Base64 to Image
Preview appears
when Base64 is valid
Drop your .TXT file here
File should contain Base64 strings — one per line or separated by blank lines
Accepts: .txt, .text, .b64, .base64Decoded Images 0
Why Use Our Base64 to Image Converter?
The fastest, most private Base64 image decoder online — built for developers and designers who need instant, secure decoding without uploading files to servers.
100% Private & Client-Side
All Base64 decoding happens locally in your browser using native atob() and HTML5 Canvas. Your data never touches any server.
Instant Live Preview
See your decoded image in real-time as you paste the Base64 string. Format is auto-detected from magic bytes — no guessing required.
Bulk Batch Decoding
Decode dozens of Base64 strings at once. Paste multiple entries separated by blank lines or upload a .txt file with all your strings.
Flexible Output Formats
Download in original format or force-convert to JPG, PNG, or WebP using canvas rendering. Quality control slider for JPEG output.
Smart Format Detection
Automatically identifies JPEG, PNG, WebP, GIF, BMP and SVG using binary header signatures. No need to specify the format manually.
ZIP Archive Download
Download all decoded images in one click as a neatly organized ZIP archive. Select specific images or grab all at once.
Frequently Asked Questions
How do I decode a Base64 string to an image?
Paste your Base64 encoded string (with or without the data:image prefix) into the text area. The tool auto-detects the format and shows a live preview. Click "Decode & Preview Images" to process and download your results.
What image formats does this Base64 decoder support?
The decoder supports JPEG, PNG, WebP, GIF, BMP, and SVG images. Format detection uses binary magic byte signatures automatically. You can also force output conversion to JPG, PNG, or WebP.
Can I decode multiple Base64 images at once?
Yes! Paste multiple Base64 strings separated by blank lines, or switch to "Upload .TXT File" mode to upload a text file with multiple Base64 entries. All images are batch decoded and available to download individually or as a ZIP archive.
Is my Base64 data safe to paste here?
Completely safe. This tool is 100% client-side — decoding runs locally inside your browser using the native atob() function and HTML5 Canvas API. No data is ever sent to any external server, processed in the cloud, or stored anywhere.
What is a Base64 encoded image?
A Base64 encoded image is binary image data converted to a text-safe ASCII string. It's widely used in web development for data URIs in HTML/CSS, JSON API responses, email attachments, and anywhere binary data needs to be safely transmitted as text.