Developer utilities

Useful everyday helpers for file verification, URLs, JSON, and encoding.

15 tools

Available tools

Straightforward tools for exact technical tasks.

Python source to HTML documentExport escaped Python source as an HTML document.Developer utilities Python source to MarkdownWrap Python source as a Markdown code block.Developer utilities Python to Mermaid flowchart outlineGenerate an editable, approximate Mermaid outline from Python control statements.Developer utilities SHA-512 file checksumCalculate a SHA-512 checksum of a local file.Developer utilities SHA-1 file checksumCalculate legacy SHA-1 checksums for file comparisons; not recommended for security.Developer utilities File to Base64Convert a small local file into Base64 text.Developer utilities Base64 to fileDecode Base64 text into a downloadable binary file.Developer utilities UUID v4 generatorGenerate cryptographically random version 4 UUIDs.Developer utilities Random password generatorGenerate strong random passwords locally.Developer utilities URL query parameter parserParse a URL and display its decoded query parameters as JSON.Developer utilities Unix timestamp converterConvert Unix timestamps to ISO dates or dates to timestamps.Developer utilities JSON formatter & validatorValidate JSON, format it with indentation or minify it into a single line.Developer utilities URL encoder & decoderPercent-encode or decode URL component text using standard URI component rules.Developer utilities Base64 text encoder & decoderEncode UTF-8 text to Base64 or decode Base64 back to Unicode text.Developer utilities SHA-256 file checksumCalculate the SHA-256 fingerprint of a local file for integrity checking.Developer utilities