People use these tools to skip the "manual labor" of data entry. Common tasks that result in this file include:
Since many of these tools work 100% client-side, your sensitive data is never sent to a server. How to Open and Use It
The real power of these tools lies in . You can take the output from one tool (like a "Filter Lines" tool) and immediately paste it into another (like "Sort Lines") before finally downloading your finished output-onlinetools.txt file.
Because it uses the .txt extension, you can open it with any standard text editor: