Instrumenta Omnia
EN
Italiano English Español Français Deutsch

Base64 converter

Encode and decode UTF-8 text with standard Base64 or Base64url. Text up to 200,000 characters; Base64 strings up to 1 million. Binary files not supported.

Processed in your browserINSTRUMENTA OMNIA

Set your data

Set your data

Encode and decode UTF-8 text with standard Base64 or Base64url. Text up to 200,000 characters; Base64 strings up to 1 million. Binary files not supported.

Result

Enter your data and run the tool. Your result will appear here.

Data is processed only on this page and is not sent to the server. Reloading or navigating away clears it.

Aggregate statistics: we count uses without storing inputs, files or personal identifiers in the counters. Privacy

Formula and instructions

Base64 · RFC 4648

Encode and decode UTF-8 text with standard Base64 or Base64url. Text up to 200,000 characters; Base64 strings up to 1 million. Binary files not supported.

Sources and further reading

Frequently asked questions

Which formula does this tool use?

Base64 · RFC 4648 Encode and decode UTF-8 text with standard Base64 or Base64url. Text up to 200,000 characters; Base64 strings up to 1 million. Binary files not supported.

You might also need

View all

JSON formatter

Format or minify JSON while preserving numbers and duplicate keys. Browser processing: 1 million input characters, 100 nesting levels, 4 million output characters.

JSON validator

Validate JSON syntax and locate errors by line and column. Does not validate JSON Schema and allows duplicate keys. Up to 1 million characters and 100 levels.

Regex tester

Test JavaScript regex with groups and indices. Isolated worker, 1 second limit, 100,000 text characters, 1,000 results and 500,000 captured characters. Not PCRE.