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Base64 to Image Converter

Decode Base64 text strings back into visible image files instantly.

Paste Base64 String

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Image will appear here

Paste a string to start decoding

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Base64 to Image Converter: Decode and Visualize Instantly

Welcome to Texterfly's Base64 to Image Decoder, the fastest and most secure way to convert Base64 strings back into viewable image files. Whether you are debugging database entries, testing API responses, or recovering assets from JSON files, our tool provides an instant visualization of your data without any software installation.

Simply paste your string, and we will handle the rest—decoding standard formats like PNG, JPG, GIF, WebP, and SVG instantly in your browser.

How to Convert Base64 Strings to Images

Follow these simple steps to decode your data:

  1. Paste the String: Copy your Base64 code (e.g., from a database BLOB or API response) and paste it into the large text area on the left.
  2. Automatic Detection: The tool will automatically detect if your string is a valid Data URI (starts with data:image...).
  3. Handle Raw Strings: If you pasted a raw string (without headers), use the "Force Format" dropdown to select the correct image type (e.g., PNG or JPG) to render it correctly.
  4. Clean Errors: If the image doesn't appear, click the Clean String button to remove accidental whitespace or newlines often added by terminals or email clients.
  5. Download: Once the preview appears, click Download to save the file to your computer or Copy Image to paste it directly into another application.

Key Features & Supported Formats

Our tool is built for developers and designers who need precision and privacy.

Supported Image Formats

  • PNG: Best for transparent backgrounds and lossless quality.
  • JPEG (JPG): Ideal for photographs and smaller file sizes.
  • SVG: Full support for Scalable Vector Graphics (perfect for icons).
  • WebP: Modern compression for web-optimized assets.
  • GIF: Supports animated Base64 strings.

Developer Tools

  • Resolution Checker: Instantly see the Width x Height of the decoded image.
  • File Size Calculator: See exactly how large the image is in KB/MB.
  • MIME Type Detection: Identify if the data is a png, jpeg, or svg.
  • Client-Side Privacy: Your data never leaves your browser.

Understanding the Data URI Scheme

A Data URI (Uniform Resource Identifier) is a method for including data in-line in web pages as if they were external resources. The syntax is:

data:[<media type>][;base64],<data>

Breakdown:

  • data: - The protocol.
  • image/png - The MIME type, telling the browser what kind of file it is.
  • ;base64 - Indicates the encoding method.
  • <data> - The actual encoded string.

Troubleshooting: Why is my image broken?

If you see a broken image icon, check these common issues:

  • Missing Header: Raw Base64 strings (iVBOR...) won't display in a browser without the data:image... prefix. Use our dropdown to force the format.
  • Corrupted Padding: Base64 strings must have a length divisible by 4. If characters were cut off, the image cannot be decoded.
  • Whitespace: Copying from a terminal or PDF often inserts newlines (\n). Use our Clean String button to remove them.

Frequently Asked Questions (FAQ)

How do I verify if a Base64 string is an image?

The easiest way is to paste it into this tool. If it renders, it's valid. You can also check the header: PNGs usually start with iVBORw0KGgo, while JPEGs often start with /9j/4AAQSkZJRg.

Can I convert a PDF Base64 string to an image?

No, this tool specifically decodes image MIME types. If your Base64 string represents a PDF (application/pdf), it will not render in the image previewer.

Is there a file size limit?

This tool runs in your browser memory (RAM). It can easily handle strings representing images up to 10-20MB. Extremely large strings (50MB+) might cause your browser tab to freeze momentarily while decoding.

How do I get the Base64 string of an image file?

If you want to do the reverse (convert an Image file to Base64), check out our companion tool: Image to Base64 Converter.

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