Base64 to Image Converter

Got a long Base64 string and want to see the picture inside it? Paste the code into the box and the image shows up right away. After that you can download it as a PNG, JPG, or WebP file.

Base64 text appears in API responses, CSS files, emails, databases, and JSON data. It is almost impossible to read by eye. This Base64 to image converter decodes it for you, so you can check what the image looks like and save it as a normal file on your device.

  • Free to use, every time
  • No sign up and no watermark
  • Works fully in your browser
  • Your Base64 data stays on your device

How to Convert Base64 to an Image

  1. Copy your Base64 string. It can be the raw code or a full data URI that starts with data:image.
  2. Paste it into the input box on this page.
  3. Click the convert button and check the preview to make sure it is the right picture.
  4. Pick PNG, JPG, or WebP and click download.

Frequently Asked Questions

What is a Base64 image?

It is an image that has been turned into plain text. Instead of a file like photo.png, you get a long string of letters and numbers that carries the same picture data.

Do I need the data:image prefix?

No. You can paste the string with the prefix or without it. The tool reads both.

Why do I see an error when I paste my string?

Most of the time the string is cut off, or it has extra spaces or line breaks in the middle. Copy it again and make sure you got the whole thing.

Is my Base64 code uploaded anywhere?

No. The decoding happens in your browser, so your data stays with you.

Which formats can I download?

You can save the decoded picture as PNG, JPG, or WebP.

Is this Base64 decoder free?

Yes. It is free, and you do not need an account.

Base64 vs a Normal Image File

A normal image file, like a PNG or JPG, stores data in binary form. Base64 is a way to write that same binary data using only plain text characters. This makes it easy to place an image inside HTML, CSS, JSON, or an email without a separate file.

There is a cost. Base64 text is about 33 percent bigger than the original file. That is why it works best for small things like icons, tiny logos, and placeholder images. For large photos, a regular file loads faster and is easier to cache.

When you decode Base64 back into an image, you get the original picture again. Nothing is lost in the process. If the original was a PNG, you get a PNG. You can then convert it to JPG or WebP if you need a smaller file.

Who Uses a Base64 to Image Tool?

  • Web developers check images that come back from an API and fix bugs faster.
  • Email designers look at inline images inside HTML email templates.
  • Database admins preview pictures that were saved as text in a table.
  • Students and learners try out Base64 for the first time and see how it works.
  • Anyone with a stray string who just wants the picture back as a file.

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Tool Details

FeatureDetails
InputBase64 string or data URI
Output formatsPNG, JPG, WebP
PriceFree
Sign up neededNo
Where it runsIn your browser
WatermarkNone
Max string sizeDepends on your device and browser memory