Stop losing data to auto-formatting.
A lightweight alternative to Microsoft Excel and Google Sheets. Open, edit, and compare CSV files exactly as they are. No auto-formatting, ever.
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Original
5551234567
MAR1
00123Excel
5.55E+10
01-Mar
123✕PocketCSV
5551234567
MAR1
00123✓What You See Is What You Get
We render raw text only. No auto-formatting. No "01-Mar" conversions. Just your data, exactly as it was saved.
Visual Grid Diff
The power of git diff for everyone. See exactly which cells changed between versions of your file.
Built for Scale
Open files instantly as many times as you want. No lag, no spinning wheels, and no browser crashes.
Smart Column Matching
Automatically maps headers between versions for faster and accurate comparisons.
Instant Data Profiling
Get immediate statistical summaries, including null counts, unique values, and formulaic results for any column.
Privacy First Security
All data stays local in your browser. No files are uploaded to our servers without your consent.
One-Click Validation for your Tech Stack.
Shopify
Preserves SKU formats and validates variant structure.
Facebook Ads
Checks audience list uploads for proper hashing and formatting to maximize match rates for custom audiences.
Workday
Ensures employee payroll data and tax identification numbers align with specific HRIS column schemas.
Salesforce
Checks for column alignment before you import.
QuickBooks
Cleans transaction history to prevent duplicate entries and mismatched chart of accounts during import.
Zendesk
Verifies ticket formatting and data integrity for support logs.
HubSpot
Validates contact lists and leads structure before CRM sync.
Amazon Seller Central
Validates flat-file templates to ensure product dimensions and weights match Amazon's strict requirements.
Simple, Transparent Pricing.
Pro License
$9.99USD/one-time
- ✓ Everything in Free
- ✓ Visual Grid Diff
- ✓ Magic Wand Bulk Cleaning
- ✓ Professional Exports
- ✓ Priority Support
- ✓ Files up to 100MB
- ✓ Lifetime Deal: Free Forever Including Future Updates
*Prices are shown in USD, this may vary depending on your location.
Frequently Asked Questions
What exactly is PocketCSV?
PocketCSV is a browser-based, privacy-first utility designed for fast, clean editing and comparison of data files. Unlike Excel or Google Sheets, it renders raw text only, ensuring your data is never auto-formatted, corrupted, or stripped of leading zeros.
How does PocketCSV protect my privacy?
Our architecture is entirely client-side. This means your files are processed directly in your browser and are never uploaded to our servers. Your data stays on your machine.
Why shouldn't I just use Microsoft Excel or Google Sheets?
PocketCSV is designed to be a lighter tool for exactly this job. Microsoft Excel and Google Sheets are full spreadsheet suites in which they auto-format aggressively because they assume you want calculations, not raw data. PocketCSV does one thing: opens and edits your CSV exactly as it's stored on disk.
What is the "Visual Grid Diff"?
It is a side-by-side comparison tool that scrolls in sync. It highlights specific cell changes, added rows, and deleted rows, allowing you to audit differences between two files without writing complex VLOOKUP or Python scripts.
Does it handle large files?
Yes. While traditional spreadsheet software often lags or crashes with large datasets, PocketCSV is optimized to handle extra large files with high performance.
Can I use it on a Mac or Linux?
Since PocketCSV is browser-based, it works on any operating system with a modern web browser (Chrome, Firefox, Safari, or Edge) without the need for installation.
Is there a way to undo my changes?
Yes! PocketCSV tracks your editing history, allowing you to revert edits or bulk cleaning actions before you save your final file.
How do I get my Pro License?
You can upgrade directly within the app. Once the one-time payment is processed, your Pro features are instantly unlocked on your current browser.
Will you offer subscription-based pricing?
We want to keep this product as affordable as we can. There is always a chance for you to grab the lifetime deal so that you can continue to receive new updates at no extra cost. However, we are currently in the process of bringing a monthly or yearly subscription offer for users in the future.