Category
Spreadsheets Tools
9 free spreadsheets tools on Toolenza. No signup, no upload by default — browser-only privacy where possible.
All-in-one
Every spreadsheet tool in tabbed view
Excel Tools
CSV ↔ XLSX, preview, clean spreadsheets
CSV Viewer
Open, search, sort, and filter any CSV
Compare Files
Diff two CSVs — what changed, added, removed
Dedupe
Remove duplicate rows from a CSV
Excel Viewer
Open .xlsx / .xls / .ods in your browser
Merge / Lookup
Join two files on a key (VLOOKUP-style)
Split CSV
Break a big CSV into smaller files
Clean Data
Trim, fix case, drop blanks, normalize
Embed these tools on your site
Every tool above has a one-line <iframe> snippet. Drop it into any blog, lesson plan, or knowledge base — your readers get the tool, you get a "Powered by Toolenza" link back.