Text
Base64 Text Encoder
Encode plain text to Base64 or decode Base64 back to readable UTF-8 text. Bidirectional with copy support.
Plain text
Output
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Frequently Asked Questions
Quick answers to common questions
Does this support Unicode and emoji?+
Yes. Encoding uses TextEncoder for proper UTF-8 bytes before Base64, so emoji and non-Latin scripts work correctly.
How is this different from the developer Base64 tool?+
This tool focuses on plain text encode/decode. The developer tool also supports file uploads, URL-safe variants, and image preview.
Can I decode invalid Base64?+
Invalid or corrupted Base64 shows an error instead of garbled output.
Is my text uploaded?+
No. All encoding and decoding runs entirely in your browser.
What padding does Base64 use?+
Standard Base64 with = padding as produced by btoa.
Can I copy the output?+
Yes. Use the Copy output button after encoding or decoding.
Large text support?+
Browser memory is the only limit — no server size cap.
Is this free?+
Yes. No signup required.