Base64 → Image

Base64 to Image Converter

Paste any Base64 string and instantly preview and download your image. Auto-converts on paste. Runs 100% in your browser.

100% local — fully private Auto-converts on paste PNG · JPEG · GIF · WebP · SVG
Convert Base64 → Image
Accepts raw Base64 or full Data URLs
Ctrl+Enter to convert
Preview

How it works

Fast, private, zero server involvement

Auto-converts on paste

Just paste — the image renders immediately. No need to click a button. Also works with Ctrl+Enter.

Blob URL preview

Your Base64 is decoded to a Blob in-browser. The preview URL looks like blob:https://… — data is never transmitted.

Format auto-detection

Detects PNG, JPEG, GIF, WebP, SVG, BMP and ICO from the Data URL mime type or Base64 magic bytes — no manual selection needed.

One-click download

Downloads the image with the correct filename and extension. Full quality — no re-encoding, no loss.

Frequently asked questions

Base64 is a binary-to-text encoding scheme representing binary data using 64 printable ASCII characters. For images, it lets you embed image data directly in HTML, CSS, or JSON without a separate file request.
PNG, JPEG, GIF (animated), WebP, SVG, BMP, and ICO. Format is auto-detected from the Data URL mime type or Base64 magic byte prefixes (e.g. /9j/ = JPEG, iVBOR = PNG, R0lGOD = GIF).
The Base64 string is decoded to a Blob object in your browser, then URL.createObjectURL() creates a temporary blob:https://… URL. No data leaves your device. Click the blob link or the preview image to open in a new tab.
No hard limit — everything runs in your browser. Very large strings (20 MB+) may take a second on slower devices. Your browser's available memory is the only real constraint.
Yes — use the Image → Base64 tool. Upload, drag-and-drop, or paste from clipboard, then copy the output with one click.
Switch to Image → Base64 Tip Jar