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Base64 Encode & Decode Tool (Free Online)
Free online Base64 encoder and decoder. Convert text or files to Base64 and back. Supports UTF-8 strings and binary data.
developerFree · No signup · 100% browser-based
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Frequently Asked Questions
What is Base64 encoding?+−
Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It's widely used in email attachments, data URLs, and API authentication.
Is Base64 the same as encryption?+−
No. Base64 is encoding, not encryption. It's easily reversible and provides no security. Never use it to hide sensitive data.
Can I encode files with this tool?+−
Yes. Use the "File" tab to upload any file and get its Base64 representation, useful for embedding images in CSS or HTML.
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About Base64 Encode / Decode
Free online Base64 encoder and decoder. Convert text or files to Base64 and back. Supports UTF-8 strings and binary data.
This tool works entirely in your browser — no server uploads, no account required. Your data stays on your device at all times.
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