Base64 Image Viewer
NewPaste a base64 string or data URL to preview, inspect, and download the decoded image.
Paste an image data URL or raw base64 string to preview it.
Frequently Asked Questions
What is Base64 Image Viewer?
Base64 Image Viewer is a free, browser-based tool that paste a base64 string or data url to preview, inspect, and download the decoded image. No installation or account is required — it works instantly in any modern browser.
How does Base64 Image Viewer work?
Base64 Image Viewer processes your input locally in the browser using JavaScript. Simply paste or type your data, configure any available options, and the result is displayed immediately.
Is Base64 Image Viewer free?
Yes, completely free. All tools on Web Developer Toolbox are free to use with no limits, no premium features, and no account required.
Does Base64 Image Viewer work offline?
Yes. When you install Web Developer Toolbox as a Progressive Web App (PWA), all tools including Base64 Image Viewer work fully offline via a service worker cache.
Is my data private when using Base64 Image Viewer?
Yes. All data processing happens entirely in your browser. Nothing is sent to a server — your data stays on your device and is cleared when you close or refresh the page.