Extract Excel Columns at
47,600 Rows Per Second
1 million rows extracted in 21 seconds. Multi-sheet support with row filtering, column renaming, and data type control — all in your browser. Files never leave your machine.
Tool Speed Comparison
| Tool | Speed (rows/sec) | 100K Rows | 1M Rows | Upload Required |
|---|---|---|---|---|
SplitForge FASTEST | 47,600 | 2.1s | 21s | None |
Python (pandas) | 35,000 | 2.8s | 28s | None |
VBA Macro | 8,000 | 12.5s | 125s | None |
Cloud Tools | 2,200 | 45s* | 200s* | Required |
Excel (manual) | 800 | 5+ min | N/A | None |
* Cloud tool times include upload duration on a 500 Mbps connection. Python times reflect DataFrame processing only, no install overhead. Excel (manual) reflects human interaction time. Results vary ±15–20% by hardware and browser.
Scalability Across File Sizes
Processing time by file size, across three operation modes. Test config: Chrome 132, Windows 11, 64GB RAM, i5-12600KF, February 2026. Results vary ±15–20% by hardware.
| File Size | Cols | Standard | With Filters (3) | Multi-Sheet (3) | Speed |
|---|---|---|---|---|---|
| 1K rows | 10 | <0.1s | <0.1s | <0.1s | 47,600/s |
| 10K rows | 10 | 0.2s | 0.3s | 0.3s | 47,600/s |
| 50K rows | 10 | 1.1s | 1.3s | 1.5s | 47,600/s |
| 100K rows | 10 | 2.1s | 2.5s | 2.9s | 47,600/s |
| 500K rows | 8 | 10.5s | 12.4s | 14.1s | 47,619/s |
| 1M rows PEAK | 4 | 21.0s | 25.2s | 28.8s | 47,533/s |
Feature Overhead Breakdown
Overhead measured against standard extraction baseline (100K rows, 10 columns).
Time Saved Calculator
Limitations & Workarounds
We believe in honest capability disclosure. Here is where SplitForge Excel Column Extractor has real limits — and what to do about them.
Performance FAQs
Extract Your Columns in Seconds
No Excel. No Python. No uploads. Just pick your columns and download.