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Base64 to Image Converter
Paste a Base64-encoded string and instantly decode it to a viewable image. Download as PNG or JPG. 100% free and private — all processing in your browser.
About Base64 Image Decoding
🔤 What is Base64?
Base64 encodes binary data as ASCII text. It's commonly used to embed images in HTML, CSS, JSON APIs, and email — anywhere binary files can't be sent directly.
🔍 Auto-Detection
Paste raw Base64 or a full data URL. Our tool automatically detects the image type from the encoded content — JPEG, PNG, GIF, and WebP are all supported.
🔒 100% Private
Your Base64 data never leaves your device. All decoding happens locally in your browser — nothing is sent to any server.
⚡ Instant & Free
No signup, no limits. Decode and download as many Base64 images as you need, completely free.
Frequently Asked Questions
What is Base64 image encoding?+
Base64 is a way to represent binary data (like images) as ASCII text. It's commonly used to embed images directly in HTML, CSS, emails, and JSON APIs without needing separate image files.
Do I need to include the data: prefix?+
No. You can paste either the raw Base64 string or the full data URL (e.g., data:image/png;base64,...). Our tool auto-detects the image format from the Base64 content.
What image formats are supported?+
Our decoder supports any Base64-encoded image your browser can render — PNG, JPEG, GIF, WebP, BMP, and more. You can download the decoded image as PNG or JPG.
Is this Base64 decoder private and secure?+
Yes, all decoding happens entirely in your browser. Your Base64 data is never sent to any server, making it completely private and secure.