JSON formatter & validator
Format, beautify, validate, and minify JSON online. Pinpoint syntax errors by line and column, sort keys, and copy or download the result.
Format and beautify SQL queries for MySQL, PostgreSQL, SQL Server, SQLite, BigQuery, and more. Choose keyword case and indentation.
Paste a messy or one-line query to format SQL into clean, readable code. Pick your database dialect so syntax like backtick identifiers, :: casts, or TOP is handled correctly.
SQL formatter is a free online tool on ReallyUseful.Tools. No account is required.
SQL formatter is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
Format, beautify, validate, and minify JSON online. Pinpoint syntax errors by line and column, sort keys, and copy or download the result.
Pick a color and convert between HEX, RGB, HSL, HSV, and CMYK. See tints, shades, and contrast ratios against black and white.
Encode text to Base64 or decode Base64 back to text with full UTF-8 support and an optional URL-safe alphabet.
Convert Unix epoch timestamps to human-readable dates and back. Supports seconds and milliseconds, local time, UTC, and ISO 8601.
Generate MD5, SHA-1, SHA-256, SHA-512, SHA3, and CRC32 hashes for text or files. Verify checksums and create HMACs locally.