CommonForms: Open models auto-detect PDF form fields to convert static docs

tom_doerr · x · 2026-08-15

CommonForms is an open-source project that automatically converts static PDFs into fillable forms.

• Core Functionality: Uses FFDNet models to automatically detect form fields in PDFs, accessible via CLI and API.
• Models & Data: Includes FFDNet-S and FFDNet-L models, along with the CommonForms dataset hosted on HuggingFace.
• Installation: Recommends using uv or pipx for an isolated installation due to its heavy dependencies (transformers, torch, ultralytics, etc.).
• Use Case: Ideal for scenarios requiring batch digitization of documents.

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