XLS
XLS spreadsheet formatUsed for structured rows and columns of calculated data.
- Family
- Documents
- MIME
- application/vnd.ms-excel
To convert XLS to JPG, upload the XLS file, start the conversion and download the result: Converter.now writes a JPEG at quality 90. The document is laid out by LibreOffice, then every page is rendered as its own JPG at 144 ppi; several pages download as a ZIP.
Only the visible cells and print layout of XLS get paginated and rendered as JPG pixels. Formulas, filters, hidden sheets, cell types, and cross-sheet relationships never become operable features of that image. XLS uses a legacy binary workbook stream whose formulas, shared strings, formats, sheets, charts, and date system must be interpreted before export. JPG delivery writes opaque, lossy photographic pixels; quality must be judged around high-contrast edges, gradients, fine texture, orientation, and repeated-encode damage.
Starting model: the legacy binary Excel workbook with cells, formulas, formats, and older size limits. Rendered result: lossy JPEG-compressed pixels optimized for photographs and broad compatibility.
Starting from another format? Check which other files convert to JPG.
Background reading: resolution, PPI and DPI explained covers why pixel dimensions, not the PPI tag, decide detail.
Used for structured rows and columns of calculated data.
Designed for photos and compact web images.
JPG is right for a fixed snapshot of one known range. Anything needing recalculation, sorting, accessible tables, multiple sheets, or actual cell values still needs XLS.
Recalculate in the target Excel version and inspect formulas, dates, named ranges, charts, and sheet count.
View text edges, faces, gradients, and high-contrast detail at the intended display size.
Newer functions, long worksheets, charts, macros, and date systems may not fit the XLS model.
Repeated encoding introduces ringing or blocks, and transparent areas must become opaque.
lossy JPEG-compressed pixels optimized for photographs and broad compatibility is what gets written, labeled as image/jpeg. Whether that actually opens depends on the receiving application, not on the file extension.