What does the Base64 Encode / Decode work out?

Convert text to and from Base64. It is one of the Everyday & Tech tools on Mondo Knows.

How is the Base64 Encode / Decode calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Base64 Encode / Decode

Convert text to and from Base64. Use the free base64 encode / decode below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Mode

Text

Mondo says

Result

TW9uZG8ga25vd3MgdGhpbmdz

Characters24

Base64 Encode / Decode: common questions

What does the Base64 Encode / Decode work out?: Convert text to and from Base64. It is one of the Everyday & Tech tools on Mondo Knows.
How is the Base64 Encode / Decode calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

URL Encode / DecodePercent-encode or decode a URL or parameter.🧭 Everyday & Tech Bandwidth CalculatorDownload time from file size and speed.🧭 Everyday & Tech BTU CalculatorHeating or cooling capacity for a room.🧭 Everyday & Tech Concrete CalculatorCubic yards of concrete for a slab.🧭 Everyday & Tech

Facts that connect to the base64 encode / decode

Short, sourced facts that point back to this tool.

Unicode assigns unique digital codes for over 140,000 characters worldwideThe Unicode Consortium created a universal character set supporting every written language

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.