BDBorderlineDataBreak the code. Not your sanity.

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PRICING

Simple, honest pricing.

No credit card

No account

No passwords to remember

No nonsense

Two tiers. Both are currently free. Yes, you read that right. Both tiers are free.

Free

I just need to break stuff and impress my manager.

 

$ 0

per month. Forever. Pinky promise.

Pro

Give me all the bells and whistles.

$19/month

$ 0

per month. Currently free. Limited time.

FEATURE COMPARISON

FEATURE
FREE
PRO
All data type generatorsYesYes
Valid / Boundary / Invalid matrixYesYes
Copy to clipboardYesYes
Download JSONYesYes
Download CSVYesYes
100% client-side privacyYesYes
No login, no account requiredYesYes
Vehicle plates (8 countries)Yes

FAQ

Frequently Asked Questions

Item #1

Is it actually free?

Yes. We are either very generous, or very bad at monetisation. The jury is still out. But yes, genuinely free.

Stop writing edge cases by hand.

Your test suite called. It said you’ve been manually typing NULL for too long.

BDBorderlineData

A free, client-side test data generator for QA engineers. Break the code. Not your sanity.

Privacy & Data

Here’s our entire privacy policy: we don’t collect your data, because we literally can’t — everything runs in your browser.

© 2025 BorderlineData · Break the code. Not your sanity.

Made with ☕ and irrational love for boundary values.