Detect and delete hidden and VBA-hidden (VeryHidden) sheets from XLSX files. Developer tier. Browser-local.
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Upload your XLSX file
ExcelJS enumerates all sheets including VeryHidden ones
Choose a mode — List only, or delete Hidden / VeryHidden / all hidden — then download
0 bytes uploaded. Hidden Sheet Destroyer runs entirely in your browser using SheetJS and ExcelJS. Your spreadsheets never leave your device.
Hidden sheets can be un-hidden from the Excel UI. VeryHidden sheets require VBA code to un-hide — they are invisible in the standard sheet tab context menu.
Not always — some hidden sheets store lookup data for visible-sheet formulas. Run List-only mode first to see the hidden sheet names and counts (open the file in Excel to inspect their contents), then pick a delete mode.
Remove all VBA macro code from .xlsm files by extracting and deleting xl/vbaProject.bin. Output is safe .xlsx. Browser-local.
Open toolReplace every formula cell with its last-computed value. Share spreadsheets without exposing business logic. Browser-local.
Open tool