JSON formatters, encoders, UUID generators, and other utilities for developers.
9 free tools in this category
Beautify or minify JSON with clear validation errors.
Developer Tools
Validate JSON syntax and inspect key counts instantly.
Developer Tools
Encode and decode Base64 strings with proper UTF-8 support.
Developer Tools
Encode and decode URL query strings and path segments safely.
Developer Tools
Generate RFC 4122 version 4 UUIDs in bulk, instantly.
Developer Tools
Convert Unix timestamps to dates and back using your local timezone.
Developer Tools
Test regular expressions with live matches, indices, and capture groups.
Developer Tools
Convert CSV to JSON and JSON to CSV privately in your browser.
Developer Tools
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text in your browser.
Developer Tools
ToolVera currently offers 9 developer tools, including JSON Formatter, JSON Validator, Base64 Encoder Decoder. New tools are added regularly.
Yes. Every tool in this category is free to use in your browser with no signup required.
Most tools process data locally in your browser for privacy and speed. Check each tool page for details.
