Universal String Decoder

String Decoder

Decode, convert, and analyze text in multiple formats. Support for Base64, URL encoding, JWT tokens, JSON, and many more formats.

Input Text

Characters: 0 | Lines: 1

💡 Supported Formats

Encoding Formats

• Base64 (with various character sets)
• Base32 (RFC variants)
• Base16/Hexadecimal
• URL/Percent encoding
• HTML entities

Data Formats

• JWT token analysis
• JSON pretty printing
• Hash verification
• Unicode/ASCII conversion
• Binary representation

Text Operations

• ROT13 cipher
• Case conversion
• Character encoding detection
• String analysis
• Copy to clipboard

Decode Results

Select a decoder type to see the results. Each tab shows different decoding methods and formats.

Enter some text above to see Base64 decoding results

Frequently Asked Questions

Get answers to commonly asked questions

String Decoder

Input Text

💡 Supported Formats

Encoding Formats

Data Formats

Text Operations

Decode Results

Frequently Asked Questions

What is string decoding and why is it needed?

What is Base64 encoding and when should I use it?

How can I identify what type of encoding my string uses?

What are JWT tokens and how do I decode them safely?

Why does my URL encoding/decoding result look wrong?

What are HTML entities and when are they used?

Is it safe to decode unknown strings or tokens?

Why do some characters appear as question marks or strange symbols?

What's the difference between encoding, encryption, and hashing?

Can I use this tool for sensitive or confidential data?

String Decoder

Input Text

💡 Supported Formats

Encoding Formats

Data Formats

Text Operations

Decode Results

Frequently Asked Questions

What is string decoding and why is it needed?

What is Base64 encoding and when should I use it?

How can I identify what type of encoding my string uses?

What are JWT tokens and how do I decode them safely?

Why does my URL encoding/decoding result look wrong?

What are HTML entities and when are they used?

Is it safe to decode unknown strings or tokens?

Why do some characters appear as question marks or strange symbols?

What's the difference between encoding, encryption, and hashing?

Can I use this tool for sensitive or confidential data?