Excel Utilities & Workbook Tools
Powerful browser-native tools to compare workbooks cell-by-cell, merge sheets, clean messy tables, and convert Microsoft Excel (.xlsx/.xls) files.
Excel Compare & Cell Diff
Compare two Excel workbooks side by side with sheet selection, added/removed row metrics, and individual cell value diffing.
Open tool →Excel Sheet & Workbook Merger
Combine multiple Excel files or sheets together by appending rows, matching column headers, or merging by a key column.
Open tool →Excel Data Cleaner
Strip empty rows/columns, remove duplicates, normalize headers, convert dates, and clean up messy workbooks.
Open tool →Excel to CSV Converter
Extract any sheet from Excel (.xlsx/.xls) into clean, standard CSV or TSV with customizable delimiters.
Open tool →CSV to Excel Converter
Generate styled native Microsoft Excel (.xlsx) workbooks from delimited text files with automatic cell type formatting.
Open tool →Excel & Spreadsheet Viewer
Open and inspect Excel workbooks or CSV files in your browser with search, sorting, and pagination without Office installed.
Open tool →Advanced Excel processing without Microsoft Office
Analyzing, merging, and cleaning complex spreadsheets often requires expensive desktop software or suspicious cloud upload services. DailyUtils brings native OpenXML parsing directly into modern web browsers, giving you access to professional workbook comparison, multi-file merging, and data normalization tools anywhere.
Whether you are reconciling financial ledgers between quarters, aggregating monthly division reports, or standardizing date formats across hundreds of entries, every transformation is instant, deterministic, and completely private.
Frequently asked questions
Can I compare two Excel files cell by cell?
Yes. The Excel Compare tool compares two .xlsx files, matching by row index or key columns, and highlights modified cells with old vs new values, added rows, and removed rows.
How does the Excel Sheet Merger work?
You can upload multiple Excel workbooks or multi-sheet files, select the worksheets you want to combine, and choose whether to append rows, match columns, or merge by a key column into a single master workbook.
What does the Excel Cleaner do?
It offers one-click checkboxes to strip empty rows and columns, remove duplicate entries, trim whitespace, normalize column headers, and format dates into clean ISO standards.
Are my Excel files uploaded to a remote server?
No. The entire workbook parsing, sheet decompaction, and file synthesis happen 100% locally in your browser with WebAssembly and JavaScript typed arrays.