View images encoded as Base64 data URLs directly in your browser.
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Base64 Image Data URL
Load Base64 from a .txt or .b64 file
Image Display
Enter a Base64 data URL above to display the image
More about the Base64 Image Viewer
A base64 string pasted from a debugger, a log entry, or an API response doesn't show you anything on its own, it's just a long block of encoded text, and confirming what image it actually represents usually means writing a quick script or manually building a data URL just to see it rendered. This tool renders a base64-encoded image directly in the browser the moment the string is pasted in, no download or file conversion step needed, just a quick visual check of what the encoded data actually contains. Useful for confirming what an image looks like before deciding whether it's worth extracting as an actual file, quickly checking a base64 string copied from a log without writing a script just to view it, or verifying an API response's embedded image field actually contains what it's supposed to.
View images encoded as Base64 data URLs directly in your browser. The Base64 Image Viewer is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Base64 Image Viewer?
Open the Base64 Image Viewer on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Base64 Image Viewer free to use?
Yes. The Base64 Image Viewer is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Base64 Image Viewer safe and private?
Yes. The Base64 Image Viewer processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Base64 Image Viewer produce?
The Base64 Image Viewer produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose — formatted code, converted data, transformed text, or processed media — and is ready for immediate use in your project or workflow.
Does the Base64 Image Viewer work on mobile devices?
Yes. The Base64 Image Viewer is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality — paste input, transform, copy output — works the same way regardless of your device.
Are my images uploaded anywhere when I use the Base64 Image Viewer?
No. The Base64 Image Viewer processes images fully client-side using the Canvas API. Your files never leave your browser, so you can safely work with personal photos, design mockups, or confidential assets.
What image formats does the Base64 Image Viewer support?
The Base64 Image Viewer works with common web image formats including PNG, JPEG, WebP, GIF, and SVG. The specific operations available depend on the format — lossless formats like PNG preserve quality through transformations, while lossy formats like JPEG may show compression artefacts after re-encoding.
Can I use the Base64 Image Viewer offline?
Once the page has loaded, the Base64 Image Viewer continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.