Developer Utilities
JSON Formatter/Validator
JSON Input:
Format & Validate
Formatted JSON:
Base64 Encoder/Decoder
Text to Encode:
Encode
Base64 Encoded:
Decode
Decoded Text:
Binary/Decimal/Hex Converter
Decimal:
Binary:
Hexadecimal:
Convert All
Password Generator
Length:
Lowercase (a-z)
Uppercase (A-Z)
Numbers (0-9)
Symbols (!@#$...)
Generate Password
Generated Password:
Copy to Clipboard
Epoch Converter
Epoch Timestamp:
Convert to Date
Date String:
Convert to Epoch
Result:
UUID Generator
UUID Type:
UUID4 (Random)
UUID1 (Time-based)
Generate UUID
Generated UUID:
Copy to Clipboard
Hash Generator
Text to Hash:
Hash Type:
MD5
SHA1
SHA256
SHA512
Generate Hash
Generated Hash:
Copy to Clipboard
QR Code Generator
Text/URL for QR Code:
Generate QR Code
Generated QR Code:
Download QR Code
Colour Picker/Converter
Pick Colour:
Hex:
RGB:
HSL:
Convert Colour
Colour Preview:
Cron Expression Parser
Cron Expression:
Common Examples:
9 AM weekdays
Midnight Sunday
Every 15 min
2 AM 1st of month
Parse Expression
Description:
Next 5 Run Times:
Regex Tester
Regular Expression:
Flags (optional):
i=ignore case, m=multiline, s=dotall, x=verbose
Test String:
Test Regex
Matches:
Markdown to HTML Converter
Markdown Input:
Convert to HTML
HTML Output:
HTML Preview:
Copy HTML
Date Calculator
Add/Subtract Days
Base Date:
Days to Add/Subtract:
Calculate Date
Result Date:
Days Between Dates
Start Date:
End Date:
Calculate Days Between
Result:
Working Days Calculator
Start Date:
End Date:
Exclude Weekends
Holidays to Exclude (one per line, YYYY-MM-DD format):
Calculate Working Days
Result: