Base64 Encode / Decode — Free
Encode text to Base64 or decode Base64 to text (UTF-8 safe). 100% in your browser — free, no sign-up.
- ✓Free
- ✓No sign-up
- ✓Runs in your browser — files never uploaded
- ✓No watermark
How to
- 1Pick Encode or Decode.
- 2Type or paste your text — it is processed in your browser, never uploaded.
- 3Copy the result.
What is Base64?
Base64 encodes binary or text data using only 64 safe characters, so it can travel through systems that expect plain text — like JSON, URLs, email, or HTML. It is an encoding, not encryption: it hides nothing, it just makes data safe to transport.
How it works here
Encoding and decoding run entirely in your browser and are UTF-8 safe, so accented characters and emoji round-trip correctly. Your text is never uploaded, so you can safely encode or decode sensitive values.
When to use Base64
Embed a small image or file in code as a data URI, store binary data in a JSON or XML field, decode a Base64 string from an API or config, or inspect the payload of a token. It is everywhere in web and API work.
Encoding is not encryption
Anyone can decode Base64 instantly — it provides no security. Use it to make data transport-safe, never to protect secrets. For confidentiality you need real encryption, not encoding.
FAQ
Is my data uploaded?+
No. Encoding and decoding run in your browser, so your text never leaves your device.
Does it handle accents and emoji?+
Yes. It is UTF-8 safe, so non-ASCII characters and emoji encode and decode correctly.
Is Base64 a form of encryption?+
No. Base64 is encoding, not encryption — anyone can decode it. Use it to make data transport-safe, never to protect secrets.
What is Base64 used for?+
Embedding images as data URIs, storing binary data in JSON or XML, and moving data through text-only channels like email or URLs.
Is it free?+
Yes, completely free — no sign-up and no watermark.
Is my data private?+
Yes — this tool runs entirely in your browser. Your files and text are never uploaded.