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Annotation Tools

Master Lumin's complete set of annotation features. Learn to highlight, strikethrough, draw, and add sticky notes to documents.

36 articles
How do I create a certified PDF agreement in Lumin PDF?Learn the step-by-step process for generating a tamper-proof, certified version of your signed PDF agreement using Lumin PDF, ensuring document integrity and legal compliance.
Edit PDF files online | Lumin PDFLearn how to easily edit PDF files online with Lumin PDF. Our online PDF editor makes it simple to add, amend or replace text and fix typos in PDFs, no…
Can I redact my document?Find out how to easily use Lumin to redact parts of your PDF.
Lumin Keyboard ShortcutsSee our legend of frequently used keyboard shortcuts in the Lumin editor
How do I write text on a document?Using Lumin's Free Text tool allows you to add and style inserted text anywhere within your documents.
How do I change my text font and style?
How do I add a signature to a PDF document?There are four easy ways to add an electronic signature: select from your saved signatures; add it as an image file; draw it in Lumin; or write it using a…
How do I manipulate a signature I have added to a Lumin document?After adding a signature to a Lumin document, you can easily move and resize it and change how it looks.
How do I add fillable fields to my document?Add text fields, checkboxes, and select options to make your document more interactive using Lumin's Form Builder.
How do I insert a date stamp?Insert a calendar date into your document with ease, using the date stamp tool.
How do I add a shape to a document?Add a shape to your document by using the easy-to-use shape tool.
How do I draw on a document?Draw on a document with the easy-to-use freehand drawing tool.
How do I add an image to a document?Add an image to a document quickly using the Image tool.
How do I erase/delete my annotations?Undo or erase parts of your documents' annotations with Lumin's eraser tool.
How do I highlight text in a document?Learn how to highlight text in a document using Lumin's highlight tools.
How do I undo/redo an annotation?The undo and redo buttons allow you to undo or redo an action on your document.
How do I layer my annotations?Bring annotations such as images, shapes, and texts to the foreground or background of your document.
How do I add and reply to comments within a document?Collaborate, engage, and make notes on documents with your team using the Lumin comment tool.
How do I bookmark a page in my document?Use the Bookmark feature to keep track of important pages in your document that you may want to frequently reference or follow up.
How do I use the search tool in Lumin?The search tool reads the document to quickly find your search terms.
How do I embed a hyperlink?Embed URL and external websites into your Lumin document text to link out to web resources or somewhere else in your document.
How do I export my notes?Export your document notes into .txt format for easy revisions.
Can I watermark my document?If you have the watermark image saved to your device, you can upload it in Lumin as an image and then scale down the opacity.
How do I add a rubber stamp to a PDF document?Electronically mark your PDF documents with Lumin's rubber stamp tool.
How do I create a rubber stamp?Create a personalized rubber electronic stamp that's tailored to meet your specific needs or those in your organization.
How do I change the thickness of a shape outline?Read on to find out how users can change the thickness of a shape outline.
How do I access outlines in the new editor layout?A step-by-step guide on how to access your Bookmarks in the new Lumin editor interface.
How can I prevent fields from being auto-filled?Auto-complete saves the information you frequently enter into form fields. When you fill out a form in the future, Lumin will provide helpful suggestions based on your previous entries.
How do I enable focus mode?Focus mode temporarily minimizes the tool groups and menu bar in the editor.
How do I modify existing form fields on a PDF?Learn how to easily modify existing form fields in your PDF documents using Lumin PDF's powerful editing tools.
How do I measure the height, width, or area of objects in my document?Discover the tools within Lumin PDF that allow you to accurately measure the height, width, and area of objects directly within your PDF document.
Unlock productivity with Lumin's AI assistant (BETA)Discover how Lumin's intelligent assistant can streamline your document workflows, answer questions instantly, and boost your efficiency.
How can I modify the types of fillable fields in a document?Learn how to easily change the type and properties of fillable fields in your PDF documents using Lumin's form builder tools.
How do I change the embedded hyperlink in a text?Learn how to easily modify the destination URL or page for hyperlinks embedded within your PDF annotations in Lumin.
How do I add a thumbnail/outline?A step-by-step guide on how to access your Thumbnails & Outlines in the Lumin editor.
How do I find and replace a text in a PDF?Learn how to quickly search for specific words or phrases and replace them across your entire PDF document using Lumin PDF.