Drop file here. 150 MB maximum file size.
The format of SNDR file type has not been determined yet. You can open and render the contents of SNDR file in a Text Editor.
Created in the TCR format, which was used at the apos; originated from the old Psion Series 3 handheld computers developed in the 1990s; stores the text and formatting of the eBook in a proprietary format used internally by the Psion device.
Access powerful and secure free online SNDR tools to convert, view, edit, merge, split, and compare SNDR files β all without installing any software. Our tools support the .SNDR (SNDR) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your SNDR files directly from your device with ease.
Chose or drag & drop your SNDR file, click Convert to TCR, and download the TCR file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert SNDR to TCR in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert SNDR to 100s of file formats, without any limit, registration and downloading, 100% free and online SNDR converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
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These are the most polular file/document converters based on the user's review and usage on the FileProInfo.