Base64 Converter
Encode and decode text and files to/from Base64 format with image preview, download options, and instant conversion.
Instant Conversion
Encode and decode Base64 in milliseconds
File Support
Encode images and files with preview capabilities
100% Secure
All processing happens locally - nothing stored online
Key Features
- Encode text to Base64 format
- Decode Base64 strings to text
- Upload and encode image files
- Image preview for encoded files
- Download decoded results
- Copy encoded/decoded output instantly
- Support for PNG, JPG, GIF, and more
- Large file handling
- Error detection and validation
- Dark mode support
What You Can Do
Encode Text
Convert any text string to Base64 format
Encode Images
Upload images and get Base64 data URIs
Decode Base64
Convert Base64 strings back to readable text
Preview Images
See decoded images before downloading
Copy Output
One-click copy of encoded or decoded results
Download Files
Download decoded results as files
What Is a Base64 Converter?
A Base64 converter is a tool that allows you to encode text or files into Base64 format and decode Base64 strings back to readable text or files. ALGODETA's Base64 Converter provides instant conversion, image previews, and download options, all directly in your browser for maximum privacy.
How Does the ALGODETA Base64 Converter Work?
Simply paste your text or upload a file to encode it into Base64. For decoding, paste a Base64 string to convert it back into readable text or an image/file. You can preview images, copy results with one click, and download outputs instantly. All processing is done locally to keep your data private.
Why Use an Online Base64 Converter?
Base64 converters are useful for developers, designers, and anyone working with binary data. Using an online converter helps you:
- Quickly encode text or files to Base64
- Decode Base64 strings safely in your browser
- Preview images before downloading
- Handle various file types efficiently
- Keep all data private with client-side processing
Key Benefits of ALGODETA Base64 Converter
- Instant Conversion: Encode or decode Base64 in milliseconds.
- Text & File Support: Handle text and image files with previews.
- One-Click Copy: Copy encoded or decoded output quickly.
- Download Options: Download decoded files safely.
- Image Preview: Check images before saving.
- Supports Multiple Formats: PNG, JPG, GIF, BMP, WebP, and more.
- Private & Secure: All processing happens in your browser.
- Dark Mode Support: Comfortable UI in any theme.
Who Should Use This Base64 Converter?
Ideal for:
- Developers encoding or decoding API data
- Designers embedding images in HTML/CSS
- Students and educators learning Base64 encoding
- Anyone needing fast and private Base64 conversion
Common Use Cases
- Encoding text or files for transmission over text protocols
- Decoding Base64 strings from APIs or web applications
- Embedding images directly in HTML or CSS
- Previewing and saving Base64-encoded images
- Testing Base64 encoding and decoding in development
Step-by-Step Guide to Encode or Decode Base64
- Paste your text or upload a file to encode.
- View the Base64 output instantly.
- For decoding, paste a Base64 string or file.
- Preview the result (image or text) before saving.
- Copy the result using one-click copy or download as a file.
- Use the tool for quick, secure, and local Base64 conversion.
Is the ALGODETA Base64 Converter Secure?
Absolutely. All encoding and decoding happens entirely in your browser. No data is transmitted or stored online, ensuring complete privacy and security for your files and text.
Frequently Asked Questions
Is the Base64 converter free?
Yes, completely free! There are no hidden fees, no sign-up required, and no limitations.
Do you store my files or data?
No. All encoding and decoding happens entirely in your browser. Your data never leaves your device.
What is Base64 encoding used for?
Base64 is commonly used for embedding images in HTML/CSS, transmitting binary data over text protocols, and encoding API data.
Can I encode large files?
Yes, but very large files may take time to process. Base64 encoding increases file size by about 33%.
What image formats are supported?
The converter supports all common image formats including PNG, JPG, JPEG, GIF, BMP, and WebP.
Can I decode Base64 images?
Yes! Paste a Base64 image string in the decode tab to preview and download the original image.
Ready to Convert Base64?
Get started in seconds with our intuitive Base64 converter