Developer Tools

Format and beautify minified JSON with proper indentation.

Validate JSON and pinpoint syntax errors instantly.

Strip whitespace from JSON to shrink payload size.

Convert a JSON array of objects into CSV format.

Convert CSV data with headers into a JSON array.

Encode any text to Base64 (Unicode-safe).

Decode Base64 strings back to readable text.

Escape HTML special characters into safe entities.

Convert HTML entities back to readable characters.

Generate the MD5 hash of any text.

Generate the SHA-1 hash of any text.

Generate the SHA-256 hash of any text.

Generate the SHA-512 hash of any text.

Calculate the CRC32 checksum of any text.

Generate a secure bcrypt hash for passwords.

Generate the Whirlpool hash of any text.

Convert JSON into PHP serialized format.

Convert all applicable characters to HTML entities (server-grade).

Generate random version-4 UUIDs.

Decode a JWT and inspect its header and payload (no verification).

Convert text into hexadecimal byte values.

Convert hexadecimal byte values back to text.

Apply the classic ROT13 letter substitution cipher.

Encrypt or decrypt text with a Caesar shift cipher.

Minify HTML by removing comments and extra whitespace.

Minify CSS to reduce stylesheet size.

Light-minify JavaScript by stripping comments and whitespace.

Format SQL queries with keywords on new lines.

Convert Unix timestamps to dates and back.

Convert colors between HEX, RGB and HSL.

Test regular expressions against sample text and see matches.

Convert Markdown to HTML and preview the output.

Validate and analyze IPv4 addresses.

Check card numbers with the Luhn algorithm and detect the card type.

Generate 301 redirect rules for .htaccess.