Compare .1ST files online

Fast, secure and free 1ST comparison Online

Step 1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose 1st or any other format you need as a result (if applicable).

Step 3

Let the file process and download/view the 1st file.
** You can also open your processed 1st file in our free online viewer by clicking "Open".

1 ❓ How can I comparison 1ST file?
First, you need to add a file for comparison: drag & drop your 1ST file or click inside the white area for choose a file. Then click the "comparison" button. It will now allow you to comparison your 1ST file.
2 ⏱️ How long does it take to comparison 1ST file?
This comparisoner works fast. You can comparison 1ST file in a few seconds.
3 🛡️ Is it safe to 1ST comparison using free file comparisoner?
Of course! The download link of comparisoned file will be available instantly after processing. We delete uploaded files whithin next 24 hours and the download links will stop working after this time period. No one has access to your files. File comparisoner (including 1ST). 1ST file comparisoner is absolutely safe.
4 💻 Can I comparison 1ST file on Mac OS, Android or Linux?
Yes, you can use free comparisoner app on any operating system that has a web browser. Our 1ST comparisoner works online and does not require any software installation.
5 🌐 What browser should I use to comparison 1ST?
You can use any modern browser to comparison 1ST, for example, Google Chrome, Firefox, Opera, Safari.

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