extend-hq/ui

Health v2 · maintenance only

Flags: no_releases young no_license

Adoption not part of the score

1486 stars · 77 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Extend UI is an open-source React component library (distributed via the shadcn registry) for building document-heavy product interfaces: PDF, DOCX, XLSX, and CSV viewers, file upload, file browsing, e-signature, bounding-box citations, and schema builders. Components are copied into your project as editable source built on React and Tailwind.

Use cases

• add a pdf viewer to my react app
• build a document review interface for extracted data
• let users upload and validate documents with drag and drop
• preview excel spreadsheets in the browser
• show bounding box citations over scanned documents
• build a finder-style file browser for s3 objects
• let users split long pdfs into smaller documents
• build an extraction schema editor with output

When to choose

• you are building document-heavy products like parsers, IDP tools, or agent-facing document workflows
• you want shadcn-style source components you can fully customize with your own design system
• you need viewers plus review surfaces (annotations, e-signature, validation) in one cohesive kit

When to avoid

• you need a drop-in npm package with a stable API rather than copied source code
• your app is not React/Tailwind based
• you only need a minimal PDF viewer and don't want the broader document toolkit

Facets

library · maturity active

ui-components pdf-viewer file-upload frontend-framework web-development frontend pdf files cross-platform react-components shadcn-registry document-viewers tailwind ocr-review e-signature spreadsheet-viewer human-in-the-loop document-processing web-server nodejs

Member repositories

For agents

markdown · JSON · MCP: product_card(name="extend-hq/ui")