VelocitySheet-XLSX CSV Editor

Open, edit, and calculate with large CSV, XLSX, and JSON files directly on your Android device. Completely offline. No upload, no cloud, no waiting.

Most spreadsheet apps on Android struggle past a few thousand rows. Velocity Sheet Pro is built specifically for large files. It streams data off disk rather than loading everything into memory, so you can scroll through hundreds of thousands of rows without the app freezing or crashing.
What it does
- Opens CSV, XLSX, and JSON files from your device storage
- Scrolls and renders large files smoothly using a custom renderer component
- Search across all cells with result count and jump navigation
- Instant Sorting: Organize thousands of rows in seconds. Sort any column with a single tap
- Edit cells with full undo and redo support
- Freeze header rows so column names stay visible while you scroll
- Jump directly to any row by number
- Multi-sheet XLSX workbooks are supported
- All processing happens on-device. Your files never leave your phone.

Formula support
Write real spreadsheet formulas directly on your device - no cloud, no import required.
- Type = to start a formula in any cell
- Autocomplete suggests functions as you type, with live syntax error highlighting
- Formulas are saved and reloaded correctly in XLSX files
- Formula bar always shows the raw expression for the selected cell
- In-app function reference with signatures and examples for every supported function
Free tier View files up to 100,000 rows. Edit files up to 25,000 rows. Banner ads shown on the home screen. You can watch a rewarded ad to unlock a full session for larger files.

Premium
Removes all row limits and all ads.

Stop waiting for files to load. Download Velocity Sheet Pro and handle your data like a pro today.

We appreciate any helpful feedback,comment or suggestion so feel free to contacts us at: sdremthix@gmail.com