Operations
Clean customer, order, inventory, supplier, and support exports before importing them into internal systems.
For people who handle messy exports.
CSV Power Editor fits the daily handoff between SaaS exports, internal systems, databases, dashboards, ad platforms, CRMs, and spreadsheets.
How-to guides
Step-by-step guides for common CSV jobs.
Practical walkthroughs for the conversions and cleanups people search for every day — each one done locally on your Mac.
Convert Excel to CSV on Mac
Turn XLSX sheets into clean UTF-8 CSV files without broken characters, mangled delimiters, or Excel.
Read the guide
Convert CSV to Excel (XLSX) on Mac
Open any CSV — semicolon, tab, or odd encoding — and save it as a clean Excel workbook.
Read the guide
Remove Duplicates from CSV Files
Find exact and fuzzy duplicate rows by key columns, preview what gets removed, then apply with undo.
Read the guide
Compare Two CSV Files on Mac
Get a reviewable compare workbook with matched keys, changed columns, and missing rows.
Read the guide
Merge CSV Files into One
Combine multiple CSV or Excel exports into one workbook, dedupe the result, and export.
Read the guide
Open Large CSV Files on Mac
Edit big exports with a disk-backed grid tested on 75,000-row files, live filters, and fast search.
Read the guide Advanced workflows
Real business jobs, start to finish.
Multi-step reconciliation and migration workflows that connect exports from CRMs, stores, ERPs, and payment processors — without customer data leaving your Mac.
Reconcile CRM and Ecommerce Customer Data
Match customer lists from your CRM and store by email, find missing records, and build one master list.
Read the workflow
Clean and Prepare Data for ERP Migration
Normalize legacy exports, dedupe master records, and validate fields before they hit the ERP importer.
Read the workflow
Reconcile Orders Against Payout Reports
Match orders to payment processor payouts by order ID and surface missing or mismatched transactions.
Read the workflow
Clean Email Lists Before You Import
Merge list sources, dedupe by email, fix casing, filter invalid rows, and flag unsubscribed addresses.
Read the workflow
Automate CSV Cleanup with AI Agents
Connect Claude Desktop or Cursor over local MCP and watch the agent clean the open workbook live.
Read the workflow Personas
One app, several cleanup jobs.
The same core loop works across roles: inspect the file, clean the data, review the output, and export with confidence.
Marketing
Dedupe lead lists, normalize campaign fields, filter segments, and export clean rows for email and ad platforms.
Data analysis
Prepare raw CSV/XLSX files before they enter analytics workflows, dashboards, notebooks, or databases.
Founders
Fix spreadsheets without one-off scripts, cloud upload tools, or a subscription for a small practical utility.
Developers
Use MCP to inspect and operate on the visible workbook from Claude Code, Claude Desktop, Codex CLI, or Cursor.
Small teams
Give non-technical teammates a visual workflow for repeated spreadsheet cleanup without custom scripts.
Common workflows
Built around jobs that repeat.
The app is not trying to be a BI platform or a spreadsheet suite. It is the preparation step that makes downstream tools cleaner.
CRM import cleanup
Normalize names, emails, statuses, tags, dates, and duplicates before importing customer records.
Campaign list preparation
Filter segments, dedupe leads, clean UTM columns, and export only matching rows.
Vendor or supplier file review
Compare weekly exports, identify missing rows, and generate reviewable workbooks.
Excel-to-system handoff
Clean text, split columns, convert date formats, and remove blank rows before upload.
Agent-assisted data prep
Ask an MCP-enabled agent to inspect, filter, trim, dedupe, export, and save while you watch.