Auto-converts on paste
Just paste — the image renders immediately. No need to click a button. Also works with Ctrl+Enter.
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
Invalid Base64 — check your input and ensure it represents a supported image format.
Preview
How it works
Fast, private, zero server involvement
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.