Base64 to Image Converter

Preview and download a Base64-encoded image online for free — instant, private, entirely inside your browser.

Overview

What is a Base64 to image converter?

A Base64 to image converter decodes a Base64-encoded string — either a full data URI or a raw payload — back into its original image, rendering a live preview you can inspect and download.

It's useful for extracting an embedded icon or thumbnail from HTML, CSS, or a JSON API response, without needing any command-line tools or external software.

Guide

How to use it

Three steps, no learning curve — paste, preview, and download.

Step 01

Paste your Base64 string

Enter a full data URI, or just the raw Base64 payload of an image.

Step 02

Preview instantly

The decoded image renders live in your browser as soon as it's valid.

Step 03

Download the image

Save the decoded result as a PNG file with one click.

Tips

Best practices to keep in mind

A few things worth knowing about decoding a Base64 image.

This tool accepts both a full data URI (starting with data:image/...;base64,) and a raw Base64 payload with no prefix — it detects which one you've pasted automatically.
If nothing renders, double-check that the Base64 string wasn't truncated when copied — a single missing character at the end is enough to break the entire decode.
Base64-encoded images are common in email HTML, inline CSS, and API responses that embed a thumbnail or icon directly in a JSON field instead of linking to a separate file.
The downloaded file is always saved as a PNG regardless of the original format's encoded MIME type, since the browser re-renders the decoded pixels through a canvas before export.

Comparison

SEOJuicer vs. other Base64 to image tools

The same result, minus the uploads, the signup wall, and the paywall.

SEOJuicer

Runs entirely in your browser

Free, no signup required

Live preview as you paste

Accepts data URIs or raw Base64

Your data is never uploaded

Other tools

Uploads your data to a server

Often requires an account

Requires the data: prefix

No download option

Capped or paywalled

FAQs

Frequently asked questions

Have questions about decoding a Base64 image? Here are the most common ones our users ask before getting started.

Is this Base64 to image converter free to use?

Yes, the Base64 to image converter is completely free with no signup, no usage limits, and no watermarks on the output. It runs entirely in your browser, so there are no server costs passed on to you and no account is ever required to decode an image.

Is my Base64 string uploaded to a server?

No. The entire decoding and rendering happens locally in your browser — your Base64 string is never transmitted anywhere. This makes the tool safe to use with private images or graphics extracted from proprietary code or documents.

Do I need to include the 'data:image/...' prefix?

No, this tool works either way. If you paste a full data URI including the data:image/...;base64, prefix, it renders directly. If you paste only the raw Base64 payload with no prefix, the tool automatically adds a default image prefix before decoding.

Why does nothing appear when I paste my Base64 string?

The most common cause is a truncated or incomplete copy — a Base64 string missing even one character, especially trailing '=' padding, will fail to decode into a valid image. Make sure you've copied the entire string with no extra line breaks mixed in.

What format is the downloaded image saved in?

The tool renders the decoded image onto an HTML canvas and exports it as a PNG file, regardless of the original format encoded in the Base64 string. This ensures a consistent, widely compatible download regardless of the source image's original type.

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