Use ReconNimble offline
Prepare while connected, wait for the “Works offline” confirmation, then open these saved pages without a connection. Browser storage can be cleared by your browser or device. Keep original files and exports separately.
Free tools are available locally. Offline Reconcile starts with free limits; opening your signed-in online Reconcile workspace stores its plan limits for up to seven days. No account session, password or source file is cached.
- Excel and Google Sheets Formula Generator
- Formula Health Checker
- Compare Two Lists
- Remove Duplicates from a List
- Merge and Combine CSV Files
- Compare Two CSV or XLSX Files
- Find Duplicate Rows
- Split Text into Columns
- Smart Schema Mapper
- Spreadsheet Column Profiler
- Key Column Finder
- Spreadsheet Data Quality Checker
- Find Missing Records Between Two Files
- Remove Duplicate Rows from CSV or Excel
- CSV to Excel Converter
- Excel to CSV Converter
- CSV to TSV Converter
- TSV to CSV Converter
- CSV to JSON Converter
- JSON to CSV Converter
- Split CSV or Excel File
- Compare Two Excel Sheets
- Compare Two CSV Files
- Find Missing Rows Between Two Files
- Compare Files by Key Column
- Compare Two Columns Online
- Excel Diff Online
- Remove Duplicates from CSV
- Dedupe a List Online
- Join CSV Files by ID
- Inner Join CSV Files
- Left Join CSV Files
- Right Join CSV Files
- Full Outer Join CSV Files
- Merge Excel Files
- No-Upload CSV Merge
- Combine Files with Different Columns
- Offline Reconcile
- Saved workflows
Chain dedupe, compare, merge and export in a saved workflow.