The latest articles on DEV Community by Muhammad Usaid (@iusaidjavaid). https://dev.to/iusaidjavaid https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3985134%2Fd80a063f-5830-4ef6-a4b5-1d8309fc606e.png https://dev.to/iusaidjavaid en Muhammad Usaid Mon, 15 Jun 2026 09:11:36 +0000 https://dev.to/iusaidjavaid/how-to-generate-1-million-mock-records-2k90 https://dev.to/iusaidjavaid/how-to-generate-1-million-mock-records-2k90 <p>Load <strong>testing a database</strong> or a <strong>complex UI</strong> often requires more than just a few dozen records. If you need to see how your app handles 100k or 1 million rows, most free mock data tools will cap you at 1,000 or 5,000 <em>before asking for a credit card</em>.</p> <p>I found a workaround using <a href="https://dummyjsongenerator.com/" rel="noopener noreferrer">JSONForge</a>. Because the tool generates the data on the client-side (using your local browser's resources), it doesn't have the same cloud overhead as other services. This allows it to support generation of up to 1 million records for free. It’s been great for testing how my PostgreSQL indexes handle larger datasets and checking if my React list components start lagging under heavy load. If you're doing any kind of scale testing, give this a try—it’s much faster than writing custom seeding scripts from scratch.</p> ai json programming productivity