Use the Inspector to align objects and access document metadata information.
Nitro PDF Pro also allows you to specify form element properties and edit document permissions.
![inspector](https://resources.gonitro.com/dims4/default/a7272f3/2147483647/strip/true/crop/33x33+0+0/resize/33x33!/format/jpg/quality/90/?url=http%3A%2F%2Fnitro-brightspot.s3.us-west-2.amazonaws.com%2F73%2F5b%2F8b68a8f05934f222452781d73032%2Finspector.png)
To display the Inspector, click the Inspector button in the Toolbar or choose Window > Inspector (Command+Option+I).
Inspector Tabs
![inspector-alignment](https://resources.gonitro.com/dims4/default/b61c362/2147483647/strip/true/crop/33x33+0+0/resize/33x33!/format/jpg/quality/90/?url=http%3A%2F%2Fnitro-brightspot.s3.us-west-2.amazonaws.com%2F8d%2Fed%2F190737e3d6b0110af8c5846571e5%2Finspector-alignment.png)
Alignment
Align selected objects horizontally and vertically (Shift-click to select multiple objects to align). Distribute three or more selected objects evenly spaced horizontally or vertically.
![inspector-form-elements-properties-1](https://resources.gonitro.com/dims4/default/bf10fc1/2147483647/strip/true/crop/33x33+0+0/resize/33x33!/format/jpg/quality/90/?url=http%3A%2F%2Fnitro-brightspot.s3.us-west-2.amazonaws.com%2Fe0%2F82%2F8364e0b1aa0751b0e0b359feeb43%2Finspector-form-elements-properties-1.png)
Form Elements Properties
(Advanced feature of Nitro PDF Pro). Edit properties for text fields, checkboxes, radio buttons, choice fields, list fields, and submit buttons. (Creating Forms).
![inspector-document-information](https://resources.gonitro.com/dims4/default/4d89773/2147483647/strip/true/crop/33x33+0+0/resize/33x33!/format/jpg/quality/90/?url=http%3A%2F%2Fnitro-brightspot.s3.us-west-2.amazonaws.com%2F34%2F63%2F37a4957babc7c47015c6e62853af%2Finspector-document-information.png)
Document Information
Access the metadata of a document. Add Title, Author, Subject, and Keywords; view Date Created, Date Modified, Filesize, Page Count, Page size, and Application and Producer used to create the document. (Document Properties).
![inspector-document-permissions](https://resources.gonitro.com/dims4/default/6949ba3/2147483647/strip/true/crop/33x33+0+0/resize/33x33!/format/jpg/quality/90/?url=http%3A%2F%2Fnitro-brightspot.s3.us-west-2.amazonaws.com%2F80%2F9f%2F192f55d8939d760a5d2a342133cc%2Finspector-document-permissions.png)
Document Permissions
(Advanced feature of Nitro PDF Pro). Set a password and allowable modifications to the document by a user. (Document Permissions).