Contact

Have a question, found a bug, or want to suggest a new tool? We'd love to hear from you.

Get in Touch

contact@shantanukumar.in shantanukumar.in

What can we help you with?

Bug report

A tool is producing incorrect output or broken.

New tool suggestion

You'd like to see a new developer utility added.

Advertising

Inquiries about ad placements or sponsorship.

Privacy / GDPR

Data deletion, GDPR rights, or privacy questions.

General

Anything else — feedback, praise, ideas.

We aim to respond to all messages within 48 hours. For bug reports, please include the tool name, your browser and OS, and a sample input that reproduces the issue.