CCalcvers

Developer Tools calculators

Everyday utilities for developers: number bases, color conversion, byte sizes, timestamps and more.

Formatters & Encoders

JSON Formatter & Validator

Pretty-print, minify and validate JSON.

JSON Validator

Check whether JSON is valid and find the error.

Base64 Encoder / Decoder

Encode text to Base64 and back.

URL Encoder / Decoder

Percent-encode and decode URL components.

Unix Timestamp Converter

Convert timestamps to dates and back.

JWT Decoder

Decode JWT headers and payloads instantly.

Markdown Preview

Write Markdown and preview rendered HTML.

Regex Tester

Test regular expressions with live highlighting.

Generators

UUID Generator

Generate random v4 UUIDs instantly.

Password Generator

Create strong, random passwords.

QR Code Generator

Create QR codes from text or URLs.

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