Summary of long papers and PDFs can be challenging, especially when working on multiple projects or preparing for an exam. However, AI PDF summarizers have changed how one handles PDFs; today, getting insights and the gist of any lengthy document has become easier. While Knowt has become one of the most popular tools for summarizing PDFs, it’s not the only tool available. In fact, there are several strong alternatives that provide similar or even more advanced features to help you streamline your work.
This article explores the best Knowt alternatives for summarizing PDFs, including their features, strengths, and unique capabilities. Whether you’re looking for an AI PDF summarizer to handle academic papers, business reports, or technical manuals, these alternatives provide a variety of options suited to your specific needs. By the end of this article, you’ll have a clearer idea of which PDF summarizer fits your requirements, with a special focus on why PDFGPT stands out as the top choice among them.
Top Knowt Alternatives for Summarizing PDFs

1. PDFGPT
PDFGPT is the top AI PDF summarizer that differs itself with strong and highly accurate AI-powered summarization capabilities. It can work with long and complex PDFs without losing crucial details, so it is best for professionals and students.
Features:
- AI-Powered Summarization: The use of advanced NLP helps analyze and summarize documents effectively.
- Customizable Summaries: The tool offers flexible summary lengths and depths to suit the user’s needs.
- Collaboration: It integrates well with tools like Google Drive, Dropbox, and Slack, making it perfect for collaborative work on shared documents.
- Free and Premium Plans: Both free and subscription options are available, catering to different user types, from individuals to teams.
Why it’s a great alternative to Knowt: PDFGPT is way more flexible with customizations for the summary. This is because its integration with popular cloud tools is pretty powerful, and customizable summary settings make it very suitable for detailed documents or a professional environment.
2. Smallpdf
Smallpdf is one of the best-known websites for PDF tools, including summarization. Although it is not primarily a summarizing tool, it is a simple-to-use website with extensive features that is ideal for summarizing purposes.
Features:
- Easy Summarization: Condenses documents quickly without making it too cluttered with choices.
- PDF Tools Suite: Provides an array of functionalities for files in PDF, including compression, conversion, and editing.
- Cloud-Based: This one’s a complete cloud-based tool which can be used by any one with internet anywhere on the internet and it needs no installation.
Why it’s an alternative choice for Knowt: Smallpdf, although not as mature in summarizing capability like that of PDFGPT, because it offers PDF tools of immense range and makes it user-friendly, thus will serve to any who are using summarization of pdf and others also.
3. SMMRY
SMMRY is a completely free, web-based summarization tool designed for users who want a fast and no-fuss summarization experience. It is best suited for basic text-heavy PDFs and offers a very straightforward interface to condense documents quickly.
Features:
- Free Summarization: Offers completely free summarization services without requiring sign-ups.
- Adjustable Summary Length: Allows users to specify how concise or detailed the summary should be.
- Simple Text-Based Summarization: Suitable for text-based PDFs, excluding PDFs with too much imagery or complex formatting.
Why it is a good alternative to Knowt: SMMRY is an excellent AI summarizer for a quick, no-frills summary, especially for casual users or those who need a fast overview of basic documents. It’s perfect for someone looking for a free, no-registration-required solution for simple PDF summarization.
4. Resoomer
The idea for Resoomer is student/research-focused; indeed, this site is especially well-suited at identifying main points in longer or more complicated scholarly or technical articles. This software automatically provides an outline or abridgment using the key issues of the report.
Features:
- Summarization through Automatism: Automatically highlights key ideas or essential points to note in a specific text
- Tailor-Made Options: These options offer detailed summaries in regard to specific conditions of user necessities.
- Specialized for Academic Texts: It specializes in academic and research-related documents, making it extremely useful for students and scholars.
Why it is a great alternative to Knowt: If you are dealing with technical papers, research studies, or lengthy academic reports, Resoomer is an ideal alternative to Knowt. Its ability to condense complex documents into easy-to-digest summaries makes it invaluable for educational and research purposes.
5. QuillBot
QuillBot is a versatile AI tool that, although primarily a paraphrasing tool, also offers amazing summarization abilities. Whether it’s a summary of a document or a paraphrased version of the same text, QuillBot does the job well for both.
Features:
- Summarization and Paraphrasing: Offers both summary and paraphrasing tools, hence a more versatile experience.
- AI-Powered: Uses advanced artificial intelligence to deliver high-quality summaries.
- Multiple Modes: Offers different modes of summarization to cater to various user needs, whether they require a brief or detailed summary.
Why it’s a great alternative to Knowt: Unlike Knowt, QuillBot gives users the dual benefit of summarizing and paraphrasing their documents. This makes it particularly useful for content creators, researchers, and students who need to both summarize and reword portions of a document.
6. SummarizeBot
SummarizeBot is an AI-based summarization tool that can process long documents and summarize them in a concise, easy-to-read manner. It can read both PDFs and other file formats such as Word and PPT.
Features:
- Deep Learning Algorithms: Utilizes advanced deep learning models to produce highly accurate summaries.
- Supports Multiple File Formats: Works with PDFs, Word files, images, and more.
- Fast and Efficient: Delivers summaries quickly while maintaining the core content of the document.
Why it’s a great alternative to Knowt: SummarizeBot is a versatile AI PDF summarizer that can process multiple document formats, not just PDFs. Its deep learning-based approach allows for more accurate and context-sensitive summaries, making it suitable for a variety of document types.
7. Paraphrase Online
Paraphrase Online is a basic tool specialized in paraphrasing and also has the option of summarizing. This tool is excellent for users requiring fast and very basic summaries.
Features:
- Quick Summarization: It is a fast way to summarize text-based documents.
- Completely Free: Paraphrase Online is absolutely free to summarize.
- No Need to Register: The tool doesn’t require users to sign up or log in.
Why it’s a great alternative to Knowt: For users seeking a simple and quick PDF summarizer without registration, Paraphrase Online is a good and efficient tool. Though not as feature-rich as PDFGPT, it’s still a good option for users who need to quickly summarize basic PDFs.
8. Unridel AI
Unridel AI is a new AI summarization tool that has been developed specifically to provide contextual accuracy in PDF document summaries. It is geared toward users seeking a deeper and more nuanced understanding of their documents.
Features
- Context-Aware Summaries: Generates summaries that capture the underlying context of the text, which makes it perfect for technical or complex documents.
- Customization Options: The user can set the summary to focus on particular sections or details in a document.
- Multi-Format Support: It supports several file types, including PDF and Word documents.
Why it is a great alternative to Knowt: Unridel AI is great for users who need context-sensitive summaries and more customization. It’s an excellent alternative to Knowt for technical documents or complex academic papers that require more in-depth summarization.
Why PDFGPT is the Best Alternative to Knowt
From the various alternatives of Knowt that can be used to summarize PDFs, one tool stands out consistently, and that is PDFGPT. Here is why:
Advanced AI Summarization
PDFGPT offers one of the most advanced AI PDF summarizers available today. It can handle long, complex documents, with summaries that are both precise and context-aware.
Customizable Summaries
With PDFGPT, users have the option to adjust the summary length and depth to suit their specific needs. Whether you require a brief summary or a detailed one, PDFGPT allows you to fine-tune your output for maximum relevance.
Seamless Integration
PDFGPT integrates with tools such as Google Drive, Dropbox, and Slack. This makes it a great fit for collaborative workflows. It’s perfect for big teams working together on large documents and managing shared files.
Free and Affordable
PDFGPT offers free access and a subscription-based model that caters to both individuals and businesses. The tool is cost-effective and still delivers professional-grade summarization at a price far lower than with some other services.
Versatile and Reliable
Whether you’re working with academic papers, business reports, or technical documents, PDFGPT assures that critical insights are extracted efficiently and accurately, making it the most versatile and reliable choice for summary-making of PDFs.
Conclusion
While there are numerous Knowt alternatives for summarizing PDFs, PDFGPT stands out as the most comprehensive, customizable, and professional solution. Ranging from AI PDF summarizers to seamless integration and affordability, PDFGPT is the ultimate choice for anyone looking to summarize complex PDF documents efficiently. Be it a student, professional, or researcher, PDFGPT remains the gold standard when it comes to PDF summaries.