Tools
Keyword Match Type ToolFormat keywords into broad, phrase & exact Match Type RemoverStrip match type brackets from keyword lists
CSV CleanerRemove duplicates, trim spaces, fix formatting CSV MergerCombine multiple CSV files into one TSV MergerMerge tab-separated files instantly Excel Sheet MergerCombine multiple Excel workbooks
Text Case ConverterConvert text to any case format
PDF MergerCombine multiple PDFs into one document PDF ConverterConvert files to and from PDF instantly
Blog Contact
Excel & Data Tools

Tools for wrangling
spreadsheets and data

Merge CSV files, clean up messy spreadsheets, combine Excel workbooks — all free, no login, runs entirely in your browser.

✓ No sign-up ✓ Runs in browser ✓ Data stays local ✓ 100% free
📊
Excel Sheet Merger
Merge multiple .xlsx files into one. Matching sheets appended, unique sheets carried over.
Open tool →
📄
CSV Merger New
Merge multiple CSV files into one. Columns matched by header, duplicates optional.
Open tool →
📄
TSV Merger New
Merge multiple TSV files into one tab-separated file. Columns matched by header, duplicates optional.
Open tool →
🧹
CSV Cleaner New
Remove duplicates, trim whitespace, and fix common formatting issues in CSV files.
Open tool →
📊
CSV to Excel New
Convert one or multiple CSV files to .xlsx instantly. Auto-detects delimiter. Batch output as ZIP.
Open tool →
🔢
Column Deduplicator Soon
Paste a list of values and remove duplicates instantly. Case-sensitive or insensitive.

Run a website, blog, or store? The same team behind this tool built Zerith — an AI tool that finds keywords worth writing about and turns them into a content plan. Free to start →

About Excel & Data Tools

Spreadsheet tools built for data workers

These Excel and data tools are part of ToolTab — a free collection of browser-based utilities for marketers, PPC managers, and data workers.

Whether you're combining weekly CSV exports, cleaning up a messy spreadsheet, or merging workbooks from different teams — everything runs locally in your browser. Your data never leaves your device.

Principles
🔒 Privacy first
Your files and data never leave your browser. Everything runs locally. Read our Privacy Policy →
⚡ No friction
Open a tool, drop your files, done. No sign-up, no install, no waiting.
🔨 Built from real workflows
Every tool here came from a real problem — not a feature list.