Text Tools

CSV Deduplicator & Whitespace Cleaner

Remove duplicate rows from CSV data and clean trailing whitespace while preserving table structure.

Input Lines

Sorted Output

Total Lines: 0 | Unique: 0

Recommended developer stack

DigitalOcean Cloud $200 free credit

Reliable SSD droplets, managed databases, and Kubernetes clusters deployed in seconds.

Claim $200 free credit
Supabase Postgres Free tier

The open source Firebase alternative. Dedicated Postgres DB, instant Auth, and REST/GraphQL APIs.

Start free project
NordVPN Security 74% off deal

Protect your developer workstations, APIs, and DNS queries with fast, encrypted tunnels.

Get 74% off deal

Affiliate Disclosure: We may earn a commission from partner signups at zero cost to you, which funds our free tools and ad-free hosting.

Frequently Asked Questions

How does it handle headers?

Maintains the top header row while removing duplicates across subsequent data rows.

Can I clean spaces?

Yes, automatically trims extra whitespace around commas.

Is large CSV processing supported?

Easily processes thousands of rows within browser memory.

Embed this Tool on Your Site

Copy and paste this snippet into your blog, documentation, or tech site to embed this interactive utility: