Base64 Encode / Decode
Encode and decode Base64 text and files (data URIs) instantly in your browser.
🔒 Runs entirely in your browser — nothing you enter is sent to our servers.
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Frequently asked questions
What is Base64 used for?
Representing binary data as safe ASCII text — embedding images in CSS/HTML as data URIs, API payloads, email attachments and basic auth headers.
Need something custom-built?
This free tool was built by the Ceygate Solutions engineering team. We build ERP systems, websites, mobile apps and security solutions for businesses like yours.
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