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SPARKPOND / CATEGORY
CSV Analysis and Validation Tools
Analysis should explain its evidence. Metrics, invalid examples and differences link back to rows in the local workspace.
Problems covered
What you can solve
- ✓ Unknown data quality.
- ✓ Business-rule failures.
- ✓ Changes between versions.
- ✓ Need a targeted subset or stable order.
5 tools
Tools in this category
Profile and Analyze a CSV Online
Profile CSV or TSV data locally with row, column, type, missing, distinct, duplicate and structural metrics. Review invalid examples without an account.
Open →Validate a CSV File Online
Validate CSV or TSV locally with required, type, range, length, regex, allowed-list and cross-column rules. Export valid and invalid rows without an account.
Open →Compare Two CSV Files Online
Compare two CSV or TSV versions locally by a chosen key. Find added, removed and changed rows, inspect duplicate keys and export a report without an account.
Open →Filter CSV Rows Online
Filter CSV or TSV rows locally with equals, contains, ranges, dates, regex and AND/OR rules. Keep or remove matches and download without an account.
Open →Sort a CSV by Multiple Columns
Sort CSV or TSV locally by multiple text, number or date columns. Control direction, empty values and stable priorities, then download without an account.
Open →Choose well
Which tool should you use?
Rows must follow formal rules.
Use CSV Validator.
Two versions must be reconciled.
Use Compare CSV.
Guides
Understand these problems
How to Compare Two CSV Files by a Key
A stable key lets rows move without looking changed and connects old and new versions for field comparison.
Read →CSV Formula Injection: Risks and Safe Exports
A spreadsheet may interpret cells beginning with =, +, -, @, tab or carriage return as formulas when a CSV opens.
Read →How to Preserve Leading Zeros in CSV Files
Leading zeros disappear when identifiers are interpreted as numbers rather than text.
Read →FAQ
Category questions
Does profiling alter data?
No. Profiling and comparison are read-only until you add an operation.
Can validation rules be reused?
Yes. Non-sensitive rule recipes can be stored in the browser.
Can reports be exported?
Yes. Relevant tools create checked CSV or HTML reports locally.