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JSON, SQL, regex, encoding and more — no sign-up required
Convert CSV data to JSON array
Convert XML to JSON format
Format and prettify XML strings
Prettify JSON data
Live JSON syntax checking
Convert JSON to CSV and back
Prettify SQL queries
Two-way live format converter between YAML and JSON
Generate signed JWT tokens
Base64 encode & decode
Encode & decode URLs
MD5, SHA-256 string hashing
Decode JSON Web Tokens
Generate v1 and v4 universally unique identifiers (UUID)
Hash passwords and verify against bcrypt strings securely
Test regular expressions with live matching
Search and replace text using regex patterns
Encode and decode HTML entities
Beautify and format JS, CSS, HTML, JSON code
Calculate Unix file permissions (rwx)
Generate cron scheduling expressions
Epoch <-> Human Date
Compare hashes of two files
Compare text differences
Live preview Markdown editor
Create custom QR codes instantly
Generate 1D barcodes like EAN, UPC, CODE128
Generate ObjectIds and decode creation timestamps natively
Scan and decode QR code images