🧰 Developer Toolbox

15+ integrated developer utilities, pure front-end implementation, your data stays secure

🔤 Base64 Encode/Decode

Original Text

Base64 Result

🔗 URL Encode/Decode

Original Text

Encoded Result

📝 HTML Entity Conversion

Original Text

Converted Result

🈯 Unicode Conversion

Original Text

Converted Result

📊 Text Diff

Text 1

Text 2

{ } JSON Formatter

Input JSON

Formatted Result

🔐 JWT Parser

JWT Token

Parsed Result

🆔 UUID Generator

Count

Generated UUIDs

⏰ Timestamp Converter

Current DateTime String

Timestamp (ms)

Timestamp (s)

Timestamp → Date

Date → Timestamp

Select DateTime

Or Enter Date String

⏱️ Time Difference Calculator

Start Time

End Time

🔒 Hash Generator

Input Text

📱 QR Code Generator

Input Text or URL

📷 QR Code Decoder

Click or drag image here

Supports JPG, PNG format QR code images

🔍 Regular Expression Tester

Regular Expression

g (global) i (ignore case) m (multiline)

Test Text

Common Regex Library

🎨 Color Converter

HEX

RGB

HSL

🔢 Base Converter

Input Number