Base64 to WebP Converter | JPEGConvert

Base64 input
Paste a data URL or raw Base64. We will tidy common issues automatically.
{{ inputCharCount.toLocaleString() }} chars ~{{ inputSize }} Detected: {{ detectedLabel }} Header based
Auto-fixes applied: {{ fixDetails.join(', ') }}.
Potential issues: {{ warningDetails.join(', ') }}.
Example: {{ sampleSnippet }}
{{ errorMessage }}
  • {{ detail }}

Your preview will appear here.

Converting your Base64 data...

Unable to convert this Base64 input.

Output: {{ outputLabel }} Input: {{ detectedLabel }}
Conversion complete. Download when you are ready.
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How to convert Base64 to WebP

1. Paste Base64 input

Paste a data URL or raw Base64 string. We will clean up line breaks and missing padding automatically.

2. Preview and download

Check the preview, then download the converted file when the conversion finishes.

Paste Base64 input

Paste a data URL or raw Base64 string to begin the conversion.

Auto-fix common issues

We remove line breaks, fix padding, and normalize URL-safe Base64 when possible.

Input type detection

We detect the image type from the Base64 data to guide the output.

WebP output

WebP is designed for efficient delivery in browsers.

Preview the result

Confirm the conversion before you download the file.

Download WebP

Save the converted WebP file to your device.

Frequently Asked Questions

Yes. The converter will try to detect the image type. If detection fails, add a header like data:image/png;base64,...

The Base64 string may be incomplete or include invalid characters. Make sure you copied the full value.

We read the data URL header when available and confirm the file signature from the data.

Downloads use a base64-image filename with the correct extension.
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JPEGConvert.com keeps the workflow simple: upload, convert, and download. For the best results, start with the highest-quality source file you have.

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