Image to Base64 Encoder
Drop your image. Get your Base64.
Free Tool — No Login RequiredDrag & drop your image here
or click to browse
.jpg .png .gif .svg .webp
Max recommended: 2MB
Preview
Drop multiple images or click to select
Each image will be encoded separately
What is a Base64 Image Encoder?
An Image to Base64 Encoder converts image files — JPG, PNG, GIF, SVG, or WebP — into a Base64-encoded Data URI string. This string can be embedded directly into HTML <img> tags, CSS background-image properties, or email templates, eliminating the need for a separate image file or HTTP request. The output format looks like: data:image/png;base64,iVBORw0KGgo... and can be pasted anywhere a URL is accepted for image sources.
Why Use CodeZiper's Image to Base64 Encoder?
- Supports JPG, PNG, GIF, SVG, and WebP formats
- Toggle between full Data URI and raw Base64 string output
- Encode multiple images at once with individual copy buttons
- Shows image dimensions, file size, and Base64 output size
- Instant live preview of the encoded image
- 100% browser-based — your images never leave your device
- No login, no signup, completely free
Common Use Cases
Inline HTML Images
Embed logos, icons, and small UI images directly in your HTML using data URI src attributes — no external image hosting needed.
CSS Background Images
Use Base64 Data URIs as CSS background-image values to bundle images directly into your stylesheet, reducing HTTP requests and improving load time.
Email Templates
Embed images directly in HTML email templates using Base64 to ensure images display correctly even when external image loading is blocked by email clients.
Image Base64 FAQ
Common questions about this tool.
JPG, JPEG, PNG, GIF, SVG, and WebP. Any format your browser can read via FileReader can be encoded.
A Data URI is a way to embed file data directly in a URL string. For images it looks like data:image/png;base64, followed by the Base64 string. It can be used anywhere a normal image URL is accepted.
Use the full Data URI when embedding in HTML or CSS. Use raw Base64 when you need just the encoded string for an API, database field, or custom implementation that handles the prefix separately.
No. Base64 encoding is lossless. The decoded image is identical to the original. The encoded string is simply a text representation of the same binary data.
No. Everything runs in your browser using the FileReader API. Your images are never uploaded or transmitted anywhere.
Base64 encoding increases file size by approximately 33% because every 3 bytes of binary data are represented as 4 ASCII characters. This is expected and normal.
Text Encoding
Need to Encode Text Instead?
Use our Base64 Encoder to convert text, URLs, and strings to Base64 format.