Supports PNG, JPG, WebP, GIF & SVG
Paste Base64, or drag & drop text or an image file
For best performance keep Base64 strings under 10MB.
Tip: Press Ctrl+V (or Cmd+V on Mac) to paste. Supports Base64 with or without data:image prefix.
🔒 100% private — no upload, no server, runs locally in your browser
Paste Base64 text or drop an image file to convert to Base64 and preview.
Preview and metadata update as you paste. No convert step needed for preview.
Download image file, or copy as Base64 or data URL. All in the browser.
Need more image editing? Try these free online tools:
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Base64 is an encoding scheme that converts binary data (like images) into ASCII text format, making it safe to transmit over text-based protocols like HTTP, email, or JSON. Images are often encoded in Base64 when they need to be embedded directly into HTML, CSS, JavaScript, or API responses without requiring separate file downloads.
This tool decodes Base64 strings back into image files. Paste your Base64 (with or without a data URL prefix), see a live preview and metadata, then download the image or copy it as Base64 or data URL. Everything runs in your browser—nothing is uploaded.
Supports PNG, JPG, GIF, WebP, SVG, BMP, ICO, TIFF, and AVIF. For best performance, keep Base64 strings under 10MB; very large strings may show a warning or be blocked above 40MB to protect your browser.
Paste your Base64 string into the input area, or drag and drop an image file to convert it to Base64 first. You can also paste from clipboard with one click.
The preview and metadata (format, size, dimensions, aspect ratio) update automatically. No need to click Convert for preview.
Click “Download Image” to save the file, or use “Copy Image as Base64” or “Copy Image Data URL” to copy to clipboard.
Yes. All processing runs in your browser. Your Base64 data is never uploaded or sent to any server.
Strings under 15MB are fine. Between 15–40MB we show a warning but allow conversion. Over 40MB we block to avoid browser issues.
PNG, JPEG, JPG, GIF, WebP, SVG, BMP, ICO, TIFF, and AVIF. If the format is not detected, we fall back to PNG.