The latest articles on DEV Community by Goran (@gcupic). https://dev.to/gcupic https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4170594%2F473fd5d1-c05d-4365-b882-ac212ffb81b7.png https://dev.to/gcupic en Goran Thu, 08 Oct 2026 08:14:48 +0000 https://dev.to/gcupic/how-to-easily-convert-json-and-excel-files-to-sql-insert-statements-4bno https://dev.to/gcupic/how-to-easily-convert-json-and-excel-files-to-sql-insert-statements-4bno <p>Converting structured data like JSON or Excel files into clean SQL INSERT statements is a task every developer runs into. Whether you are seeding a database, migrating legacy datasets, or prepping mock data for local testing, manually writing insert queries is tedious and prone to typos.</p> <p>To solve this, I built SQLConvert — a lightweight, fast web tool designed to instantly convert JSON and Excel files into ready-to-execute SQL code.</p> <p>Key Features:</p> <p>Browser-side processing: Your data stays private and secure in your browser without being uploaded to external servers.</p> <p>Format support: Seamlessly parse both JSON structures and Excel or OOo spreadsheets (.xlsx, .csv, .ods).</p> <p>Database compatibility: Generates clean, standard SQL syntax optimized for PostgreSQL, MySQL, and other relational databases.</p> <p>Instant preview &amp; copy: Formats output on the fly so you can copy or download the generated .sql file in seconds.</p> <p>If you frequently deal with data transformations or database seeding, check it out at sqlconvert.com and let me know your thoughts or feedback!</p> database json sql tools