
12 / 15Regular expression tester
Test a JavaScript regular expression against text and inspect its matches.
13 / 15SHA hash generator
Calculate SHA-256, SHA-384 or SHA-512 for text or a local file.
14 / 15CSS minifier
Reduce CSS size by removing unnecessary formatting and applying syntax-aware optimizations.
15 / 15SQL formatter
Format SQL for an explicitly selected supported dialect.