Excel Previewer
Quickly inspect large Excel files – view sheets, search data, analyze columns, detect duplicates
World-Class Features: Global search across all sheets · Row quality diagnostics · Column statistics · Detect duplicates · Sort preview · Formula detection · Data type analysis · Jump to any row. Privacy first: Everything runs in your browser – your files never leaves your device.
Benchmark Performance
Real-world tested, production-ready
312K rows/sec
1M+ rows
Instant preview
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