Base64 to Text
Decode a Base64 string to text. Base64 shows up everywhere in web development — API tokens, embedded images, JWT payloads — but it's not meant to be read directly. Paste any Base64 string and get the original text instantly, without writing a script or opening a terminal.
Base64 is not encryption
Base64 is an encoding format, not encryption. It converts binary or text data into ASCII characters so it can be transmitted safely in emails, APIs, JSON, HTML, and other text-based formats. Decoding simply restores the original data.
How it works
1
Paste
Your Base64 string
2
Decode
Decoding is instant
3
Copy
Get the text
Features
UTF-8 output
— accents and special characters are restored correctly.Instant
— the result appears as you type.Error detection
— an invalid Base64 string is clearly flagged.Common use cases
Reading the payload of a JWT token
Decoding an API response or authorization header
Inspecting a data URI, like a base64-embedded image
Debugging encoded strings during development
Your data stays private
This runs entirely in your browser. The text you paste is never sent anywhere, and nothing is stored.
Frequently asked questions
Why "invalid Base64"?
The input is not valid Base64 (illegal characters or wrong length).
Are accents restored?
Yes, the result is interpreted as UTF-8.
Is my data sent online?
No, decoding is 100% local.
Is there a length limit?
No fixed limit — it depends on your browser's available memory.
Can I copy the result easily?
Yes, a one-click copy button is included.
Do I need to install anything?
No, it works directly in your browser.
Is it free?
Yes, with no account required.