# Base64 encoder decoder

> Encode or decode UTF-8 text as Base64.

[Open tool](https://www.toolcabana.com/da/base64) · [Udvikling og data](https://www.toolcabana.com/da/category/developer-and-data)

Tool ID: base64. Requested language: da. Description language: en. Complete guide translation: no; untranslated sections use English.

## Supported tasks (en)

Encode or decode UTF-8 text as Base64.

## Steps (en)

1. Type or paste your source, or load an example.
2. Change the basic settings or open Advanced mode to fine-tune the result.
3. Review and copy or download your result. Pause Live results to run manually. Sources or individual settings above 20,000 characters require an explicit run.

## Settings

- Decode (en; key: decode; type: checkbox)
- URL-safe Base64 (en; key: urlSafe; type: checkbox)

## Limitations (en)

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.

## Example input

```text
Hello ToolCabana
```

## Privacy and connections (en)

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

## Questions (en)

### What does base64 encoder decoder do?

Encode or decode UTF-8 text as Base64.

### Where is my input processed?

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

### What are the input limits?

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.

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