Interactive Virtualized Data Explorer Grid Widget R package dtsmartr version 0.4.1 Provides an interactive, virtualized data explorer widget for 'R'. Built on 'React' (via 'reactR') and 'htmlwidgets', it offers column-type detection, multi-value checkbox filtering, sorting, column visibility toggling, virtual scrolling for large datasets, and a full-viewport modal. Includes 'dtsmartr_launch()' with an interactive, zero-code file upload wizard using 'datamods'. Widgets can be embedded in 'R Markdown' / 'Quarto' documents, 'Shiny' applications, or exported as standalone HTML files via 'save_dtsmartr()'. Software Imports: arrow, base64enc, datamods, htmltools, htmlwidgets, jsonlite, reactR, shiny, tools, utils Suggests: bslib, knitr, pharmaverseadam, rmarkdown, testthat (>= 3.0.0) Nikhil Wagh <nmw1986@gmail.com> Comprehensive R Archive Network (CRAN) Nikhil Wagh [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=dtsmartr/LICENSE) 2026-07-16 application/tgz https://CRAN.R-project.org/package=dtsmartr doi:10.32614/CRAN.package.dtsmartr