Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to text.
Use Base64 Encoder / Decoder
How to use this tool
- Enter or select the required input.
- Choose any options that apply to your task.
- Run the tool and review the result before downloading or copying it.
Inputs stay in this browser. Core processing stays in your browser; continued use may require a free account depending on access settings.
About Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to text.
This free online developer tools tool is designed for quick browser-based use on desktop and mobile. Review the result before using it for important financial, legal, medical, or professional decisions.
Frequently asked questions
Is Base64 Encoder / Decoder free?
Yes. The core Costovia tool is free to use and offers guest access; the site owner can require a free account after the guest limit.
Does this work on a phone?
Yes. The interface is responsive and is designed for modern mobile and desktop browsers.
Can Costovia guarantee a specific professional or financial outcome?
No. Calculators and converters provide computed results from your inputs; estimates should be checked against authoritative or local sources when the decision is important.