Encode or decode Base64 instantly
Convert plain text into Base64 or decode Base64 back to readable text directly in your browser. This is useful for quick debugging, API payload checks, and data URI workflows.
How to use this Base64 encoder and decoder
Keep the instructional content close to the tool so both users and search engines can understand the task, inputs, and expected output.
1. Paste your text or Base64 string
Choose the correct tab first, then paste raw text for encoding or a Base64 value for decoding.
2. Run the conversion
Use the action button to generate a clean result instantly without sending your data to a backend service.
3. Copy the output
Copy the converted value for use in APIs, HTML embeds, configuration files, or troubleshooting workflows.
Common Base64 use cases
Supporting content like this helps clarify search intent around encoding, decoding, and data transformation.
Encoding text for transport
Base64 is often used when binary-safe transport matters, such as JSON payloads, email bodies, or basic auth debugging.
Decoding existing Base64 values
Decode tokens, configuration snippets, or sample payloads to quickly inspect the original text without switching tools.
Working with data URIs
Base64 output is useful when you need inline assets for prototyping, CSS, HTML emails, or embedded image previews.
Privacy-first debugging
Because the conversion runs in the browser, you can inspect values without routing them through a third-party API.
Base64 FAQ
Is Base64 encryption?
No. Base64 is an encoding format, not an encryption method. It makes data portable, but it does not secure sensitive information on its own.
Can I decode any Base64 string?
You can decode well-formed Base64 strings. If the value is malformed or missing padding, the decoder may return an error.
Does this tool upload my data?
No. The conversion happens in the browser, which makes it suitable for quick, privacy-first encoding and decoding tasks.