How to Convert `Blob` to `File` and `PDF` in JavaScript
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Summary: Learn effective methods to convert `Blob` data to `File` and even convert a Blob URL to File in JavaScript. Includes tips on generating PDF files from Blobs in JavaScript.
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How to Convert Blob to File and PDF in JavaScript
In web development, converting a Blob to a File and even creating a PDF from Blob data is a common task. This guide will walk you through the methods to efficiently handle these conversions using JavaScript.
Converting Blob to File in JavaScript
To convert a Blob instance to a File, you can leverage the File constructor in JavaScript. Below is a sample code snippet demonstrating this conversion:
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Converting Blob URL to File in JavaScript
Sometimes, you might encounter a Blob URL and need to convert it directly to a File. This can be accomplished by fetching the content from the Blob URL and then converting it to a Blob and subsequently to a File. Here’s how you can do it:
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How to Convert Blob to PDF File in JavaScript
Generating a PDF file from Blob data involves creating a PDF Blob and then initializing a download for the user. Here’s a practical example:
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In this code, we create a blob with a MIME type of application/pdf and then trigger a download with the anchor tag method.
By following the above methods, you can effortlessly handle Blob-to-File conversions and generate PDF files in your JavaScript applications. This not only simplifies data handling but also enhances the versatility of your web applications.
