Unverified50% confidenceFactExact time
JustForms uses pdf.js for PDF parsing and rendering, and pdf-lib for PDF export and modification.
1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedpdf.js is the technical foundation of the built-in PDF readers in mainstream browsers such as Chrome and Firefox.70% similarUnverifiedThe entire process of PDF parsing, editing, and exporting in JustForms is completed locally in the user's browser, and document data does not need to be uploaded to any server.69% similarVerifiedThe PDF format is a page description language released by Adobe in 1993, designed with the goal of accurately reproducing the visual appearance of documents rather than preserving semantic structure.68% similar
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