Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to readable text in your browser.
Base64 conversion mode
Input
0 chars · 0 B
Advanced options
Output
0 chars · 0 B
What is a Base64 Encoder / Decoder?
A Base64 Encoder / Decoder converts text into Base64 text and can decode valid Base64 back into readable UTF-8 text. Base64 is useful for data transfer, API payloads, tokens, and quick development checks, but it is encoding, not encryption.
How It Works
Convert Base64 locally
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Choose a direction
Use Encode for plain text, or Decode for Base64 input.
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Paste text
Type or paste text and adjust URL-safe, padding, or whitespace options when needed.
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Copy or download
Use the live result, copy it, or export the text result as a TXT file.
Features
Built for practical Base64 work
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UTF-8 safe text
Handles Unicode, emojis, Arabic, Urdu, and line breaks.
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Text-only workflow
Encode and decode pasted text directly in the textarea.
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URL-safe Base64
Switch between standard and URL-safe Base64 formats.
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Padding control
Remove padding while encoding or ignore whitespace while decoding.
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Browser-only processing
Text stays on your device during conversion.
Frequently Asked Questions
Quick answers to common questions about using this tool.
Is Base64 encryption? +
No. Base64 is encoding, not encryption. Anyone can decode valid Base64 text.
Does this Base64 tool upload my text? +
No. Text encoding and decoding run in your browser during normal use.
Does it support Unicode and emojis? +
Yes. The tool uses UTF-8 safe encoding and decoding for Unicode text, emojis, and line breaks.
What is URL-safe Base64? +
URL-safe Base64 replaces characters that can be awkward in URLs, using hyphen and underscore instead of plus and slash.
Can I decode Base64 with spaces or line breaks? +
Yes. Enable Ignore whitespace in Advanced options when pasted Base64 contains formatting whitespace.