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Spreadsheet tool
Rename headers, reorder columns, or drop columns you don't need — then export.
CSV Column Manager lets you rename, reorder, or delete columns in CSV and Excel tables so schemas match importers, APIs, and teammate templates. Edits run in the browser — a fast way to shape exports without opening a full spreadsheet app.
Downstream systems are picky: they want exact header names, a specific column order, and no leftover internal fields. Renaming “Email Address” to “email”, dropping notes columns, and moving IDs first prevents failed imports and messy VLOOKUP setups.
Start from CSV or Excel, adjust the column list, then export CSV or continue into JSON or PDF tools. Keep a copy of the original file; column deletes are intentional and not versioned inside the tool.
UTF-8 remains best practice after you rename headers that include non-English words. Avoid duplicate header names when targeting JSON or databases — duplicate keys confuse many parsers.
Spreadsheet tools on ezToolFlow process CSV/Excel-style data in the browser when possible. Prefer UTF-8 CSV for best compatibility.
Upload the file and verify the detected headers. Fix encoding issues at the source if characters look wrong.
Edit header labels, drag or set a new order, and remove columns you do not want in the export.
Export the result and feed it to your importer, merge step, or API conversion tool.
Align exported headers to the exact names a payroll or CRM template requires.
Drop PII fields before sharing a sheet with contractors or another team.
Rename columns to camelCase or snake_case keys before Excel/CSV → JSON conversion.
Quick answers about tools, privacy, limits, and pricing.
About 20 MB is recommended so the browser stays responsive. Very large sheets may freeze on low-memory devices.
Yes, but prefer simple names if the next system is an API or database. Spaces are fine for human spreadsheets.
Only column positions change; values move with their columns so rows stay aligned.
Column operations are intended to run in your browser so table contents stay on the device for this workflow.
This manager focuses on rename, reorder, and delete of existing columns. Add columns in Excel/Sheets first if you need placeholders.
They are omitted from the exported file. Keep the original upload if you might need those fields later.
Work on one sheet’s tabular region at a time. Select the correct sheet when loading Excel, then export.
Yes. CSV Column Manager is free to use on ezToolFlow. Guests and free accounts may have daily limits on some tools; premium tiers can raise or remove those limits. AI tools may also spend credits.
For browser-based tools, processing runs on your device when possible and files are not uploaded for conversion. Optional accounts, usage limits, and AI features are described in our Privacy Policy.
No for most tools — you can start as a guest. An account helps keep higher daily limits and saved work (for example AI resumes).
Keep working with similar free tools — no signup required for most.
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