Developer tools
Technical utilities for formats, structured data, validation, transformation and diagnostics.
Tools
Tools available in this category.
JSON formatter and validator
Validate JSON syntax, pretty-print content using 2 or 4 spaces, or produce a minified representation.
URL encoder and decoder
Encode and decode URL components with deterministic UTF-8 percent-encoding.
Base64 encoder and decoder
Encode UTF-8 text as standard Base64 or decode valid Base64 back to text.
UUID generator and validator
Generate random UUID v4 values or validate and normalize an existing UUID.
SHA-256 and SHA-512 hash generator
Compute SHA-256 or SHA-512 digests of UTF-8 text as lowercase hexadecimal.
Unix timestamp converter
Convert Unix seconds to ISO-8601 UTC and offset-aware ISO-8601 dates to Unix timestamps.
Text case converter
Convert text to lower, UPPER, Title, snake_case, kebab-case or camelCase.
HTML entity encoder and decoder
Encode characters as HTML entities or decode entity references back to text.
Number base converter
Convert signed integers between bases 2, 8, 10 and 16 with canonical output.