Merge Excel
Combine multiple Excel or CSV files into a single file with multiple sheets or a single unified list.
Split by Column
Separate a master sheet into multiple tabs based on the unique values of the column you choose.
Split by Rows
Slice a huge file into multiple tabs based on a row count limit (e.g., every 1000 rows).
Transpose Data
Swap rows and columns. What was horizontal becomes vertical and vice versa.
Excel to CSV
Convert your Excel spreadsheets to standard CSV format instantly.
CSV to Excel
Transform flat CSV files into a fully functional Excel (.xlsx) file.
Excel to JSON
Convert your spreadsheet into JSON format, ready for software integration.
Remove Duplicates
Scan your spreadsheet and remove duplicate rows to keep only unique records.
Clean Empty Rows
Detect and delete all rows that do not contain any data in your document.
Clean Text (Trim)
Remove accidental whitespace at the beginning or end of cells in the entire sheet.
Clean Accents & Accidental Chars
Remove accents (á->a), diaereses, and special characters from text. Ideal for strict database uploads.
Fill Down
Fill empty cells by copying the value of the cell above. Perfect for fixing exported Pivot Table reports.
Global Find & Replace
Search for specific text across the entire sheet and replace it massively in a single click.
Format Text
Convert an entire column to UPPERCASE, lowercase, or Title Case in one second.
Group & Sum
Group data by a category and sum numerical values, creating a pivot table summary.
Cross Data (VLOOKUP)
Join two different files by matching a key column, and fetch information from the second file without formulas.
Unpivot Table
Convert reports with months in columns into a flat database (Attribute/Value) perfect for Pivot Tables.
Compare Files (Diff)
Upload an "Old" and "New" file. Automatically detect which rows were added and which were removed.
Mass Filter (By List)
Upload your database and a list of IDs. Extract only the database rows that match your list.
Anomaly Detector
Mathematically analyze a numeric column to detect suspicious values (Outliers) far from the average.
Cross Tab (Pivot)
Generate a management report crossing two variables (Rows vs Columns) and summing their values.
Standardize Dates
Fix messy dates (Excel serial numbers, raw text formats) and unify them into a clean standard (YYYY-MM-DD).
Group by Ranges (Bucketing)
Classify numerical data (like ages, prices) into blocks or ranges (e.g., in bins of 10) to facilitate demographic analysis.
Count Unique Values
Group by a category and count how many DIFFERENT items exist in another (e.g., unique customers per country).
Extract Emails
Scan messy text and extract all valid email addresses to a clean list.
Extract Domains
Scan text or email lists and extract the corporate domains (e.g. from john@microsoft.com, extract "microsoft.com").
Extract Numbers
Clean dirty text and extract only numeric values to perform mathematical calculations.
Split Text
Divide a column containing full names or long text into multiple columns using a delimiter.
AI Query
Ask questions in natural language to your spreadsheet.
Privacy by Design
Unlike other converters, xsheetkit processes your spreadsheets locally and directly inside your browser. Your financial or personal data never travels across the internet.
No Waiting Times
By running locally on your own machine, processing large Excel files is up to 10x faster than uploading to cloud servers. Say goodbye to upload queues!
Works Offline
Once the application loads, you can continue using all cleaning and conversion tools even if you lose your Internet connection.
How does xsheetkit work?
1. Select a Tool
Choose from 30 available utilities organized into intuitive categories.
2. Upload your Files
Securely drag and drop your XLSX or CSV files. A preview will generate instantly.
3. Download Instantly
Configure columns or rules, run the process, and get your cleaned file in a second.