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Private browser tool
Image to Base64 Converter
Encode a supported JPG, PNG, or WebP image into a base64 data URI and HTML/CSS snippets. Runs in your browser with no account required.
Always Free
Local processing
No account needed
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Drag & drop your image here
Supports JPG and PNG • Up to 50MB
Supports JPG, PNG, and WebP • Up to 50MB and 40 megapixels
Tab Preview Simulation
Original: {{ formatBytes(originalFile.size) }}
Optimized: {{ formatBytes(outputBlob.size) }}-
{{ savingsText }}
Dimensions: {{ outputDimensions }}
The uploaded file format is already matching the requested conversion format. Compression will still apply.
WebP compression preserves alpha transparency channel presets. Converting transparent PNGs to JPEGs will discard transparency backgrounds.
Compression Quality
{{ quality }}%
Output Format
Width (px)
Height (px)
Platform Size Presets
Crop & Fit Mode
Padding Fill Color:
Crop Positioning Align
Resize Scale
{{ resizePercent }}%
Select Crop Aspect Preset
Crop Frame Size Scale
{{ cropScale }}%
Circle Crop Size Scale
{{ cropScale }}%
Rotate Angle
Flip Asset Mirror
Flip Asset Mirror
Watermark Text
Font Size (px)
Font Color
Opacity ({{ Math.round(watermarkOpacity*100) }}%)
Position
Click anywhere on the image above to select pixel color
{{ pickedColor }}
{{ pickedColorRgb }}
Download Favicon Outputs
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Paste Base64 Encoded Image Code (e.g. data:image/png;base64,...)
Target Output Format
Images workflow
Processed locallyZero file uploads to Beginware
How to use Image to Base64 Converter
Encode a supported JPG, PNG, or WebP image into a base64 data URI and HTML/CSS snippets.
-
Choose an image file
Select a JPG, PNG, or WebP you want to embed as text.
Step 1 of 3 -
Read the generated snippets
Review the Base64 data URI and the HTML image and CSS background examples.
Step 2 of 3 -
Copy the required form
Paste the data URI or snippet into the destination and verify that it displays correctly.
Step 3 of 3
No account required
Works instantly in browser
Always review important output
- Input
- JPG, PNG, WebP
- Output
- Base64 data URI
- Snippets
- HTML image / CSS background
Example workflow
- Input Sample
- A small PNG icon
- Generated Result
- A data:image/png;base64,... string that can be used in an image source.
Limits and Considerations
- Base64 is encoding, not encryption, and typically increases data size. Large embedded images can make documents slower to load.