Base64 Image Converter
Easily convert your images to Base64 strings for use in HTML, CSS, and JSON. Or paste a Base64 string to decode and preview the image. Fast, free, and secure.
Base64 Image Converter
Convert images to Base64 and decode Base64 to images
Click to upload image
Supports JPG, PNG, GIF, WebP files
Web Development
- • Embed images directly in CSS/HTML
- • Reduce HTTP requests
- • Store images in databases
- • Create data URLs for icons
API Integration
- • Send images via JSON APIs
- • Store images in text fields
- • Email image attachments
- • Mobile app development
Image to Base64 conversion
Base64 to Image decoding
Copy HTML <img> code
Copy CSS background code
Supports all image formats
Instant client-side processing
Preview images instantly
One-click copy to clipboard
Embed in HTML
Use images without external files
Developer Reviews
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Been using these tools for months now. They're consistently reliable and much faster than similar tools I've tried. The privacy-first approach is a huge plus.
James Wilson
VerifiedProfessional quality tools
As a freelancer, I need tools that work reliably without breaking the bank. 30tools delivers professional-grade utilities completely free. Highly recommended!
How to Convert Base64 Images
Choose Mode
Select "Image to Base64" to encode or "Base64 to Image" to decode.
Upload / Paste
Upload your image file or paste your Base64 string into the box.
Copy / Download
Copy the generated code snippet or download the decoded image file.
Everything you need to know about base64 encoding
This image compressor is amazing! Reduced my website images by 70% without any noticeable quality loss. The batch processing feature is a game-changer.
Perfect tool for my blog! The interface is super clean and intuitive. Love that it works directly in the browser without uploading files to servers.
Great compression quality! Used it for optimizing images for my e-commerce store. Would love to see more format options in the future.
Fast and reliable! Processed 50+ images in under a minute. The quality settings give good control over the compression ratio.