Handy Online Tools For Data Processing

Add Prefix and Suffix to Strings in Bulk

https://www.gillmeister-software.com/online-tools/text/add-prefix-or-suffix-to-lines.aspx

Beautify JSON data

https://codebeautify.org/jsonviewer

Write Code Online (PHP, Javascript, React, Node)

https://paiza.io/

Online Import Excel (.xls, .csv) to Database (mysql, sql lite etc.) and Apply Queries to get Filtered Result

https://sqliteonline.com/

Test online Webhook/Emails

https://webhook.site/