Base64 to Image Converter

Instantly convert any Base64-encoded string into a viewable, downloadable image. Paste your Base64 data, decode it, and download the resulting PNG, JPG, SVG, GIF, or other image format—no sign-up, 100% privacy-safe, and always free.

Convert Base64 to Image Now
A web developer's workspace with code, clipboard, and an image preview on a laptop—illustrating online conversion from Base64 to image

Convert Base64 String to Image

Supported formats: PNG, JPG/JPEG, GIF, SVG, WEBP, BMP, ICO, and more.
Paste the full Base64 string, or just the data part. Only image data is supported.

Image Preview

Decoded image preview

What Is Base64 Encoding & How Does It Work for Images?

Base64 encoding is a method of converting binary data—like images, files, or documents—into a text format using only letters, numbers, and a few symbols. This makes it safe to store or transmit images inside text-based formats such as HTML, CSS, JSON, or emails.

When you see data:image/png;base64,... in code or an API, it means the image file has been converted to Base64. This is common in:

  • Embedding images directly into HTML or CSS for fast loading (no separate files!)
  • Transferring images via JSON APIs or email attachments
  • Storing screenshots or small icons in databases
  • Clipboard operations (copying images as Base64)
This tool lets you reverse that process: paste a Base64 image string, instantly preview the image, and download it as a file—no software or signup needed.

How to Convert Base64 String to Image Online

  1. Copy your Base64 string (from HTML, JSON, clipboard, etc.).
  2. Paste it into the box above (with or without the data:image/... prefix).
  3. Click Convert to Image.
  4. Preview the image and download it to your device, or copy as a Data URL.
Tip: Most browsers and tools let you copy images to the clipboard as Base64. This is useful for screenshots, quick sharing, or extracting images from code.

Troubleshooting & FAQ: Base64 Image Decoding

This tool processes Base64 images entirely in your browser, so limits depend on your device’s memory and browser restrictions. Most modern browsers can handle Base64 images up to several megabytes (e.g., 5–10 MB). For extremely large images, try splitting your Base64 string or using a desktop tool for best performance.

The most common reasons are:
  • Base64 string is incomplete or contains extra characters (spaces, line breaks, etc.).
  • String is not an image (e.g., text document or another file type).
  • Missing or incorrect data:image/... prefix—try adding or removing it.
  • Unsupported or proprietary image format.
Double-check your input and ensure you’re pasting a valid Base64-encoded image string.

Any image format that browsers support can be decoded, including PNG, JPG/JPEG, GIF, SVG, WEBP, BMP, ICO, and more. If your Base64 string starts with data:image/png;base64,... or a similar prefix, it should work. For SVG, ensure the content is valid and not too large.

Look for strings starting with data:image/... then copy everything after the comma (,). In HTML, images may use <img src="data:image/png;base64,...">. In JSON, Base64 data is often wrapped in quotes. Remove any extra characters or whitespace before pasting here.

This tool decodes one image at a time. For multiple images, repeat the process with each Base64 string. Bulk support may be added in the future!

Where to Use Base64 Image Decoding?

  • Web Development: Extract and preview embedded images from HTML, CSS, or emails for troubleshooting and optimization.
  • API & Data Processing: Decode images from API responses or JSON payloads, useful for developers and data analysts.
  • Clipboard & Screenshots: Convert Base64 copied from your clipboard (e.g., screenshots) into standard image files.
  • Database Management: Reconstruct and validate images stored as Base64 in DB fields.
  • Email & Messaging: Extract and save inline images from Base64 attachments in emails or chat messages.
Example: To embed an image in HTML using Base64, use:
<img src="data:image/png;base64,iVBORw0KGgo..." alt="..." />