String Encoder
Encode text as Base64, URL-safe text, UTF-8 hexadecimal, or ROT13. Choose the settings that match your task, then run the tool again whenever you need a fresh result.
Encode text as Base64, URL-safe text, UTF-8 hexadecimal, or ROT13
Key capabilities
Prepare text for URLs or data exchange
Encode text as Base64, URL-safe text, UTF-8 hexadecimal, or ROT13
Inspect UTF-8 bytes as hexadecimal
The selected reversible transformation runs locally in the browser. UTF-8 bytes are preserved for Base64 and hexadecimal output, while URL encoding and ROT13 follow their standard text transformations.
Create reversible Base64 or ROT13 text
These formats are reversible encodings, not encryption. Do not use them to protect secrets, passwords, personal data, or credentials.
Randomness and data
The selected reversible transformation runs locally in the browser. UTF-8 bytes are preserved for Base64 and hexadecimal output, while URL encoding and ROT13 follow their standard text transformations.
Privacy
All tool data, including lists, settings, and recent results, is stored locally in this browser and is not uploaded to the cloud. Features that use an external service are identified separately.
Generator limits
These formats are reversible encodings, not encryption. Do not use them to protect secrets, passwords, personal data, or credentials.
Frequently asked questions
How do I use String Encoder?
Encode text as Base64, URL-safe text, UTF-8 hexadecimal, or ROT13
How is the result selected?
The selected reversible transformation runs locally in the browser. UTF-8 bytes are preserved for Base64 and hexadecimal output, while URL encoding and ROT13 follow their standard text transformations.
What should I check before using the result?
These formats are reversible encodings, not encryption. Do not use them to protect secrets, passwords, personal data, or credentials.
Are results stored?
All tool data, including lists, settings, and recent results, is stored locally in this browser and is not uploaded to the cloud. Features that use an external service are identified separately.