Compare the Top Free PDF Software as of October 2026

What is Free PDF Software?

PDF software refers to a range of tools designed for working with PDF (Portable Document Format) files, which are widely used for document sharing and storage. These tools offer a variety of functions, such as creating, viewing, editing, converting, securing, and managing PDF files. PDF software can be used for tasks like merging or splitting documents, adding annotations, filling out forms, applying digital signatures, and securing documents with passwords or encryption. It is commonly utilized across industries for document collaboration, official documentation, and data exchange due to its universal compatibility and ability to maintain formatting across different platforms. Compare and read user reviews of the best Free PDF software currently available using the table below. This list is updated regularly.

  • 1
    Apryse PDF SDK
    Apryse's PDF capabilities form the technical core of its product suite, a comprehensive, developer-embeddable PDF engine that handles viewing, editing, generation, conversion, and manipulation across web, mobile, and server environments. Rather than relying on a single monolithic PDF tool, Apryse gives developers granular, SDK-level control over every stage of the PDF lifecycle.
    Starting Price: 0.00
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  • 2
    Titan

    Titan

    Titan

    Build the forms, portals, documents, eSignatures, surveys, and workflows your business needs while keeping Salesforce at the center of it all. Titan brings these experiences into a single Salesforce-first platform, with data connected to Salesforce in real time rather than creating another place for it to live. Give customers, partners, and employees secure ways to interact with Salesforce. Collect and update information through dynamic forms, build branded portals, generate documents from Salesforce data, collect signatures, run surveys, and automate complex business processes. For forms and portals, Titan AI Studio gets you to a strong first version faster. Describe what you need in plain language and Titan creates the structure, fields, styling, and Salesforce mapping. Then refine the details in the visual builder. Titan AI understands your Salesforce data model, including objects, fields, and relationships, without accessing sensitive Salesforce record data. You get AI-assisted speed while staying in control of what gets built and how it works. Experience Studio and Document Studio bring these capabilities together, giving Salesforce teams one platform to build and manage customer-facing experiences, documents, and business processes.
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    Starting Price: $150 per month
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  • 3
    SODA PDF

    SODA PDF

    Avanquest

    Soda PDF is the software solution that helps your business quickly achieve any document goal with ease. Edit, create, convert, merge, split, sign, or secure PDFs to your needs. Modify documents using the best PDF editor and PDF converter. Our easy-to-use PDF tools are made to streamline any document workflow with efficient results. With the fastest Microsoft Office to PDF converter on the market, our Batch tool helps you create or convert multiple PDFs at once, along with the ability to add page numbers, watermarks, Bates numbering & secure permissions to multiple files or folders in seconds. Keep a safe distance between people and paper by signing, managing & tracking electronic signatures remotely using our efficient E-Sign feature. Save time & avoid retyping with OCR Edit to quickly search, recognize & modify text contained within any scanned document or image file. Access Soda PDF’s entire suite of tools & services directly from your desktop, or from any device with a web browser.
  • 4
    hyper Digital Asset Management Server

    hyper Digital Asset Management Server

    hyperCMS Content Management Solutions

    The hyper Content & Digital Asset Management Server helps organizations to have full control over all their digital assets, to automate processes and cut costs. Access all your rich rich content directly by conveniently integrating it into the creative workflow of internal/external teams and programs like Adobe CS, MS Office, and OpenOffice. Ensure process control with collaborative approval. Share the content directly on Social Media Networks. Create customized Brand Portals to promote and meassure the success of various rich content.
    Starting Price: $21.00/mo (SaaS) $0 On-Premise
  • 5
    Adobe PDF Library SDK

    Adobe PDF Library SDK

    Datalogics Inc.

    Adobe PDF Library is the only commercial PDF SDK built on Adobe Acrobat's own core engine, delivering the same rendering accuracy, PDF spec coverage, and behavior as Acrobat itself. Available in Modern C++, Adobe C/C++, .NET, .NET Framework, and Java, and supported on Windows, macOS, and Linux. Create, edit, merge, split, annotate, and watermark PDFs programmatically; convert to and from Word, Excel, PowerPoint, PDF/A, PDF/X, and more; add OCR, digital signatures, redaction, and encryption; and process AcroForms and XFA forms. SOC 2 Type 2 compliant, with a 91% customer retention rate among enterprise users. For enterprise deployment, the pdfRest API Toolkit Container packages this technology as a self hosted REST API for on premises, private cloud, or hybrid environments. Datalogics also offers Scout, an AI assistant, and an MCP server so teams can bring PDF capabilities into AI powered workflows.
    Starting Price: $5,999
  • 6
    DocsCloud

    DocsCloud

    DocsCloud

    DocsCloud helps professionals & businesses generate filled documents on a real-time basis, create web forms to collect information, create and manage agreements, secure sharing of documents & extract text from documents or images. DocsCloud is an all-in-one platform for creating, managing and sharing the documents that your business relies on every day. Form Builder provides a quick & easy interface to create flexible forms. Embed them anywhere or the user directly. DocTemplate strives to make the process of creating business documents easy. Fillable PDF module helps you manage and share your fillable PDFs with clients easily. DocExtractor allows you to extract the data from documents & images effortlessly. Plug it anywhere in your process. Create or upload documents and get them digitally signed from multiple parties (signees). Host documents and share them securely within the organization or with an external audience.
    Starting Price: $15 per month
  • 7
    Lumin PDF

    Lumin PDF

    Lumin PDF

    We are the bridge between paper and the cloud, our seamless PDF workflows help you achieve greater impact with less administration. Edit PDFs within Google Workspace. Open Lumin directly from Gmail, Google Drive, or Google Classroom. Uploading old documents to the cloud has never been easier. Get your team on the same page with real-time feedback and manual tools. Submit work, negotiate terms, and sign everything with Lumin Sign. Enjoy our comprehensive free plan for K-12 teachers and students. Our products are implemented using a rigorous and constantly updated security system. We also have a Google-verified storage system that ensures your files never have to leave Google Drive. Collaborate with your current colleagues and attract new ones with Lumin and Lumin Sign. Our innovative solutions are great on their own, but together they're even better. Lumin reduces the comings and goings of your team. With a cloud workspace integrated with Google, you can collaborate in real-time.
    Starting Price: $9 per month
  • 8
    Formplus PDF Builder
    Web-based PDF Builder for businesses, organizations, and individuals to create fillable PDF forms for free. Create surveys, legal agreements, contracts, registration forms, and other documents with the easy-to-use drag and drop pdf form builder. Our powerful customization options also allow you to beautify your PDF forms with colors and other visually appealing designs. You can also do more with your PDF forms by automating data collection and viewing analytics on form responses using Formplus.
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