lock document online

Lock excel, word, and powerpoint documents online

Secure your document from not authorized access in a few clicks by setting password protection. We do not store any entered passwords on our side. We support all major document formats.

Supported browsers

1. Select document format
Leave Auto Detect to automatically detect your file extension or select document format from a list
2. Open free online TotalApp
Click on "OpenApp" button to open your file with high-quality free online TotalApp
OpenApp

Get started with Lock documents online

Secure documents online for FREE

Without registration

Registered users

1
Select document format from a drop down.
2
Click on Open Locker App button.
3
Click inside the file drop area or drag n drop file into it to upload file.
4
Wait until documents are uploaded.
5
Enter password to secure your document with it.
6
Click on Lock button.
7
Download or share resulted document.
1
Sign in or Log in into conholdate.app
2
Go to your Dashboard
3
Upload your documents
4
Select document.
5
Click on Lock button.
6
In the opened dialog window enter your Password.
7
Click on Lock button.
8
Download or share resulted document.
POWERED BY
GroupDocs.Merger for .NET
Merge documents in .NET (C#) with flexible and feature-rich GroupDocs.Merger API.
Explore GroupDocs.Merger API