What is the duplicate detection?
The duplicate detection is a free validator for data-quality utilities. It keeps the supported facts, owner, status, evidence references and uncertainty together for review.
Use the working area above to create, inspect, edit and delete records. Download a backup whenever you need a separate copy.
Before you start
- Decide the internal purpose of the duplicate detection.
- Identify who owns the record and can review the required fields.
- Keep source documents and confidential files in the organization’s approved systems.
Why use this tool?
- Keep record title, owner, status in one reviewable record.
- Use the supported duplicates operation without uploading customer files to our servers.
- Prepare pdf review, docx working record, xlsx records from the maintained record.
What should you record?
| Field | What to record | Required |
|---|---|---|
| Record title | The record title for this record. | Yes |
| Owner | The owner for this record. | Yes |
| Status | The status for this record. | Yes |
| Customer-defined review month | The customer-defined review month for this record. | No |
| Evidence notes | Write a reference or note. Files, filenames and extracted content stay in this browser. | No |
| Notes and uncertainty | The notes and uncertainty for this record. | No |
| Primary dataset | The primary dataset for this record. | Yes |
| Primary match column | The primary match column for this record. | Yes |
How does it work?
- 1Start a record
Add record title, owner, status and mark unknown facts instead of guessing.
- 2Review the working result
Inspect the duplicates result and resolve any visible input errors.
- 3Save and maintain it
Keep the browser copy current, assign an owner and use your own review date.
- 4Back it up
Download the available backup or family pack before clearing browser data or changing devices.
What can you produce?
- PDF review
- DOCX working record
- XLSX records
- JSON backup
- source/version manifest
- derived CSV dataset
The paid tool export contains only this tool’s records. An incomplete record never proves compliance.
Where does the information go?
Approved structured answers
Record title Owner Status Customer-defined review month Evidence notes Notes and uncertainty
Sensitive working material
Primary dataset, Primary match column stay in this browser.
Files and generated evidence
This tool does not require file uploads.
Sources and review basis
These official sources define the general framework for this administrative tool. Your organization must confirm which rules apply to its facts.
- Federal Records ManagementUS National Archives and Records Administration. Official records management resources. Federal requirements do not automatically apply to private organizations.Official records management resources. Federal requirements do not automatically apply to private organizations.. Reviewed 2026-09-24.
- Data IntegrityNational Cybersecurity Center of Excellence. Reference practices for identifying and responding to data integrity events.Reference practices for identifying and responding to data integrity events.. Reviewed 2026-09-24.
Common questions
What should I put in the duplicate detection?
Start with record title, owner, status, primary dataset. Record known facts, name the owner and mark uncertainty rather than guessing.
What does the duplicate detection produce?
The tool maintains the working record in this browser and supports these outputs. PDF review, DOCX working record, XLSX records, JSON backup, source/version manifest, derived CSV dataset.
Can the duplicate detection decide compliance?
No. Administrative records only. Entries do not determine legal applicability, mandatory retention, statutory deadlines or compliance.
How should I maintain the duplicate detection?
Review it when facts change, keep the owner current and download backups before clearing browser data or changing devices.
Can I edit or delete duplicate detection records?
Yes. Editing, filtering, deletion and browser backups remain available without payment.
Common searches
These are recognized names and task phrases for this tool. Search uses them locally in this browser.
- Duplicate detection
- data quality
- spreadsheet checks
- find duplicate records
- duplicate check
Show 4 more search terms
- Record title
- Owner
- Status
- Customer-defined review month
What this tool does not decide
Administrative records only. Entries do not determine legal applicability, mandatory retention, statutory deadlines or compliance.