High-speed online tools for business files.
Compare Excel sheets, clean CSV datasets, extract catalog images, and process supplier files instantly. No signup required.
Popular Utilities
Most used file tools by businesses and agencies
Compare Excel Files
excel
Diff two Excel sheets and highlight added, deleted, or changed data rows.
Merge Excel Files
excel
Combine multiple Excel workbooks or spreadsheets into one unified file.
CSV Cleaner
csv
Clean whitespace, remove empty rows, deduplicate, and normalize headers in CSV files.
Compare CSV Files
csv
Diff two CSV files line by line and highlight modifications.
Find Duplicate Rows
excel
Detect and extract duplicate rows in Excel and CSV files.
CSV Encoding Fixer
csv
Fix garbled accents and characters by converting CSV files to UTF-8.
Image Dimension Checker
images
Inspect width, height, aspect ratio, and size of uploaded image files.
Image URL Checker
images
Check lists of image URLs in spreadsheet files for 404s and invalid images.
Broken URL Checker
validation
Audit URLs in CSV/Excel sheets for broken links, 404s, and redirects.
Price List Comparator
marketplace
Compare supplier price lists by SKU to track price changes and margin deltas.
Categories
Explore by document type and file operational workflow
Excel
Compare, merge, split, deduplicate, and process Microsoft Excel spreadsheets.
CSV
Clean, re-encode, compare, and validate raw CSV data files.
Extract, convert, merge, compress, and inspect PDF business documents.
Images
Inspect dimensions, verify URLs, extract embedded images, and batch process images.
Marketplace
Compare supplier price lists, match catalog items, and analyze seller inventory.
Validation
Validate EAN/UPC barcodes, verify broken web links, and audit data accuracy.
Files
Rename files using spreadsheet mapping rules and reorganize bulk file assets.
Utilities
Helper utilities for everyday business document and file operations.
Production Tools
Full algorithmic browser file tools ready for work
Compare Excel Files
excel
Diff two Excel sheets and highlight added, deleted, or changed data rows.
Merge Excel Files
excel
Combine multiple Excel workbooks or spreadsheets into one unified file.
CSV Cleaner
csv
Clean whitespace, remove empty rows, deduplicate, and normalize headers in CSV files.
Compare CSV Files
csv
Diff two CSV files line by line and highlight modifications.
Find Duplicate Rows
excel
Detect and extract duplicate rows in Excel and CSV files.
CSV Encoding Fixer
csv
Fix garbled accents and characters by converting CSV files to UTF-8.
Image Dimension Checker
images
Inspect width, height, aspect ratio, and size of uploaded image files.
Image URL Checker
images
Check lists of image URLs in spreadsheet files for 404s and invalid images.
Broken URL Checker
validation
Audit URLs in CSV/Excel sheets for broken links, 404s, and redirects.
Price List Comparator
marketplace
Compare supplier price lists by SKU to track price changes and margin deltas.
Engineered for Privacy & Sub-Second Execution
Why thousands of professionals rely on BusinessToolkit
100% Browser Private
Files are processed algorithmically in your browser memory. Data never gets uploaded to third-party cloud servers.
Instant Execution
No queuing, no email download links, no waiting. Process spreadsheets and export files in milliseconds.
No Signup Required
Zero login friction. Open any tool page, drag your file, and download your processed result immediately.
Frequently Asked Questions
No. BusinessToolkit operates using client-side Web APIs and algorithmic processing inside your browser memory. Your files never touch an external server.
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