Image to Base64 Converter
Convert images to Base64 encoded strings or Data URLs instantly. Encode PNG, JPG, JPEG, or WebP images directly in your browser without uploading files.




About Convert Image to Base64 Online
The Image to Base64 Converter encodes image files into Base64 strings or Data URLs that can be embedded directly into HTML, CSS, JSON, or API requests. This tool is especially useful for developers and designers who want to eliminate external image files. All conversions happen locally in your browser for privacy and speed.
How to Use
Upload Image
Upload or drag and drop an image file such as PNG, JPG, JPEG, or WebP.
Convert to Base64
The tool instantly encodes the image into a Base64 string or Data URL.
Preview Result
Preview the image and inspect the generated Base64 output.
Copy or Download
Copy the Base64 string to your clipboard or download it as a text file.
Pro Tips
- •Base64 is useful for embedding small images directly into code
- •Avoid using Base64 for large images due to increased size
- •Great for API payloads, JSON responses, and inline CSS
- •All encoding runs locally in your browser for full privacy
Frequently Asked Questions
What is Base64 encoding?
Base64 encoding converts binary image data into text so it can be safely embedded in code, HTML, CSS, or JSON.
Does Base64 increase image size?
Yes, Base64 encoding increases file size by about 30%, so it’s best used for small images.
Which image formats are supported?
PNG, JPG, JPEG, and WebP image formats are supported.
Are my images uploaded to a server?
No. All image encoding happens locally in your browser and your images never leave your device.