Regex Tester

Test regular expressions live

About Regex Tester

Test regular expressions live. It runs right in your browser — free with a Xease account and no watermark. Wherever possible your files are processed on your own device and are never uploaded, so your data stays private.

Frequently asked questions

Is Regex Tester free?

Yes. Regex Tester is completely free on Xease with a free account — no watermark and no limits for normal use.

Do I need an account to use Regex Tester?

Yes. Sign in with a free Xease account to run Regex Tester and download your files. It takes a few seconds with Google.

Are my files uploaded to a server?

Wherever possible, Regex Tester runs entirely in your browser, so your files stay on your device and are not uploaded.

Do I need to install anything?

No. Regex Tester works in any modern web browser on desktop or mobile — nothing to download or install.

JSON Formatter

Format, validate and minify JSON

CSV to JSON

Convert CSV data to JSON and back

Base64 Encode / Decode

Encode or decode Base64 text

URL Encode / Decode

Escape or unescape URL strings

UUID Generator

Generate random v4 UUIDs

Password Generator

Strong random passwords