Test CSV
Test whether text is well-formed CSV with the same number of fields on every row.
FreeNo uploadNo sign-up
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How to use the Test CSV
- Type or paste your input into the Input box, or upload a text file.
- Adjust the options under the tool. The result updates as you type.
- Copy the output or download it as a file.
Private by design
The Test CSV runs entirely in your web browser. Nothing you enter or open here is uploaded to a server, so it is safe to use with private data and works even when your connection drops after the page has loaded.
Frequently asked questions
Is the Test CSV free?
Yes. The Test CSV on Codegres.org is completely free, with no sign-up, no limits and no watermark.
Is my CSV uploaded anywhere?
No. The Test CSV runs entirely in your browser using JavaScript, so your CSV never leaves your device and is not stored or seen by anyone.
Does the Test CSV work on my phone?
Yes. It works in any modern browser on Android, iPhone, Windows, Mac and Linux, with nothing to install.