Annotate pdfs

You can annotate and highlight a PDF file in the PDF Viewer Panel. This is also called add sticky notes to a PDF file. Notes and comments you made are searchable in the EndNote program. On a PC computer, the sticky notes and highlight icons look like this: On a Mac computer, the sticky notes and highlight icons look like this:

Annotate pdfs. Open the PDF in the Preview app. If it doesn’t open in Preview automatically, control-click on the PDF, scroll to Open With, and select Preview. In the menu bar at the top of the screen, select Tools, then Annotate. From here, it depends on what kind of annotations you want to make. If you want to insert a comment, there are a few ways to do ...

I'm trying to see if Zotero can replace Mendeley. I need to be able to quickly extract metadata and the PDF for both scientific papers AND webpages (like news articles) and send them to Zotero in specific folders. I then want to be able to access my library on my iPad, open a PDF, and annotate it using Apple Pencil first generation.

A PDF annotation tool allows you to write on PDF documents, both on media and text content. It helps to avoid any hustle or confusion of endless revision …Select an annotation or drawing markup tool. From the quick tools menu on the left, select the desired annotation to add to the PDF. Note: After you make an initial comment, the tool changes back to the Select tool so that you can move, resize, or edit your comment. (The Pencil and Highlight Text tools stay selected.)How to annotate a PDF. Sign in to Adobe. Use any browser to navigate to Edit PDFs in Acrobat online services. Click the blue button labeled "Select a file" or drag and drop your PDF into the drop zone to open the document. After your file has uploaded, sign in to an Adobe, Google, or Apple account. 2. Annotate your PDF on your PC.In this post, I'll show many ways for you to easily annotate documents with the Pen using Office on the desktop, or using Metro applications. (click on the images for larger versions). First let's start with Word, and it's pen-friendly ability to use digital ink in the Word document. Windows and Office have been ink-friendly for years ...Download. Open the PDF file that you would like to work on with ApowerPDF. Go to "Comment" tab, click "Annotations" and find highlight, comment and other features. If you want to highlight a PDF document, click the first button under the "Annotations" options, and then draw highlight to the text. If you want to make comments to PDF ...

To annotate PDF's on a Chromebook: First, click on the Select A File button and choose your desired file — whether it’s on your Chromebook or in the cloud. From any web browser, sign in to Acrobat to annotate in the PDF. Then, simply choose tools from the toolbar to highlight, strike through, or add text. You can leave comments that explain ...Emnote is the new standard for digital note-taking in Windows platform. Write down your thoughts, annotate on PDFs, draw and sketch your diagrams and mind-mapping. Fully compatible with Windows Ink. Optimized for both Surface pen and graphics tablet users. == FREE TRIAL AVAILABLE == ANNOTATE ON PDF WITH FULL RESOLUTION ----- …Add markup. Open the OneDrive for Android app, and open the PDF you want to mark up. Near the bottom of your screen, tap Markup . On the Markup toolbar (from left to right: Exit, Undo, Redo, Navigate, Pen, Highlight, Note, Text, and Erase ), tap the tool that you want to use. Tap the Navigate icon and then scroll up, down, left, or right to ...How to annotate, share, and collaborate PDF on Windows? Find out why PhantomPDF is the top choice to read, annotate and share PDFs. Share and Collaborate; Share, Collaborate, and Annotate PDF. When teams collaborate and share information, they work at their best. Foxit PDF Editor links knowledge workers together to increase flexibility and results.Annotating or taking notes on PDFs in EndNote can make a massive difference in your ability to organizing literature and references. Get the Scientific Resea... Here’s how to annotate PDFs on Windows 10. Navigate to Acrobat online services in your preferred browser. Click the Select a File button or drag and drop your file into the drop zone. Sign in to make edits to your file using either an Adobe login or one of the other login methods, such as with a Google or Apple account. From there, you can ... As of version 6, Zotero has its own built-in PDF editor that can be used to annotate PDFs. If you use another program to edit PDFs, Zotero will still save the annotations you make from PDFs in other programs, such as Adobe Acrobat. To enter Zotero's PDF editor, double click a PDF or the reference that the PDF is attached to.

The Samsung Galaxy Tab S6 Lite is a good mid-range Android tablet which lets you take notes, annotate PDF and draw for fun. $349.99 at Amazon. 11. Microsoft surface Go 3. Microsoft's Surface Go 3 is the best budget Windows 2-in-1 tablet, reliable for annotating PDF, drawing and note-taking.No, using pdf, getting the annotations outside seems to be difficult, you can annotate though, but for me without being able to extract them, this is a bit sensless (there are also no normal pdf annotations, like you know from adobe reader). As PDFs are the onle way for some documents (magzines, math formulars?) this is annoying.Do **nOT** use onenote to annotate pDFs. This is probably a known issue for most users, but I just got burned. If you insert a PDF as a printout and then highlight / annotate it, there's absolutely no connection between that PDF and annotations. None whatsoever. If you move the printout the annotations will end up in wrong places.It is a third-party plug-in to Zotero that allows you to highlight quotes within PDF articles and add notes (annotate) PDFs saved to your Zotero Library and extract those to notes attached to your citations. It also allows you to rename, organize, and synchronize attachments to items in your Zotero library. Do you want to annotate PDFs online or offline? Learn how to use Hypothesis, a free and open-source tool, to add comments, highlights, and tags to any PDF document. This tutorial will guide you through the steps of installing Hypothesis, creating an account, and annotating PDFs in different ways. You can also watch a video tutorial for more details.

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Drop and upload your PDF document into the PDF Editor. Add text, images, and annotations from the Mark up tab. Edit existing text from the Edit …User_304180. May 30, 2016 at 7:44 PM. A PaperWhite is a Kindle ereader. If your goal is to highlight/annotate text in the PDF file itself, you can't do that with any Kindle ereader. It looks like you can with a Fire or other Android tablet using Adobe Acrobat or other PDF app. Helpful ?0 out of 0 found it helpful.As for your the issue annotating PDF files using Adobe Acrobat Pro DC, I would suggest that you contact Adobe Customer Support for further assistance. Should you have further queries, feel free to post it. Report abuse Report abuse. Type of abuse. Harassment is any behavior intended to disturb or upset a person or group of people. ...1. kennykeepalive. • 3 yr. ago. NeoReader can do exactly this. You just open a PDF, mark it up, then the changes are saved to the file that you just opened. The only thing you need to care about is how to conveniently get the file out of the device, in this case syncing with Google Drive / Dropbox (the non-official app) is probably the most ...UPDF for Windows and Mac packs powerful PDF features for seamless experience. You can edit text in PDF or edit image easily. You can add annotations like highlighter, underline, strikethrough, sticky notes, add links in your PDF, and more. You can also convert PDFs with OCR, into editable documents and fill and sign your PDFs with ease.

Annotate your research articles easily in Zotero.Get the 30-day Research Jumpstart Guide: https://www.sciencegradschoolcoach.com/30day-research-guideCheck ou...Free online PDF tools to merge, compress, create, edit and convert PDFs. Quick and Easy. Without installation. Without registration. PDF24 Tools. PDF24 Creator. PDF24 Tools Free and easy-to-use online PDF tools that make you more productive. ... Annotate PDF. Redact PDF. Create PDF. PDF to Word. JPG to PDF. Advertisement. All tools. Information.With these PDFs, you're able to annotate them directly with your Apple Pencil, so that means highlighting, marking up, commenting, drawing on documents — you name it, Acrobat Reader can do it. It even allows you to fill out and sign forms hassle-free, which is probably one of the most popular reasons for having a PDF app on the iPad in the ...Page management features to skim and review PDFs. In the editing mode, you can extract, add a blank page for notes, and re-arrange the pages. Different gestures while annotating PDFs. The side menu option activates the special markup mode to annotate PDFs quickly. View the same or different documents side-by-side in split …How to annotate a PDF file on Mac. 1. Click the “Show Markup Toolbar” button. If you’re a Mac user, you can use Apple’s native app, Preview, to annotate your PDFs and collaborate with your team. But before you start adding your annotations, click the Show Markup toolbar button to make your toolbar visible. 2.4. DocView mode can toggle between editing and viewing. But from the info pages of doc-view-mode, PDF is not (readily) human editable and the docs don't talk anything about PDF annotating capabilities. Otherwise, Xournal or such tools should be the way to annotate PDF unless you find a way to get it working under Emacs.A PDF annotation tool allows you to write on PDF documents, both on media and text content. It helps to avoid any hustle or confusion of endless revision …Description: PDFelement is a versatile PDF reader and editor that allows you to create, edit, and annotate PDFs on your iPad. Top 5 Features: Edit text, images, and links within PDF documents. Annotate PDFs with comments, stamps, and shapes. Convert PDFs to various file formats. Organize and merge PDFs easily.Here, make sure that the "Annotate" tab is selected. Below it, you'll see buttons for highlighting text, adding text, using a highlighter tool and the pen tool, and a lot more. The first tool is the "Highlight" tool. Tap on it to select it. If you want to change the color, you can tap on the color palette icon next to it.And the most obvious style of annotation is simply to add a textual note to a PDF, the same way you might add a comment in Word or a Google Doc. Here's how you do it. Open Nitro PDF Pro for Mac. Click the Down Arrow next to the Annotate button to reveal the toolbar for annotating your document. Select the Text tool.Select an annotation or drawing markup tool. From the quick tools menu on the left, select the desired annotation to add to the PDF. Note: After you make an initial comment, the tool changes back to the Select tool so that you can move, resize, or edit your comment. (The Pencil and Highlight Text tools stay selected.)Source. Xodo PDF reader is a comprehensive PDF viewer that lets you read, edit and annotate ebooks. You can write, highlight, and underline texts directly on the PDF when using the Xodo PDF reader and editor. Its integrated file manager, cloud storage support, and collaboration software instantly let you review and annotate your PDF files.

And the most obvious style of annotation is simply to add a textual note to a PDF, the same way you might add a comment in Word or a Google Doc. Here's how you do it. Open Nitro PDF Pro for Mac. Click the Down Arrow next to the Annotate button to reveal the toolbar for annotating your document. Select the Text tool.

Here is process to add comments in Adobe Acrobat: Choose the text you want to annotate. then highlight it using the Highlight pen. Click on the highlighted Text, you will get a comment symbol. Click on the comment symbol and add the comment which you want to add. Now if you want to open the comment click on text.Open a PDF in Acrobat and select the Comment tool. Add PDF annotations to your file. You can add text boxes and sticky notes, underline text, strikethrough content, highlight text and more. Save your file. You can also use the Share With Others icon to send the file to others for commenting, but only select annotations are supported.Here is process to add comments in Adobe Acrobat: Choose the text you want to annotate. then highlight it using the Highlight pen. Click on the highlighted Text, you will get a comment symbol. Click on the comment symbol and add the comment which you want to add. Now if you want to open the comment click on text.Annotation Activity: Create a dice game where students have to find concepts and annotate them based on the number they roll. For example, 1 = Circle and define a word you don't know, 2 = Underline a main character, 3 = Highlight the setting, etc. Teaching students how to annotate gives them an invaluable tool for actively engaging with a text.PDF Annotations allow you to highlight important information, make notes, and collaborate with others effectively. What is PDF Annotation? Suppose you …Follow the listed steps to annotate your PDF online for free. Step 1: Click Edit a PDF document on the homepage of the website and tap Upload PDF file to upload your PDF; Step 2: Choose Annotate and select an option to strikeout, highlight, underline text, or more; Step 3: Hit Shapes or Text to add shapes or text boxes.Open the preinstalled Files app on your iPad. Using the name of your PDF, search for your PDF and open it with a tap. Tap the marker tip icon on the upper right side of your screen. Use the editing tools that appear at the bottom of your screen to highlight, draw, and otherwise annotate. You can use the plus (+) icon beside the tools to perform ...Why annotate pdf: Simple but powerful way to edit pdf on windows or mac Easy to use Continuous improvement Online pdf annotator - no need to download, install or register Fast and lightweight pdf reader: opens large documents in no time Supports Google fonts Quick and friendly customer support: your voice matters! ︎‬ Made with love: we are ... How to annotate and highlight PDFs on an Android. From any web browser on your device, navigate to the edit PDFs online page on Acrobat online and follow the steps below. To upload a PDF, tap the blue button labeled “Select a file.”. You can grab files from anywhere on your connected device — internal storage, Google Drive, or your ...

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If there are multiple whiteboards, Zoom will save a single PDF containing all whiteboards. Annotation settings. If you started the shared screen or whiteboard, click More in the screen share controls for these annotation settings: Enable/Disable Annotation for Others: Allow or prevent the participants from annotating on your shared screen.Annotate PDFs on Android. On your Android Device, open the Google Drive app. To enter preview mode, open the PDF you'd like to annotate. At the bottom right corner, tap the annotate button . A toolbar opens with multiple annotating tools. You can use a stylus or your finger to select an annotating tool. Tip: You can tap and hold the toolbar ...What you need is a PDF editor with annotation capabilities. OneNote is not a PDF editor, it's a note taking program in which you also may store images (e.g. of PDFs). All you can do (if you are using Windows desktop OneNote 2010, 2013 or 2016) is to move the "PDF" image to the background (right click for the corresponding menu command), thus ...6 days ago · PREMIUM FEATURES: EDIT PDFs. • With our PDF editor, edit text and images directly in your PDF (mobile only) • Fix typos or add paragraphs with the PDF editor. • Easily add, delete, or rotate any image. MERGE & ORGANIZE PDFs WITH PDF CONVERTER. • Split or combine multiple files into one PDF with PDF converter. To create a new journal that uses a PDF file as a background, you can use the menu option File > Annotate PDF or File > Open. This will open a dialog that will allow you to select a PDF file, and then it will create a new journal with that PDF file as the background. Xournal++ currently stores the journal file ( .xopp) separately from the PDF file.Google Drive is a popular cloud storage and file management tool. It lets you store, organize, and edit files seamlessly. You can use it to edit your PDF documents for free by following the below ...How to annotate PDF documents online. Step 1. Click inside the file drop area to upload a PDF file or drag & drop a PDF file. Step 2. File will be automatically rendered for you to view instantly. Step 3. Add annotations to the document. Step 4. Download the annotated version of your PDF file.Reader offer: Get a 7 day free trial on Adobe Acrobat Reader. Adobe Acrobat Reader is a versatile PDF viewer, great for Windows users. It lets you read, sign, fill, and annotate documents. The ...1 Upload a PDF document from your device or cloud storage (Google Drive/Dropbox). 2 Scroll through pages using the navigation panel of the PDF editor. 3 Edit PDF using tools …Viewing and Annotating PDFs. In Mendeley Reference Manager, click the PDF icon or doubleclick the entry in your Library to open a document in the PDF Viewer. In the PDF Viewer you can: Add 'sticky notes' to annotate the text anywhere in the document. Text of sticky notes can be viewed in the Annotations tab, which you find under Info. ….

PDF Max. PDF Max is a free iOS app that is excellent for annotating, form-filling, and note-taking. It supports Adobe's Rich Text Format Typewriters and offers various annotation tools like highlighting, underlining, and commenting. The app also supports threaded conversations, making it ideal for collaboration.To annotate PDFs with PDFelement, follow these steps: Step1. Open the program and click on "Open PDF" to select the document you want to work on. Step2. …Enable annotate PDF for an assignment. Click the Edit mode toggle button in your course (if it isn't already on). Click +Add an activity or resource in the course section where you wish for your assignment to appear. From the list of activities, select Assignment. On the Settings page, edit the following features in the Submission Types menu ...Open the preinstalled Files app on your iPad. Using the name of your PDF, search for your PDF and open it with a tap. Tap the marker tip icon on the upper right side of your screen. Use the editing tools that appear at the bottom of your screen to highlight, draw, and otherwise annotate. You can use the plus (+) icon beside the tools to perform ...Goodnotes I find is a lot better for note taking, folders and notebooks. I prefer notability for pdf editing, cropping, highlighting and taking notes on the pdf itself. Notability still king. Microsoft OneNote if your uni gives you a free account. Put the PDF in the folder, open it and write notes on it.In the Preview app on your Mac, click the Show Markup Toolbar button (if the Markup toolbar isn’t showing). Use the tools in the toolbar to mark up the PDF (or use the Touch Bar ). Note: To save a PDF and allow annotations to be edited later, choose one of the following: File > Save, File > Export, or File > Export to PDF.You can annotate and highlight a PDF file in the PDF Viewer Panel. This is also called add sticky notes to a PDF file. Notes and comments you made are searchable in the EndNote program. On a PC computer, the sticky notes and highlight icons look like this: On a Mac computer, the sticky notes and highlight icons look like this:How to annotate PDF files: Open a PDF in Acrobat and select the Comment tool. Add PDF annotations to your file. You can add text boxes and sticky notes, underline text, strikethrough content, highlight text, and more. Save your file. You can also use the Share With Others icon to send the file to others for commenting, but only select ... Annotate pdfs, User_304180. May 30, 2016 at 7:44 PM. A PaperWhite is a Kindle ereader. If your goal is to highlight/annotate text in the PDF file itself, you can't do that with any Kindle ereader. It looks like you can with a Fire or other Android tablet using Adobe Acrobat or other PDF app. Helpful ?0 out of 0 found it helpful., Work with PDFs in Notes on iPad. In the Notes app , you can attach, view, edit, and collaborate on PDFs, including documents you scanned into a note. Annotate or sketch directly on PDFs and scanned documents in your note using Apple Pencil or your finger. You can even preview multiple PDFs in the same note., This is another well-reviewed, free PDF reader that includes annotation and highlighting. Annotation, text editing, and other tools are included in the free version. Goodreader. Goodreader is a very popular Mac-only app that includes annotation and editing tools for PDFs, Word documents, Powerpoint, and other formats. How to Annotate a Textbook, Sucks at organization and importing PDFs containing more than 1 page is a pain. Nebo I like the individual features of the app like handwriting recognition and freeform pages but they don't work with PDFs. PDF annotation is very basic. LiquidText Same pros and cons as MarginNote 3 Huge price PDF Expert Good for annotation., Click the Annotate PDF button on the home screen. Then press the Choose file button, select a PDF document, and click Open . You can freely draw on your PDFs in PDF24's Annotate PDF window by selecting the Free Drawing option. Select a Straight line or Free drawing option on the toolbar., 1. GoVisually - the #1 cross-platform PDF annotation tool. OS support: Windows, macOS, iOS & Android. Device support: Web, mobile, & tablet. GoVisually is the #1 PDF annotation tool optimized for all devices. Even better, we have an Android and iOS app, which comes in handy when working on PDFs and needs a user-friendly interface on the go!, Here, make sure that the "Annotate" tab is selected. Below it, you'll see buttons for highlighting text, adding text, using a highlighter tool and the pen tool, and a lot more. The first tool is the "Highlight" tool. Tap on it to select it. If you want to change the color, you can tap on the color palette icon next to it., If you want to annotate the pdf, and have anything you do in it stay on the file, then you need an annotation program. A lot of people enjoy Drawboard PDF for this. You can also insert a pdf into a onenote page by dragging it into onenote, and selecting to insert printout. The first commenter was right about enabling indexing., How to edit a PDF online: Step 1. Open your PDF file in our free online PDF Editor. Step 2. Use Xodo tools to edit text, add images, annotations and fill forms. Step 3. Download the edited PDF to your device., Go to Insert > Picture or Insert > File Printout to insert an image or a PDF printout. Start inking on the image or the PDF printout. Tap the image or PDF printout to select it and the ink using touch, your digital pen, or your mouse. Move the selection somewhere else on the page and notice that the ink moves along with the image or PDF printout., Step 1: Open your PDF with Adobe Acrobat DC. Unless you are opening a PDF that’s already in a managed review workflow, you won’t immediately see a toolbar of annotation tools. That’s okay ..., Try it yourself and let me know how to annotate the PDF. Figured it out, for my iPad, anyway: Select the document icon, and instead of tapping "Preview", tap the option to "PDF Printout". OneNote will take a minute to insert the graphic image of the pdf onto the page, and then one can draw away as usual., Sucks at organization and importing PDFs containing more than 1 page is a pain. Nebo I like the individual features of the app like handwriting recognition and freeform pages but they don't work with PDFs. PDF annotation is very basic. LiquidText Same pros and cons as MarginNote 3 Huge price PDF Expert Good for annotation., Here is process to add comments in Adobe Acrobat: Choose the text you want to annotate. then highlight it using the Highlight pen. Click on the highlighted Text, you will get a comment symbol. Click on the comment symbol and add the comment which you want to add. Now if you want to open the comment click on text., ‎Markup - Highlight & Annotate. A PDF app's link can mostly appear daunting to the average user, thanks inside part toward the nude number of annotation options developers try to shove inside the them, nevertheless PDF Viewer smartly simplifies this process. Taking a page from Apple's owner iWork suite, the app provides a series of nested ..., Collaboratively annotate, highlight, and tag web pages and PDF documents. Use Hypothesis to hold discussions, read socially, organize your research, and take personal notes on webpages, PDFs and EPUBs., PDF Annotation Tools Use UPDF's wide array of annotating functions to mark up your PDFs. Visualize ideas by drawing straight into the document. Work together, share feedback, review documents - all in one place. Free Download Support: Windows · macOS · iOS · Android Buy Now Watch the video . 1 Annotate, View and annotate PDFs in SharePoint Online and on-premises; Search, rearrange and add Pages to PDFs; Redact and sign PDFs; Register for the webinar on Thursday, June 9th at 2pm UTC / 10am ET. You can also visit PSPDFKit’s website to try the interactive web demo today. See you there,, Do you want to annotate PDFs online or offline? Learn how to use Hypothesis, a free and open-source tool, to add comments, highlights, and tags to any PDF document. This tutorial will guide you through the steps of installing Hypothesis, creating an account, and annotating PDFs in different ways. You can also watch a video tutorial for more details., Aug 29, 2023 · 1. Upload your PDF to Xodo’s free PDF Annotator tool. 2. Use any of Xodo’s annotating tools by selecting them from the toolbar. Then click and drag over the text you wish to annotate or click on the page where you want to insert an annotation. 3. Once you’re done annotating your PDF document, click on Download or save your annotated PDF ... , Touch and hold (with your finger, not the pen) anywhere in the blank space of the note. The radial menu appears, choose Insert. Find the PDF you want to annotate and select it. Now you have opened your PDF in OneNote app. To annotate: Using the pen, press and hold anywhere in the note. From the radial menu that appears, choose the pen you prefer., Mar 23, 2024 · 2. Foxit PDF Editor. Foxit PDF Editor is another excellent viewing and annotating PDF app. Some of the key annotation features Foxit app offers include the ability to edit your PDFs the way you want. For instance, you can add audios, videos, and hyperlinks to PDFs. You can also add or delete text and images, edit document properties, optimize ... , Add markup. Open the OneDrive for Android app, and open the PDF you want to mark up. Near the bottom of your screen, tap Markup . On the Markup toolbar (from left to right: Exit, Undo, Redo, Navigate, Pen, Highlight, Note, Text, and Erase ), tap the tool that you want to use. Tap the Navigate icon and then scroll up, down, left, or right to ..., Jan 23, 2024 · Methods to Annotate and Edit PDFs on Fire Tablets. Here are the main options for annotating and editing PDFs on Fire tablets: 1. Use Alternative PDF Reader Apps. The Amazon Appstore offers several PDF apps with annotation features like highlighting, adding text notes, drawing, adding shapes, and more. , Annotate your research articles easily in Zotero.Get the 30-day Research Jumpstart Guide: https://www.sciencegradschoolcoach.com/30day-research-guideCheck ou..., To start importing a PDF file, open the Samsung Notes app, and then tap the PDF icon. Select a folder, and then select your desired PDF file. Tap Done. You can now add text or drawings to the file. If you’re writing with the S Pen, you can quickly convert it to text or straighten the writing. To convert the writing to text, select the Convert ..., Annotation tools currently include pen and highlighter, where can choose the colors you want to use, and an eraser for removing ink strokes and previous annotations. ... The feature is currently available for the following file types: .ai, .dwg, .epub, .pdf, .rtf, and .tiff. More annotation tools and file types will be added in future releases ..., Add notes & annotations to any PDF document: Comments, corrections, signatures, highlighting, even photos and drawings. And on Tablet PCs: …, 点击页顶文件选择器,选择要注释的pdf文件。文件会在pdf24编辑器中打开。 用编辑器的工具添加新元素,例如文本、图片,或者高亮文本。 编辑完成后,点击工具栏的保存图标,再点击下载,保存注释好的pdf文件。, Foxit PhantomPDF. Check Amazon. $129/year at Microsoft. Edit and manage. This powerful PDF app allows you to annotate PDFs and organize and manipulate PDF files and pages. You can also use it to ..., The Samsung Galaxy Tab S6 Lite is a good mid-range Android tablet which lets you take notes, annotate PDF and draw for fun. $349.99 at Amazon. 11. Microsoft surface Go 3. Microsoft's Surface Go 3 is the best budget Windows 2-in-1 tablet, reliable for annotating PDF, drawing and note-taking., Sign & Protect. Edit a PDF with an easy online tool. Add text and comments online. Draw on your PDF file. , How to Annotate PDFs. PDFs are one of the most popular document formats, and they can be annotated in several ways. One of the simplest and most popular ways to annotate a PDF is by using Adobe Acrobat Reader, which is a free application available for Windows, Mac, and mobile devices. Once you've opened a PDF in Acrobat Reader, you can use ...