Blog Post

PSPDFKit for Web 2021.6 Adds Document Comparison and Date/Time Picker Feature

Veronica Marini

We’re excited to announce the newest version of PSPDFKit for Web! Version 2021.6 adds the Document Comparison component, support for the date picker, and loads of minor fixes and improvements.

Document Comparison

Document Comparison, which was previously only available for our iOS and Android PDF SDKs, is now available on our Web PDF SDK. The new Document Comparison component allows you to compare individual pages from two documents and generate a comparison document with the pages overlaid — each with a different, customizable color to highlight the differences.

There are two supported modes to compare a document: automatic comparison and manual alignment.

When automatic mode is enabled in the API, the user doesn’t need to interact with the UI for the comparison to be performed; they can just check that the resulting document is correct.

With manual comparison, the user is presented with two documents, and they have to select three reference points in the same spot on both pages to correctly align the document.

Document Comparison is available with the corresponding license component (only in Standalone deployments). For a full overview of this new component, check out our document comparison guide.

Support for the Date Picker

PSPDFKit now supports a user’s ability to easily input dates and times into form fields through a browser’s native picker UI, without the need to manually type them in.

Date picker

For a full overview of this new feature, please check out our date and time picker guide.

Improved Asset Storage Backend Migration for Server-Backed Web

On the PSPDFKit Server side, we revamped the asset storage backend migration process to make it more suitable for installations with a large number of documents. You can now migrate your documents while your system is live and serving your users. If you interrupt the migration process and start it again, it’ll pick up where it left off on the first run. Moreover, the migration script will print the progress of the migration, and you can inspect the number of documents stored in both the new and old backend in the PSPDFKit Server dashboard.

PSPDFKit Server dashboard showing the number of documents in both Postgres and S3 asset storage backends.

You can read more in the updated asset storage backend migration guide.

And More!

The release of PSPDFKit for Web 2021.6 also features a number of minor fixes and improvements. For a complete list of these changes, see the PSPDFKit for Web 2021.6 changelog.

Please email us at if you’re interested in PSPDFKit for Web. For a complete list of features, please visit our product page. We’d love to hear about your use case and discuss how to best implement it.

Veronica Marini Web Engineer

Veronica’s passion for puzzles got her into programming. She likes everything frontend, bringing design to life, and measuring herself with coding. She also collects hobbies: from yoga to surfing to playing Brazilian drums.

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