Tools for people who work with code and web pages. Each shows its result while you type and explains an error in plain words when the input is not valid.
Encode, Hash & Code
Encode and decode text, make hashes, minify or beautify code and test regular expressions.
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Encode, Hash & Code 16
Base64 Encode and Decode
Encode text or a file to Base64, or decode Base64 back to readable text.NewURL Encode and Decode
Encode text for use in a URL, or decode percent-encoded addresses into readable text.NewHTML Encode and Decode
Convert characters such as < > & to HTML entities, or turn entities back into characters.NewHash Generator
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or a file.NewHTML Minifier and Beautifier
Minify HTML by removing comments and spare whitespace, or beautify it with clean indentation.NewCSS Minifier and Beautifier
Minify CSS to cut file size, or beautify it into readable, indented rules.NewJavaScript Minifier and Beautifier
Minify JavaScript with Terser, or beautify compressed code into readable form.NewRegex Tester
Test a regular expression against your text, see matches and groups highlighted, and try a replacement.NewSQL Formatter
Format a SQL query with line breaks, indentation and consistent keyword case.NewXML Formatter
Indent XML so it can be read, check that it is well-formed, or minify it to one line.NewJSON to TypeScript
Turn a JSON sample into TypeScript interfaces or types.NewEncrypt and Decrypt Text
Encrypt text with a password using AES-256, and decrypt it again with the same password.NewCaesar Cipher
Shift every letter by 1 to 25 places: the Caesar cipher, including ROT13.NewText to Binary Converter
Convert text to binary, hex, decimal or octal byte codes, and back to text.NewJWT Decoder
Decode a JSON Web Token to see its header, payload and expiry date.NewCron Expression Explainer
Type a cron expression and read in plain English when it runs, with the next five run times.New