DataLens Pro — Excel Analyzer

Analyze, visualize and pivot Excel/CSV data instantly. Professional analytics in your browser.

Analyze, visualize and export your Excel and CSV data — right inside Chrome, with zero server uploads. Every byte of your data stays on your device. DataLens Pro opens as a full browser tab, giving you a professional data analytics workspace that works on any file, any time, with no account required. ──────────────────────────────────────────────── 📊 INSTANT COLUMN STATISTICS ──────────────────────────────────────────────── • Min, max, mean, median, standard deviation, sum, quartiles • Unique value counts, most common values (top 10), null detection • Data quality score across all columns • Auto-generated insights: outliers, skew, distribution patterns ──────────────────────────────────────────────── 📈 INTERACTIVE CHARTS (Free: 3 types · Pro: all 7) ──────────────────────────────────────────────── • Bar, Line, Pie — free for all users • Area, Donut, Scatter, Horizontal Bar — Pro • 6 color palettes: Vivid, Ocean, Neon, Warm, Emerald, Spectrum • Toggle data labels, grid lines, and chart legend independently • Interactive tooltips on hover ──────────────────────────────────────────────── 🔄 PIVOT TABLE BUILDER (Pro) ──────────────────────────────────────────────── • Drag-and-drop Row / Column / Value fields • 5 aggregation modes: Sum, Average, Count, Min, Max • Optional heatmap overlay and grand totals • Export pivot as CSV or PDF ──────────────────────────────────────────────── 📤 EXPORT FROM EVERY PANEL ──────────────────────────────────────────────── Free users: • CSV download from the Data tab Pro users (all of the above plus): • JSON export • Chart PNG screenshot • Chart PDF via print dialog • Pivot table CSV + PDF • Data table PDF (up to 500 rows) • Summary PDF with KPI cards • Full Analysis Report PDF (stats + insights + sample data) ──────────────────────────────────────────────── 🔒 YOUR DATA NEVER LEAVES YOUR DEVICE ──────────────────────────────────────────────── All file parsing, statistics computation, chart rendering, and export happen entirely inside your Chrome browser tab. No file contents are transmitted, uploaded, logged, or shared — ever. DataLens Pro works fully offline after installation. ──────────────────────────────────────────────── 💎 FREE & PRO PLANS ──────────────────────────────────────────────── FREE (no account, no payment): ✓ 20 file uploads per calendar month (auto-resets on the 1st) ✓ First 5,000 rows of each file ✓ All statistics and insights ✓ 3 chart types (Bar, Line, Pie) ✓ Sortable, searchable data table ✓ CSV export PRO — One-time payment, lifetime access: ✓ Unlimited file uploads ✓ Full data — all rows, no cap ✓ All 7 chart types ✓ Full Pivot Table builder ✓ All export formats (JSON, PNG, PDF, Full Report) ✓ Priority support ✓ All future updates included Payment: ৳550 (bKash) or $4.99 (Payoneer/International) No subscription. No account. Activate instantly with a license key. ──────────────────────────────────────────────── 📁 SUPPORTED FILE FORMATS ──────────────────────────────────────────────── • Microsoft Excel: .xlsx, .xls • Comma-Separated Values: .csv • File size: up to 10MB ──────────────────────────────────────────────── 🌙 DAY & NIGHT THEMES ──────────────────────────────────────────────── Switch between a dark navy theme (default) and a clean light theme. Your preference is saved automatically.