Is CSV & Excel Deduplicator & Splitter completely free to use?

Yes, CSV & Excel Deduplicator & Splitter is 100% free with no registration, no watermarks, and no software installation required.

Is my data secure and private?

Yes. All calculations and transformations run with privacy-first standards. Client-side utilities run locally in your browser, and server-assisted operations auto-purge files within 1 hour.

Can I use this tool on my mobile phone or tablet?

Yes! CSV & Excel Deduplicator & Splitter is fully responsive and optimized for touchscreens on iOS Safari, Android Chrome, tablets, and desktop browsers.

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Developer & Data Utilities•Instant Client-Side

CSV & Excel Deduplicator & Splitter

Remove duplicate rows from massive CSV/Excel sheets and split large files into smaller chunks with zero server uploads.

Direct Answer (Quick Result)

CSV & Excel Deduplicator & Splitter on ApexTools is a free, privacy-first online utility. All computations and file transformations process locally or within private auto-purged memory with zero sign-up.

Instant browser processing Private & Auto-Purged•Updated:2026-09-18

100% In-Browser Data Processing

Your CSV and Excel datasets are parsed, cleaned, deduplicated, and split completely in your browser RAM with zero server transfers.

CSV & Excel Deduplicator & Chunk Splitter

Deduplicate millions of records by custom primary keys or full rows, filter data, and split massive sheets into smaller chunks bundled in a single ZIP.

Drag & drop your file here, or browse

Max file size: 100MB (Free Tier)

Handles up to 500000+ rows directly in browser memory • 100% Secure

How to Convert with CSV & Excel Deduplicator & Splitter

Follow these 3 simple steps to complete your conversion in seconds.

Step 1 of 3

Enter Input Value or Data

Input your value or paste text into the input field for CSV & Excel Deduplicator & Splitter.

💡 Tip: Supports real-time computation as you type.

Step 2 of 3

Adjust Settings or Units

Select desired output format, decimal precision, or transformation flags.

Step 3 of 3

Copy or Save Output

The result is calculated instantly. Click Copy or Download to save your converted result.

Frequently Asked Questions

Common questions and answers about CSV & Excel Deduplicator & Splitter.

CSV & Excel Deduplicator & Splitter executes standard algorithmic transformation to convert Input into Output with maximum accuracy and high performance.