JSON Formatter
Pretty-print, minify and validate JSON.
Developer tools
Format, validate, encode and generate. Your code and tokens never hit a server.
15 tools · no watermark · 5 free a day
J6P
JSON Formatter
Pretty-print, minify and validate JSON.
Developer B6QBase64 Encode / Decode
Convert text to and from Base64.
Developer J6RJWT Decoder
Inspect the header and payload of a token.
Developer U6SUUID Generator
Random v4 UUIDs, as many as you need.
Developer H6THash Generator
SHA-256, SHA-1 and SHA-512 of any text.
Developer R6URegex Tester
Test a pattern against text and count matches.
Developer U6VURL Encode / Decode
Percent-encode URLs and query values.
Developer T6WTimestamp Converter
Unix time to human dates and back.
Developer X6XXML Formatter
Pretty-print or minify XML in the browser.
Developer H6YHTML Formatter
Indent and tidy HTML, or minify it.
Developer C6ZCSS Formatter
Beautify or minify CSS with clean indentation.
Developer S70SQL Formatter
Lay out SQL with uppercased keywords and line breaks.
Developer C71Cron Expression Generator
Build a cron schedule and read it in plain English.
Developer C72Credit Card Validator
Check a card number with Luhn and detect its brand.
Developer I73IBAN Validator
Validate an IBAN's structure and mod-97 check digits.
Developer
Category guide
How to use Developer tools well
Developer utilities should be fast, predictable and local. Format data, decode tokens, generate IDs or test patterns without pasting sensitive work into a heavy external tool.
Base64 Encode / Decode
Convert text to and from Base64.
JWT Decoder
Inspect the header and payload of a token.
UUID Generator
Random v4 UUIDs, as many as you need.
Hash Generator
SHA-256, SHA-1 and SHA-512 of any text.
Regex Tester
Test a pattern against text and count matches.
Choosing the right tool
- Use formatters before committing structured data.
- Use encoders, hashers and validators for quick checks while debugging.
- Avoid pasting secrets into any web tool unless the page clearly runs locally.
Before you start
Open the tool page, read the short limits section, then run a small file or simple example first. That keeps the job predictable and makes the final download easier to trust.
Common Developer questions
Are Developer tools private?
Most Vootkit tools run in your browser, and each individual page says when a tool needs a network request. Files handled locally never leave your device.
Do I need to install anything?
No. Vootkit tools are built for modern browsers, so you can open the page, complete the task and download the result without installing desktop software.
Why do some tools say coming soon?
Vootkit keeps planned tools visible for roadmap context, but they are not presented as finished features. Live tools have working pages and are included in the sitemap.