Base64 Encoder/Decoder

Convert text, images, and files to and from Base64 encoding

Powerful Base64 converter for encoding and decoding text, images, and files. Perfect for web development, API integration, and data transmission.

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Powerful Features

Everything you need in one simple tool

Text Encoding

Convert plain text to Base64 and decode Base64 strings back to text instantly.

Image Conversion

Encode images to Base64 data URIs for embedding in HTML, CSS, or JSON.

File Support

Handle any file type - documents, PDFs, archives, and more.

URL Safe Encoding

Generate URL-safe Base64 strings for use in web applications.

Download Results

Save encoded or decoded content as files with proper formatting.

Why Choose Our Base64 Encoder/Decoder?

Free and unlimited conversions

No file size restrictions

Client-side processing for privacy

Support for all file types

Instant encoding and decoding

Copy to clipboard functionality

No registration required

Works offline after loading

Perfect For

See how our tool can help you

Web Developers

Embed images directly in HTML/CSS without external files using data URIs.

API Integration

Encode binary data for transmission through JSON APIs and webhooks.

Email Templates

Include images inline in HTML emails without attachments.

Data Storage

Store binary data in databases that only support text fields.

Security Testing

Decode Base64 strings found in logs or network traffic for analysis.

Configuration Files

Encode sensitive data or certificates in configuration files.

Frequently Asked Questions

What is Base64 encoding?

Base64 is a method of encoding binary data into ASCII text format, making it safe to transmit through systems that only support text.

Is there a file size limit?

No, there are no file size limits. However, very large files may take longer to process depending on your device.

Is my data secure?

Yes! All processing happens locally in your browser. Your files are never uploaded to our servers.

What file types are supported?

All file types are supported including images (JPG, PNG, GIF), documents (PDF, DOC), and any other binary files.

Can I decode any Base64 string?

Yes, you can decode any valid Base64 encoded string, whether it contains text, images, or other binary data.

Ready to Get Started?

Start using our free base64 encoder/decoder tool today. No sign-up required.