XtGem offers two way of editing a file. Each of them are different and have their own benefits. As new to XtGem, Building Tool is much more preferred than Text Editor.

Building Tool
Building tool is a way of building a page based on blocks. To add a new block under a block, click + before your decided block. Then, you need to choose the type of the new block;
Text
Adds a text on the block. You can select the text style, colour or class (classes comes from creator_template.css)
Link
Insert a link. To add one, enter the URL (web address) of your desired destination. You can click the File browser button to add a link to be redirected to a file inside your file manager
Image
This will adds an image in the current block. To automatically add an image from your phone, select your files then click OK. Or you may click the File browser button to choose an image from your File browser. Or to enter an image url, click the enter URL right next to File browser button. You can resize the image by selecting one of the options available in the drop-down menu or leave it to leave the image unchanged. If you want user to be able to download the image, select Yes just under the "Allow to click on image". To break the line, simply tick the tickbox or leave it unchanged to enable text to be continued at the right of the image. Complete your process by clicking OK button.
New Page
This will add a link to your site to go to a new page. At the same time, this will also create a page inside the file browser at the root folder. We prefer you to create a page manually inside your file browser rather than clicking on this block type. But if it will not leave burden for you, you can continue with this action.
Image link
This will add an imaged link to accessed by users to go a page. Enter the URL of the destination you want or alternatively, you can choose File Browser instead to head your users to a file inside your File Browser. Enter the image's address to display the image.. Alternatively, you still can click on File Browser button to select an image file inside your file browser. Enter a text can be displayed at the right of the image. You can choose a class or leave it unchanged.
New line
This seperates a line with a line.
Code
Adds a HTML code based on what you entered. Note to leave this alone if you do not have any knowledge about HTML! You can learn HTML codes in W3Schools.
File
This adds a file to your site site originally comes from your device. Slect a file, enter a name for it then OK button.
Align
This adds an align properties for the contents under the block.
XtFunction
This adds XtGem's free tool to your site.
•File list
•Local file include
•Counter
•Online
•Time and date
•IP address
•Country
•Browser
•RSS Reader
•Advertisement
•Blog
You will learn more about XtFunction here at ReαdNNow™.
Widget
Adds a widget inside your site. To install a widget you need to go to Market via Panel.

Building tool
Building tool is another method of editing, which edits all of the page codes. If you do not have any knowledge of HTML, <head> tags and document type, don't try to edit the codes at once. However, you can still add some codes you found on tutorials.