Can this tool detect invalid JSON?
Yes. It reports syntax errors and keeps the original input untouched.
Developer Friendly Pretty Printer
Paste raw JSON and instantly beautify it for easier debugging and API work. The formatter validates syntax and highlights invalid input.
Yes. It reports syntax errors and keeps the original input untouched.
No. Parsing runs locally in your browser for privacy.
Base64 Encoder Decoder
Encode text to Base64 or decode Base64 back to readable text.
Unix Time Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
UUID Generator
Generate secure UUID v4 values instantly for databases, APIs, and testing.
Password Generator
Generate strong passwords with custom length and character rules.
URL Encoder Decoder
Encode URL components and decode percent-encoded URLs instantly.
HTML Entity Encoder Decoder
Encode special HTML characters or decode HTML entities back to text.