CSV Splitter

Break big CSVs into downloadable ZIP parts — no server upload.

Privacy-first — format, validate and inspect data entirely in your browser. Nothing is uploaded to FreeConverter.

Paste data

Tip: drag & drop a supported file onto this area.

Upload File

Tool Options

Split by

Custom rows

Results

Results will appear here…

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How It Works

Inspector + formatter workflows for developers and QA.

⎘

Paste or upload

Paste data or drop XML, YAML, JSON, CSV, SQL or TXT. Nothing is uploaded to our servers.

→

⚙

Inspect & process

Format, validate or convert in your browser with structure stats and quality warnings.

→

⇩

Copy or download

Export TXT, JSON, YAML, CSV, SQL, Excel or ZIP instantly.

Your data stays on your device — format, validate and convert locally.

About CSV Splitter

Split large CSV files by row count (100/500/1000) or approximate size (5MB/10MB) and download a ZIP of part files — entirely in your browser. Part of FreeConverter’s Developer Data Toolkit for XML, YAML, CSV, SQL and API payloads.

FAQs

Is my data uploaded?

No. The Developer Data Toolkit runs entirely in your browser. FreeConverter servers never receive your input.

Who is this for?

Developers, DevOps, API engineers, DBAs and QA — for formatting, validating and inspecting structured data.

Is this free?

Yes. FreeConverter.app browser developer tools are free to use.