Input and result
Use TEXT input to produce TEXT. Encode UTF-8 text as a Base64 string in your browser. Copy the reversible text representation or download it without sending the source anywhere.
All toolsBase64 Encode · Free online tool
Base64 Encode online
Encode UTF-8 text as a Base64 string in your browser. Copy the reversible text representation or download it without sending the source anywhere.
Local processingNo uploadNo watermark
Browser processing ready
Three simple steps
How to use the Base64 Encode tool
No software, signup or hand-holding required.
01
Enter your data
Paste the text or structured data you want to process.
02
Adjust and process
Choose useful settings, then let your browser create the result.
03
Download instantly
Review the output and save one file or the complete batch.
What to expect
A focused Base64 Encode workflow
Practical limitation
The current workspace accepts up to 1 file, with a 100 MB limit per file.
Common questions
Good to know
Answers specific to this tool and its current capabilities.
What is Base64 encoding commonly used for?+
It represents bytes as plain ASCII text for data URLs, APIs and text-only transport formats.
Does Base64 encoding encrypt my text?+
No. Base64 is reversible encoding and provides no secrecy or password protection.
Why does Base64 make the result longer?+
Encoding groups three input bytes into four text characters, adding roughly one-third overhead.