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Home > Tools > Text Tools > Base64 Encoder & Decoder

Base64 Encoder & Decoder

Encode text or files to Base64 format and decode Base64 back to original content. Supports UTF-8 encoding, URL safety, and file conversion with real-time preview.

Encode to Base64 Secure

Click to upload a file
or drag and drop (Max 5MB)
0 characters

Decode from Base64

Upload Base64 text file
.txt files containing Base64
0 characters

Secure Encoding

Encode sensitive data securely with URL-safe Base64 encoding option. Perfect for data transmission and storage in web applications.

File Support

Upload and encode files up to 5MB directly in your browser. Supports images, documents, and other binary file types.

UTF-8 Compatible

Full UTF-8 character support for encoding and decoding. Properly handles emojis, international characters, and special symbols.

How to Encode to Base64

  1. Enter text or upload a file
  2. (Optional) Select URL-safe or MIME options
  3. Click "Encode to Base64"
  4. Copy or download the result

Files are processed locally, no data is uploaded.

How to Decode Base64

  1. Paste Base64 string or upload a .txt file
  2. (Optional) Enable binary detection
  3. Click "Decode from Base64"
  4. View decoded text or download as file

Binary data is detected and can be saved.

Frequently Asked Questions

Is this Base64 encoder/decoder free?
Yes, absolutely! The tool is completely free to use with no hidden charges. All features are available for everyone.
Is my data stored?
No. All encoding and decoding happens locally in your browser. We do not store, upload, or share any data you enter or upload. Your privacy is fully protected.
Can I use it for commercial purposes?
Yes, you can use the tool for commercial projects, including encoding product data or handling API payloads. The tool itself is free.
What is URL‑safe Base64?
Standard Base64 uses characters like +, / and = which may cause issues in URLs. URL‑safe encoding replaces + with -, / with _, and removes padding, making it safe for query parameters.
Does it support binary files (images, PDFs)?
Yes. You can upload files up to 5MB. The tool will encode them to a Base64 string. When decoding, if binary data is detected, you can download it as a file.
How do I decode a Base64 string?
Simply paste the Base64 string into the decode textarea and click "Decode from Base64". If the result is binary, a download button will appear.

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