Decode Base64 to Image
Convert Base64 code into viewable images instantly. Fully secure, client-side decoding.
Privacy Focused
🔒 Local Processing. Your data never leaves your device.
Instant Results
🌐 Fully Client-Side. Runs instantly in your browser.
No Signup
⚡ No accounts. No hassle. Just open and use.
Browser Based
🚀 Works right in your browser. No installs, no downloads.
Decode Base64 to Image Online
Developers and designers often encounter long, unreadable text strings representing images embedded in code. These strings, known as Base64 encoded Data URIs, are incredibly useful for reducing HTTP requests in CSS and HTML. However, without a specialized tool, verifying what these strings look like is a hassle. Our Base64 to Image tool solves this exact problem instantly.
Simply paste your code into the editor. The tool automatically detects valid syntax, identifies formats like PNG or SVG, and renders the hidden image for immediate review. You can then download the extracted file or copy it to your clipboard. If you need to perform the reverse operation later, check out our Image to Base64 generator. Because everything runs locally in your browser, your private assets never touch an external server.
How to Convert Base64 Strings
Using this developer utility is straightforward. Follow these steps to decode your data URIs securely.
1. Paste or Drop Your Code
Copy your alphanumeric string—usually starting with data:image/...—and paste it into the editor panel. Alternatively, you can drag and drop a `.txt` file containing the string directly into the workspace. The tool automatically strips away accidental whitespace and line breaks.
2. Validate and Preview
The status bar immediately confirms if the syntax is valid or highlights illegal characters. Once validated, the image appears in the right panel. Use the background color selector to properly view transparent images, and check the info row for file dimensions and MIME type.
3. Export or Format Image
Click the primary download button to save the visual output to your device in its native format. If you pasted a raw string lacking a header, open 'Advanced Options' and select 'Fix Missing URI Prefix' to correct it before exporting.
Frequently Asked Questions
Find answers to common technical issues regarding Data URIs and encoding formats.
Is my data private? Do you save my Base64 images?
Yes, your data is 100% private. This tool decodes Base64 entirely within your web browser using client-side JavaScript. No images or strings are ever uploaded or saved to our servers.
What image formats are supported by this decoder?
The converter supports all standard web formats your browser can render, including PNG, JPEG (JPG), GIF, WebP, BMP, and SVG. It automatically detects the MIME type from the Data URI.
Why is my Base64 string showing invalid characters?
A valid Base64 string only contains letters (A-Z, a-z), numbers (0-9), plus (+), slash (/), and equals (=) for padding. If your string fails, ensure you copied the entire code without extra text or broken characters.
Can I convert multiple Base64 strings at once?
Yes. Open the Advanced Options and toggle 'Gallery Mode'. You can paste multiple Base64 strings (one per line) to instantly generate a grid of downloadable images.
How do I fix a missing Data URI prefix?
If you only have the raw encoded string without data:image/png;base64,, simply paste it in, open Advanced Options, and click 'Fix Missing URI Prefix' to automatically format it.
Still have questions?
If you can't find the answer you're looking for, feel free to contact our support team.