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Base64 to Image: Decode and Save Data URLs

9 min read

Base64 data URLs (strings starting with data:image/...;base64,) are often used in APIs, HTML, or CSS to represent images inline. Sometimes you need to turn that string back into an image file—to save it, inspect it, or use it in a tool that expects a file. This guide explains how to decode Base64 image strings in your browser without sending data to a server.

When You Have a Data URL

You might have a data URL from an API response, from copied HTML or CSS, or from a document that embeds images as Base64. To view the image, save it as a file, or pass it to another application, you need to decode the Base64 part and get the raw image bytes. A browser-based decoder can do that locally and optionally let you download the result as a PNG or JPG.

What Decoding Does

The tool takes the full data URL or just the Base64 portion, decodes it to binary, and interprets it as an image. You can then see the image on screen and download it in a convenient format. The original format (e.g. PNG or JPG) is usually preserved, or you can export as a common format for compatibility.

Privacy and Safety

Decoding in the browser means the Base64 string is processed on your device. Nothing is sent to a server, which matters when the data URL comes from confidential documents, internal APIs, or sensitive content. No account or sign-up is required.

Use Our Tool

Our Base64 to Image tool decodes your data URL and shows the image so you can download it. Paste the full data URL or the Base64 string and get the image. All processing is local; we do not store or view your data. Use it to extract images from APIs, HTML, or CSS when you need a file instead of a string.

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