[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blog-article-free-online-pdf-highlighter-highlight-any-pdf-no-install":3},{"meta":4,"html":22,"authorName":23,"authorFacebookUrl":24,"authorProfileImage":25,"authorWebsite":26,"authorJobTitle":27,"authorTwitterUrl":28,"wordCount":29,"recommended":30},{"id":5,"slug":6,"type":7,"title":8,"excerpt":9,"metaTitle":10,"metaDescription":10,"canonicalUrl":10,"featureImage":11,"publishedAt":16,"createdAt":17,"updatedAt":16,"featured":18,"readingTime":19,"tags":20,"author":21,"recommendedSlugs":10},"6a44e3e8909b7209ced49a7e","free-online-pdf-highlighter-highlight-any-pdf-no-install","post","Free Online PDF Highlighter — Highlight Any PDF, No Install","You can't highlight a PDF in Chrome. You can open one and read it, sure. But try to mark a sentence, and there's nothing there to do it with.\n\nI built a PDF highlighter tool, so I hear about this one a lot. My usual answer was: install my browser extension, or install something like Acrobat. Fine advice — unless you've got a single PDF to mark up and no interest in installing anything for it.\n\nSo I built a version that skips all that. It's a web page: open it, drop in a PDF, and highlight away. ",null,{"url":12,"alt":13,"caption":10,"width":14,"height":15},"\u002Fblog\u002Fcontent\u002Fimages\u002F2026\u002F07\u002Fpdf-upload-thumbnail.png","Free Online PDF Highlighter that works without installing any software right in your browser",1200,671,"2026-07-01T10:01:26.000+00:00","2026-07-01T09:54:48.000+00:00",false,5,[],"marius-bongarts","\u003Cp>\n  You can't highlight a PDF in Chrome. You can open one and read it, sure. But try to mark a sentence, and there's\n  nothing there to do it with.\n\u003C\u002Fp>\n\u003Cp>\n  I built a PDF highlighter tool, so I hear about this one a lot. My usual answer was:\n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Finstall\">install my browser extension\u003C\u002Fa>\n  , or install something like Acrobat. Fine advice — unless you've got a single PDF to mark up and no interest in\n  installing anything for it.\n\u003C\u002Fp>\n\u003Cp>\n  So I built a version that skips all that. It's a web page: open it, drop in a PDF, and highlight away. Use different\n  colors, jot a note on the parts that matter, and when you're done,\n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fdocs\u002Ffeatures\u002Fhighlight-pdfs\u002Fdownload-print-pdf-with-highlights\">\n    download the PDF with your highlights\n  \u003C\u002Fa>\n  saved inside it, or print it. No account, nothing to install.\n\u003C\u002Fp>\n\u003Cp>\n  Let me walk you through how the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Ftools\u002Fpdf-highlighter\">free PDF highlighter\u003C\u002Fa>\n   works, and the couple of things it can't do yet.\n\u003C\u002Fp>\n\u003Ch2 id=\"highlight-a-pdf-online-in-30-seconds\">Highlight a PDF online in 30 seconds\u003C\u002Fh2>\n\u003Cp>\n  Open the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Ftools\u002Fpdf-highlighter\">Free Online PDF Highlighter\u003C\u002Fa>\n   and drag your PDF onto the page — or click the card and pick a file from your computer.\n\u003C\u002Fp>\n\u003C!--kg-card-begin: html-->\n\u003Cfigure class=\"kg-card kg-image-card kg-card-hascaption\">\n  \u003Cimg\n    src=\"https:\u002F\u002Fweb-highlights.com\u002Fimages\u002Fscreenshots\u002Fcypress\u002Fweb-app\u002Fpdf-upload-card.png\"\n    class=\"kg-image\"\n    alt=\"The Free Online PDF Highlighter upload card: drag and drop a PDF to highlight it in the browser\"\n    loading=\"lazy\"\n    width=\"1200\"\n    height=\"720\"\n  \u002F>\n  \u003Cfigcaption>\u003Cspan style=\"white-space: pre-wrap\">Drag in a PDF — that's the whole setup.\u003C\u002Fspan>\u003C\u002Ffigcaption>\n\u003C\u002Ffigure>\n\u003C!--kg-card-end: html-->\n\u003Cp>\n  No account screen, no install prompt, no \"create your workspace\" step first. Your file opens straight in the\n  highlighter, ready to mark.\n\u003C\u002Fp>\n\u003C!--kg-card-begin: html-->\n\u003Cfigure class=\"kg-card kg-image-card kg-card-hascaption\">\n  \u003Cimg\n    src=\"https:\u002F\u002Fweb-highlights.com\u002Fimages\u002Fscreenshots\u002Fcypress\u002Fweb-app\u002Ffree-pdf-viewer-rendered.png\"\n    class=\"kg-image\"\n    alt=\"A PDF opened in the free online highlighter, ready to highlight in the browser\"\n    loading=\"lazy\"\n    width=\"1200\"\n    height=\"720\"\n  \u002F>\n  \u003Cfigcaption>\u003Cspan style=\"white-space: pre-wrap\">Your PDF, open and ready to mark.\u003C\u002Fspan>\u003C\u002Ffigcaption>\n\u003C\u002Ffigure>\n\u003C!--kg-card-end: html-->\n\u003Ch2 id=\"select-text-pick-a-color\">Select text, pick a color\u003C\u002Fh2>\n\u003Cp>\n  Select any text and a little color picker appears. Click a color, and that line lights up. Everything saves as you go,\n  and each highlight lands in the sidebar on the left.\n\u003C\u002Fp>\n\u003Cp>The colors aren't just for looks — they're how you find things again later. The system I use:\u003C\u002Fp>\n\u003Cul>\n  \u003Cli>\n    \u003Cstrong>Yellow\u003C\u002Fstrong>\n     — the key points\n  \u003C\u002Fli>\n  \u003Cli>\n    \u003Cstrong>Red\u003C\u002Fstrong>\n     — questions, and anything to double-check\n  \u003C\u002Fli>\n  \u003Cli>\n    \u003Cstrong>Green\u003C\u002Fstrong>\n     — definitions and terms worth keeping\n  \u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\n  Want to add a thought? Click a highlight and type a note. It stays pinned to that exact line, so when you come back\n  weeks later you still know what you meant.\n\u003C\u002Fp>\n\u003C!--kg-card-begin: html-->\n\u003Cfigure class=\"kg-card kg-image-card kg-card-hascaption\">\n  \u003Cimg\n    src=\"https:\u002F\u002Fweb-highlights.com\u002Fimages\u002Fscreenshots\u002Fcypress\u002Fextension\u002Fpdf-with-highlight.png\"\n    class=\"kg-image\"\n    alt=\"A highlighted PDF with the Web Highlights sidebar listing the highlight\"\n    loading=\"lazy\"\n    width=\"1200\"\n    height=\"720\"\n  \u002F>\n  \u003Cfigcaption>\n    \u003Cspan style=\"white-space: pre-wrap\">A highlight on the page, mirrored in the sidebar.\u003C\u002Fspan>\n  \u003C\u002Ffigcaption>\n\u003C\u002Ffigure>\n\u003C!--kg-card-end: html-->\n\u003Ch2 id=\"the-pdf-highlighter-is-free-no-sign-up\">The PDF highlighter is free, no sign-up\u003C\u002Fh2>\n\u003Cp>\n  The tool is properly free, and you can highlight a whole PDF without ever making an account. Since there's no account,\n  your file is treated as temporary — it's kept for 1 hour, then deleted, highlights and all.\n\u003C\u002Fp>\n\u003Cp>\n  Want to hold on to it? Create a free account from the banner in the viewer, and your PDF plus every highlight stick\n  around for good — synced across your devices, so you can start on your laptop and pick up on your phone. And because\n  this is a web page, not an extension, it runs in any modern browser: Chrome, Edge, Firefox, even Safari.\n\u003C\u002Fp>\n\u003Ch2 id=\"download-or-print-your-pdf-with-the-highlights\">Download or print your PDF with the highlights\u003C\u002Fh2>\n\u003Cp>\n  A lot of online highlighters trap your work — you mark up the PDF, but you can't get the marked-up file back out. This\n  one gives it back. Hit \n  \u003Cstrong>Download\u003C\u002Fstrong>\n   and you get the real PDF, your highlights saved as proper annotations: same colors, with your notes attached as\n  comments. Open it in Adobe Acrobat, macOS Preview, or Microsoft Edge and they're all there, still editable, with the\n  text underneath still selectable.\n\u003C\u002Fp>\n\u003Cp>\n  Need it on paper? Print keeps the colors on the page. The \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fdocs\u002Ffeatures\u002Fhighlight-pdfs\u002Fdownload-print-pdf-with-highlights\">\n    download & print guide \n  \u003C\u002Fa>\n  walks through both.\n\u003C\u002Fp>\n\u003Ch2 id=\"already-highlighted-it-in-acrobat-import-it\">Already highlighted it in Acrobat? Import it\u003C\u002Fh2>\n\u003Cp>\n  Got a PDF that already has highlights — from Acrobat, Preview, or anything that writes standard PDF annotations? The\n  viewer spots them and offers to pull them in. One click and they turn into real, editable highlights, colors and notes\n  intact, no retyping. The \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fdocs\u002Ffeatures\u002Fhighlight-pdfs\u002Fimport-pdf-annotations\">import guide\u003C\u002Fa>\n   has the specifics.\n\u003C\u002Fp>\n\u003Ch2 id=\"want-it-on-every-pdf-add-the-free-extension\">Want it on every PDF? Add the free extension\u003C\u002Fh2>\n\u003Cp>\n  The online tool is the quickest way to mark up one PDF without installing anything. If PDFs are your daily reading,\n  the free \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fhow-to-highlight-pdfs-using-web-highlights\u002F\">Web Highlights extension\u003C\u002Fa>\n   goes further: it highlights any PDF — or any web page — right where you open it, no upload step, and everything\n  saves and syncs on its own, with tags, search, and a flashcard-style learning mode on top. The online tool is the test\n  drive; the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Finstall\">extension\u003C\u002Fa>\n   is the full thing.\n\u003C\u002Fp>\n\u003Ch2 id=\"final-thoughts\">Final thoughts\u003C\u002Fh2>\n\u003Cp>\n  That's the whole idea: highlighting a PDF shouldn't cost you a download, an account, or ten minutes of setup. Open\n  the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Ftools\u002Fpdf-highlighter\">free PDF highlighter\u003C\u002Fa>\n   , drop in a file, and mark it up. If you find yourself using it a lot, the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fdocs\u002Ffeatures\u002Fhighlight-pdfs\">PDF highlighter docs\u003C\u002Fa>\n   go through everything the viewer can do.\n\u003C\u002Fp>\n\u003Cp>I'm always happy to answer questions, and I'm open to criticism — reach out any time 😊\u003C\u002Fp>\n\u003Cp>\n  Get in touch via \n  \u003Ca href=\"https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Fmarius-bongarts-6b3638171\u002F\" rel=\"me\">LinkedIn\u003C\u002Fa>\n   or follow me on \n  \u003Ca href=\"https:\u002F\u002Ftwitter.com\u002FMariusBongarts\" rel=\"me\">Twitter\u003C\u002Fa>\n   .\n\u003C\u002Fp>\n\u003Chr \u002F>\n\u003Ch2 id=\"faq\">FAQ\u003C\u002Fh2>\n\u003Ch3 id=\"how-do-i-highlight-a-pdf-online-for-free\">How do I highlight a PDF online for free?\u003C\u002Fh3>\n\u003Cp>\n  Open the \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Ftools\u002Fpdf-highlighter\">free online PDF highlighter\u003C\u002Fa>\n   , drop in your PDF, select any text, and pick a color. That's it — no download, no account. From there you can\n  download or print the PDF with your highlights, all in the browser.\n\u003C\u002Fp>\n\u003Ch3 id=\"is-the-pdf-highlighter-really-free\">Is the PDF highlighter really free?\u003C\u002Fh3>\n\u003Cp>\n  Yes — you can open a PDF and highlight it without paying or signing up. A free account is optional. It's what you make\n  when you want to keep a file past the 1-hour window and have your highlights sync across devices.\n\u003C\u002Fp>\n\u003Ch3 id=\"do-i-need-to-install-anything\">Do I need to install anything?\u003C\u002Fh3>\n\u003Cp>\n  Nope. The \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Ftools\u002Fpdf-highlighter\">online PDF highlighter\u003C\u002Fa>\n   is just a web page — no download, no extension, no software. Open it, drop in a PDF, and start highlighting.\n\u003C\u002Fp>\n\u003Ch3 id=\"which-browsers-does-it-work-in\">Which browsers does it work in?\u003C\u002Fh3>\n\u003Cp>\n  Any modern one — Chrome, Edge, Firefox, Safari. That's the nice thing about a browser tool over an extension: there's\n  nothing to install for it to work.\n\u003C\u002Fp>\n\u003Ch3 id=\"can-i-download-the-pdf-with-my-highlights\">Can I download the PDF with my highlights?\u003C\u002Fh3>\n\u003Cp>\n  Yes. Download hands you the PDF with your highlights as standard annotations — colors and notes included — that open\n  in Acrobat, Preview, Edge, and the rest. You can print it with the colors intact too. The \n  \u003Ca href=\"https:\u002F\u002Fweb-highlights.com\u002Fdocs\u002Ffeatures\u002Fhighlight-pdfs\u002Fdownload-print-pdf-with-highlights\">\n    download & print guide \n  \u003C\u002Fa>\n  has the details.\n\u003C\u002Fp>\n\u003Ch3 id=\"what-about-scanned-pdfs\">What about scanned PDFs?\u003C\u002Fh3>\n\u003Cp>\n  Honest answer: no. A scanned PDF is really just a photo of a page, so there's no selectable text to highlight. Run it\n  through an OCR tool first to add a text layer, and then it behaves like any other PDF.\n\u003C\u002Fp>\n","Marius Bongarts","https:\u002F\u002Fwww.facebook.com\u002FMariusBongartsWeb","\u002Fblog\u002Fcontent\u002Fimages\u002F2022\u002F08\u002FIMG_7861_Square.jpeg","https:\u002F\u002Fmarius-bongarts.de\u002F","Founder & Software Engineer","https:\u002F\u002Ftwitter.com\u002FMariusBongarts",1030,[31,60,83],{"id":32,"slug":33,"title":34,"description":35,"url":36,"publishedAt":37,"createdAt":38,"updatedAt":39,"featured":18,"readingTime":40,"tags":41,"imageUrl":42,"imageAlt":34,"faviconUrl":43,"publishedAtString":37,"category":44,"readTimeString":59},"69247fac2ed30b09fb978171","best-adobe-pdf-alternatives","10 Best Adobe PDF Alternatives","Looking for a lightweight Adobe PDF alternative? Compare the best tools for reading, annotating, editing, and summarizing PDF files in your browser.","https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fbest-adobe-pdf-alternatives\u002F","2025-12-01T07:21:55.000+00:00","2025-11-24T15:54:20.000+00:00","2026-06-11T12:33:47.000+00:00",11,[],"https:\u002F\u002Fimages.unsplash.com\u002Fphoto-1649734926700-8dfb770ffaee?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wxMTc3M3wwfDF8c2VhcmNofDJ8fGFkb2JlfGVufDB8fHx8MTc2NDU3MzYwM3ww&ixlib=rb-4.1.0&q=80&w=2000","https:\u002F\u002Fweb-highlights.com\u002Ffavicon.ico",[45,52],{"type":46,"title":47,"shortTitle":48,"icon":49,"description":50,"excerpt":51},"highlighting","Highlight Websites & PDFs in Chrome","Highlighting","mark-icon","From PDF highlighters to Chrome extensions—see how Web Highlights makes highlighting fast, colorful, and organized across the sites you read every day.","Highlighting should feel as natural as a physical marker, but with superpowers: multi-color marks, notes, tags, and sync. Web Highlights is built for both web pages and PDFs, so you can keep one workflow instead of juggling separate “PDF only” or “website only” tools.",{"type":53,"title":54,"shortTitle":55,"icon":56,"description":57,"excerpt":58},"annotating","Annotate the Web & PDFs with Web Highlights","Annotating","feather-edit-3","Annotating long texts is challenging. Learn techniques for better annotations and how Web Highlights helps you mark up articles and PDFs in the browser.","Annotation turns passive scrolling into real understanding. Whether you need marginal notes for research, structured tags for coursework, or quick highlights for newsletters, Web Highlights keeps every mark anchored to the source—so you can review, search, and export without losing context.","11 min read",{"id":61,"slug":62,"title":63,"description":64,"url":65,"publishedAt":66,"createdAt":67,"updatedAt":68,"featured":18,"readingTime":69,"tags":70,"imageUrl":71,"imageAlt":72,"faviconUrl":43,"publishedAtString":66,"category":73,"readTimeString":82},"68aef936fe649d2cf780027d","how-to-highlight-in-obsidian-and-maximize-your-note-taking-experience","How to Highlight in Obsidian (and Maximize Your Note-Taking Experience)","Learn how to highlight in Obsidian using Markdown and Web Highlights. Add colors, tags, notes, and one-click export for faster, cleaner notes.","https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fhow-to-highlight-in-obsidian-and-maximize-your-note-taking-experience\u002F","2025-09-01T12:42:09.000+00:00","2025-08-27T12:25:26.000+00:00","2026-04-09T12:54:14.000+00:00",9,[],"https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fcontent\u002Fimages\u002F2025\u002F09\u002Fhow-to-highlight-in-obsidian.webp","Person sitting at a desk using a tablet and laptop, with highlighted notes on the tablet screen.",[74,81],{"type":75,"title":76,"shortTitle":77,"icon":78,"description":79,"excerpt":80},"second-brain","Second Brain & PARA with Web Highlights","Second brain","brain","Build a second brain from what you read online. Connect PARA, progressive summarization, and exports into Notion or Obsidian with Web Highlights.","Your second brain is only as good as what flows into it. Web Highlights captures highlights and notes from the open web and PDFs in a format you can export and refine—so ideas from articles become durable notes instead of forgotten tabs.",{"type":46,"title":47,"shortTitle":48,"icon":49,"description":50,"excerpt":51},"9 min read",{"id":84,"slug":85,"title":86,"description":87,"url":88,"publishedAt":89,"createdAt":90,"updatedAt":91,"featured":18,"readingTime":92,"tags":93,"imageUrl":98,"imageAlt":99,"faviconUrl":43,"publishedAtString":89,"category":100,"readTimeString":109},"6881cc0011dbf30a48a15343","how-to-highlight-in-apple-notes-with-different-colors","How to Highlight in Apple Notes (with Different Colors)","Learn how to highlight text in Apple Notes with colors using this free online tool. Copy, paste, color‑code your notes, and export them — no account required.","https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fhow-to-highlight-in-apple-notes-with-different-colors\u002F","2025-07-24T06:05:19.000+00:00","2025-07-24T06:00:32.000+00:00","2025-10-19T06:37:52.000+00:00",6,[94,95,96,97],"Tutorial","Note-Taking","Apple","Tools","https:\u002F\u002Fweb-highlights.com\u002Fblog\u002Fcontent\u002Fimages\u002F2025\u002F07\u002Fhighlight-in-apple-notes-thumbnail-min.png","Apple Notes logo transforming into a highlighted notes document with multiple colors.",[101,102],{"type":46,"title":47,"shortTitle":48,"icon":49,"description":50,"excerpt":51},{"type":103,"title":104,"shortTitle":105,"icon":106,"description":107,"excerpt":108},"learn-more","Popular Web Highlights Guides","Learn More","book-open","Web Highlights offers tons of features. Here are some of the most popular articles to make the most of it.","Start here for our most-read tutorials: PDF and web highlighting, exports, reader mode, and study workflows. Each guide shows how Web Highlights fits into real daily reading and research so you can get value in minutes—not hours of setup.","6 min read"]