Base64 Encode / Decode
This free online base64 encode / decode encodes plain text into Base64 or decodes a Base64 string back into readable text. It runs instantly in your browser with no sign-up required.
Enter your value above and the result updates instantly. This tool is commonly used for working with data URIs, email attachments, and API payloads that require Base64 encoding.
Frequently Asked Questions
Is the base64 encode / decode free to use?
Yes, the base64 encode / decode on ConverterHub is completely free, with no sign-up or limits.
Does this tool store or send my data anywhere?
No. It encodes plain text into Base64 or decodes a Base64 string back into readable text entirely in your browser — nothing is uploaded to a server.