Online PDF DPI Analyzer
This tool analyzes PDF files to extract detailed DPI information about embedded images.
With this tool, you can effortlessly analyze image dimensions, DPI (dots per inch), positioning, scaling, and more to ensure your PDFs meet quality and resolution standards.
How to Check the DPI of a PDF in 3 Steps
1. Upload Your PDF
Drop your PDF into the tool or click to browse — no sign-up or software needed.
2. Click Analyze PDF
Leave “Exclude SMASK (transparency masks)” checked to skip transparency layers, then click Analyze PDF. Every page is scanned in your browser in seconds.
3. Read Your DPI Report
Check the median, highest, and lowest DPI at the top, then work down page by page to see the DPI of every image. Click any thumbnail to view it full size.
Why Use Our Free PDF DPI Analyzer?
The easiest way to check image DPI, resolution, and print quality in any PDF online.
Lightning Fast
Upload your PDF and get the DPI of every embedded image in seconds, with full dimensions and file sizes.
100% Free
No hidden fees, no subscription required. Analyze as many PDFs as you need, completely free.
Privacy First
Your PDF is processed in your browser. Nothing is uploaded to any server.
Full Image Details
Every image is listed page by page with its pixel dimensions, display size on the page, format, file size, and DPI — so you can tell a 300 DPI photo from one stretched to twice its resolution.
Document Statistics
Page count, image count, and the median, highest, and lowest DPI for the whole document, plus how many images fall in each band — under 72, screen, good, or print quality.
Works on Any Device
Fully browser-based, works on desktop, tablet, and mobile.
Build Document Automation That Scales With APITemplate
APITemplate is an API-first platform that generates professional PDFs and images at scale from reusable templates, raw HTML, or URLs. Integrate via REST API, SDKs, or no-code tools like Zapier, Make, and n8n. Still comparing providers? Our alternatives and comparisons show how APITemplate stacks up.
Create Document Templates with Visual Editor
Create stunning PDFs using our WYSIWYG Template Editor. With its user-friendly interface, you can design templates visually — no coding required.
Combine your designs with JSON data to generate dynamic, fully-customized PDFs tailored to your needs. Perfect for invoices, reports, certificates, and more. Most teams start with invoice automation from one reusable template.
Convert HTML to PDF
Convert HTML to PDF using APITemplate.io’s powerful HTML Template Editor. Combine your HTML, CSS, and JavaScript skills with dynamic JSON data to create custom templates that deliver pixel-perfect PDFs.
Our PDF generation solution supports modern web technologies, enabling seamless integration for your automated workflows, reports, and more.
Customer Reviews
Trusted by businesses worldwide to generate millions of PDFs and images reliably. See what our customers have to say.
Jamie DearFounderWe are very grateful to Jacky and the team at APITemplate - their software has helped us to auto-generate high quality images for our student reports. It has been the perfect fit for us as we grow our Oxford summer school.
Alex DowdingVice SecretaryThe Wheelchair Football Association
We've successfully automated YouTube thumbnails and match event creation for our Powerchair Football league using your templates. It integrates with our Postgres database on retool.com, is expanding to include league table graphics and match results. Thanks to an AWS Inclusion and Diversity grant, we're enhancing our live-streaming workflow, further boosted by your product's automation capabilities. We're grateful for your excellent service and wanted to share our positive experience.
Nishitha DhanekulaCofounder /CTOAt askreferral.io, We are building referral networking platform for people to pitch and generate leads for different kinds of referrals, including, but not limited to job referrals, product referrals, funding referrals, realtor referrals etc. Having a vibrant social media community is crucial for our growth and APITemplate.io played crucial role in automating generation of digital posters for job postings, profile pitches, funding requests etc, to help us grow from 0 to 200K+ followers in LinkedIn in less than one year.
Danaé NicolasCTOWe've been using APITemplate.io to generate social images for our karting races and it's been a huge time-saver. The support team is super responsive and helpful - they quickly resolved an issue we encountered. We highly recommend this tool to anyone who needs a similar solution.
Ryan TurnbullIT ManagerAPITemplate.io is such an easy application to use. Simple, intuititive, and code free. At simplehuman, we render all our commercial invoices, dispatch notes, and multiple other templates. The ability to create multiple layouts, and group them into a logical container - makes our lives much simpler. This is a great tool to use, both affordable, and the support service turnaround time is second to none! Defintely worth the subscription!
Ron P.Product ManagerHad an issue with template implementation via Make and reached out for support. Within minutes, I got a response and was soon on a Zoom call resolving it. Despite the issue not being directly related to APITemplate.io, their team efficiently guided me to the right formatting. Many thanks!
Nicholas GertzProduct OwnerWe have been using the service daily in our application for a year and are very satisfied with the reliability. It meets all our requirements and requests for changes/improvements can be discussed directly with Jacky 1:1. Thanks and greetings from Germany
Lucas FridmanChief Product OfficerWe use APITemplate to generate key documentation we need to work with our industry partners. We are building a digital solution in an antiquated industry, which means we need to communicate data to our partners in the format that they are accustomed to (pdf forms). APITempate makes it easy for us to do this!
Jean-Paul HornPublisherWe love APITemplate.io for its simplicity and ease of use. Just setup once and "forget" about it due to its fabulous 3rd party integration. New features are regularly added, and reasonable custom requests are honoured within days.
Kevin FrickēAPITemplate.io is one of the best services I have worked with in a very, very long time. They are super responsive and a joy to work with. If you are struggling with PDF's, like I was, check 'em out!
Jacob MonashAutomation SpecialistWe run conferences with a number of speakers, each requiring an individual speaker profile. We used to create all of these profiles manually, but by incorporating APItemplate into our Zapier workflow, our team can generate a complete image with all of the speakers information in one click. Using the template editor is a bit of a learning curve, but the support team is very responsive and helpful.
George CooperAPITemplate.io is great. I love being able to quickly use HTML and CSS templates with dynamic variables to create documents. Support is also fast and responsive. Great vendor!
Frequently asked questions
What is this tool about?
The PDF DPI Analyzer is designed to help users extract detailed information about the embedded images in PDF documents. With this tool, you can effortlessly analyze image dimensions, DPI (dots per inch), positioning, scaling, and more to ensure your PDFs meet quality and resolution standards.
This tool analyzes PDF files to extract detailed DPI information about embedded images, including:
- Image dimensions and DPI (dots per inch) for each page
- Highest resolution images in the document
- Image positioning and scaling information
- Overall document statistics.
Is the tool free?
Yes, the tool is completely free to use without any hidden charges or subscription requirements. Analyze your PDFs anytime without limitations.
How to analyze the DPI for PDF documents online for free?
Follow these simple steps to analyze embedded images in PDFs:
- Drag and drop your PDF file into the upload area or click to select a file.
- Wait for the analysis to complete. The tool will extract information about image DPI, dimensions, and overall document statistics.
- Review the detailed analysis results displayed on your screen.
What is DPI?
DPI stands for Dots Per Inch and is a measure of the resolution of an image. It indicates how many individual dots of color can fit into a one-inch space, affecting the quality and clarity of the image.
Does a PDF document have a DPI?
PDF documents themselves do not have a DPI, but the raster images embedded within them do. The DPI of these images determines their quality and how they appear when printed or displayed.
How does the DPI of images impact a PDF document?
The DPI of images affects the overall quality and file size of a PDF. High-DPI images ensure better clarity, especially for printing, but can significantly increase the file size. If the file gets too heavy, our free compress PDF tool brings it back down. Conversely, low-DPI images may look pixelated. Our advanced PDF topics guide shows how to control image quality when you generate PDFs.
What other ways to view the DPI of a PDF?
Besides using the PDF DPI Analyzer, you can use software like Adobe Acrobat, specialized tools,such as pdfimages to view and analyze the DPI of images in a PDF.
Why is DPI important for PDFs?
DPI is crucial for ensuring that images in a PDF appear sharp and professional, particularly for printing purposes. Poor DPI can result in blurry or pixelated images, reducing the document's quality.
DPI and Use Cases
| DPI | Use Case |
|---|---|
| 72 DPI | Web usage: Suitable for online viewing as it matches most screen resolutions and minimizes file size for faster loading. |
| 150 DPI | Presentations: Ideal for slideshows on large screens, balancing quality and file size. |
| 200 DPI | Archiving: Ensures readable text and decent image quality for long-term digital storage. |
| 300 DPI | Printing: Standard for high-quality print materials like brochures, flyers, and books, ensuring sharp text and detailed images. |
| 400+ DPI | Marketing materials: Required for high-end content like posters and banners to achieve superior quality and vibrant details. |
| 600+ DPI | Specialized industries: Used in fields like architecture, engineering, or medical imaging for preserving intricate details in technical drawings or diagnostic images. |
Choosing the right DPI is essential for ensuring the intended balance between quality and file size. Each use case has specific requirements, so tailoring DPI settings to the purpose of the PDF ensures the best results for both visual appeal and practical usability. For marketing files like posters, our banner generation setup keeps every export print-ready.
What is APITemplate.io?
APITemplate.io is designed for generating PDF documents from reusable templates. It can be easily integrated with popular tools like Zapier, Airtable, Make.com, Bubble.io, n8n, UiPath, or directly via REST API, making it highly adaptable to various workflows.
There are three main ways to generate PDF documents using APITemplate.io:
- Template-based PDF generation: Create PDFs from predefined templates.
- HTML to PDF generation: Convert HTML content directly into PDF format.
- URL to PDF generation: Convert entire web pages to PDFs by simply providing their URLs.
The platform also supports custom CSS and JavaScript, allowing for advanced styling and customization. Its powerful template engine ensures that you can create complex documents efficiently, while the API Console enables you to preview and customize JSON data instantly.
In addition, APITemplate.io offers support for adding custom headers and footers, including page numbers and total page counts, making it an excellent choice for creating polished, professional PDF documents. You can also see how it compares with DocRaptor.
Related Free PDF Tools
Whatever comes next, compressing, merging, splitting, or converting APITempate has a free tool ready for it. Explore all free PDF tools and keep the work moving.
Still Managing PDFs Manually? It’s Time to Automate.
Use APITemplate to automate bulk invoices, reports, and certificates from reusable templates, raw HTML, or URLs. Integrate with Zapier, Make.com, n8n, or REST API.