# Top 10 PDF Annotation Tool Alternatives & Competitors **Average Rating:** 4.4/5 **Total Number of Reviews:** 47 Explore the best alternatives to PDF Annotation Tool for users who need new software features or want to try different solutions. Other important factors to consider when researching alternatives to PDF Annotation Tool include files and user interface. The best overall PDF Annotation Tool alternative is SuperAnnotate. Other similar apps like PDF Annotation Tool are Dataloop, V7 Darwin, Datasaur, and Keymakr. PDF Annotation Tool alternatives can be found in [AWS Marketplace Software](https://www.g2.com/categories/aws-marketplace) but may also be in [Data Labeling Software](https://www.g2.com/categories/data-labeling) or [MLOps Platforms](https://www.g2.com/categories/mlops-platforms). ## Best Paid & Free Alternatives to PDF Annotation Tool - [SuperAnnotate](https://www.g2.com/products/superannotate/reviews) - [Dataloop](https://www.g2.com/products/dataloop-dataloop/reviews) - [V7 Darwin](https://www.g2.com/products/v7-darwin/reviews) - [Datasaur](https://www.g2.com/products/datasaur/reviews) - [Keymakr](https://www.g2.com/products/keymakr/reviews) - [Labelbox](https://www.g2.com/products/labelbox/reviews) - [BasicAI Data Annotation Platform](https://www.g2.com/products/basicai-data-annotation-platform/reviews) - [LinkedAI](https://www.g2.com/products/linkedai/reviews) - [Encord](https://www.g2.com/products/encord/reviews) - [Amazon Sagemaker Ground Truth](https://www.g2.com/products/amazon-sagemaker-ground-truth/reviews) ## Top 10 Alternatives to PDF Annotation Tool Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how PDF Annotation Tool stacks up to the competition, check reviews from current & previous users in industries like Information Technology and Services, Biotechnology, and Telecommunications, and find the best product for your business. ### 1. [SuperAnnotate](https://www.g2.com/products/superannotate/reviews) By SuperAnnotate **Average Rating:** 4.8/5 **Total Reviews:** 381 SuperAnnotate is the leading platform for building, fine-tuning, iterating, and managing your AI models faster with the highest-quality training data. Reviewers say compared to PDF Annotation Tool, SuperAnnotate is: - Better at support - More expensive - Easier to do business with **Compare:** [PDF Annotation Tool vs SuperAnnotate](https://www.g2.com/compare/pdf-annotation-tool-vs-superannotate) **Compare SuperAnnotate with other alternatives:** - [SuperAnnotate vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-superannotate) - [SuperAnnotate vs V7 Darwin](https://www.g2.com/compare/superannotate-vs-v7-darwin) - [SuperAnnotate vs Datasaur](https://www.g2.com/compare/datasaur-vs-superannotate) - [SuperAnnotate vs Keymakr](https://www.g2.com/compare/keymakr-vs-superannotate) - [SuperAnnotate vs Labelbox](https://www.g2.com/compare/labelbox-vs-superannotate) - [SuperAnnotate vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-superannotate) - [SuperAnnotate vs LinkedAI](https://www.g2.com/compare/linkedai-vs-superannotate) - [SuperAnnotate vs Encord](https://www.g2.com/compare/encord-vs-superannotate) - [SuperAnnotate vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-superannotate) ### 2. [Dataloop](https://www.g2.com/products/dataloop-dataloop/reviews) By Dataloop **Average Rating:** 4.4/5 **Total Reviews:** 89 An end-to-end cloud-based annotation platform, with embedded tools and automations for producing high-quality datasets more efficiently. Reviewers say compared to PDF Annotation Tool, Dataloop is: - More expensive - Better at support **Compare:** [PDF Annotation Tool vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-pdf-annotation-tool) **Compare Dataloop with other alternatives:** - [Dataloop vs SuperAnnotate](https://www.g2.com/compare/dataloop-dataloop-vs-superannotate) - [Dataloop vs V7 Darwin](https://www.g2.com/compare/dataloop-dataloop-vs-v7-darwin) - [Dataloop vs Datasaur](https://www.g2.com/compare/dataloop-dataloop-vs-datasaur) - [Dataloop vs Keymakr](https://www.g2.com/compare/dataloop-dataloop-vs-keymakr) - [Dataloop vs Labelbox](https://www.g2.com/compare/dataloop-dataloop-vs-labelbox) - [Dataloop vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-dataloop-dataloop) - [Dataloop vs LinkedAI](https://www.g2.com/compare/dataloop-dataloop-vs-linkedai) - [Dataloop vs Encord](https://www.g2.com/compare/dataloop-dataloop-vs-encord) - [Dataloop vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-dataloop-dataloop) ### 3. [V7 Darwin](https://www.g2.com/products/v7-darwin/reviews) By V7 **Average Rating:** 4.7/5 **Total Reviews:** 55 V7 Darwin is a data labeling platform used by AI developers who need to train specialized computer vision models. It supports diverse data types, including images, videos, and medical imaging formats like DICOM or WSI. The platform offers AI-assisted labeling, data management, and workflow orchestration tools to help companies, clinics, and research labs create high-quality training data for building sophisticated AI solutions. It is especially useful for managing complex review processes and real-time collaboration between multiple teams of annotators, engineers, and domain experts. V7 Darwin integrates with popular ML frameworks and infrastructure and maintains high security and compliance standards (SOC 2, HIPAA), which makes it suitable for industries such as healthcare, retail, security, and manufacturing. Reviewers say compared to PDF Annotation Tool, V7 Darwin is: - Better at support - Easier to do business with - Better at meeting requirements **Compare:** [PDF Annotation Tool vs V7 Darwin](https://www.g2.com/compare/pdf-annotation-tool-vs-v7-darwin) **Compare V7 Darwin with other alternatives:** - [V7 Darwin vs SuperAnnotate](https://www.g2.com/compare/superannotate-vs-v7-darwin) - [V7 Darwin vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-v7-darwin) - [V7 Darwin vs Datasaur](https://www.g2.com/compare/datasaur-vs-v7-darwin) - [V7 Darwin vs Keymakr](https://www.g2.com/compare/keymakr-vs-v7-darwin) - [V7 Darwin vs Labelbox](https://www.g2.com/compare/labelbox-vs-v7-darwin) - [V7 Darwin vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-v7-darwin) - [V7 Darwin vs LinkedAI](https://www.g2.com/compare/linkedai-vs-v7-darwin) - [V7 Darwin vs Encord](https://www.g2.com/compare/encord-vs-v7-darwin) - [V7 Darwin vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-v7-darwin) ### 4. [Datasaur](https://www.g2.com/products/datasaur/reviews) By Datasaur **Average Rating:** 4.5/5 **Total Reviews:** 69 Datasaur offers the most intuitive interface for all your Natural Language Processing related tasks. Reviewers say compared to PDF Annotation Tool, Datasaur is: - More expensive - Better at support **Compare:** [PDF Annotation Tool vs Datasaur](https://www.g2.com/compare/datasaur-vs-pdf-annotation-tool) **Compare Datasaur with other alternatives:** - [Datasaur vs SuperAnnotate](https://www.g2.com/compare/datasaur-vs-superannotate) - [Datasaur vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-datasaur) - [Datasaur vs V7 Darwin](https://www.g2.com/compare/datasaur-vs-v7-darwin) - [Datasaur vs Keymakr](https://www.g2.com/compare/datasaur-vs-keymakr) - [Datasaur vs Labelbox](https://www.g2.com/compare/datasaur-vs-labelbox) - [Datasaur vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-datasaur) - [Datasaur vs LinkedAI](https://www.g2.com/compare/datasaur-vs-linkedai) - [Datasaur vs Encord](https://www.g2.com/compare/datasaur-vs-encord) - [Datasaur vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-datasaur) ### 5. [Keymakr](https://www.g2.com/products/keymakr/reviews) By Keymakr **Average Rating:** 4.8/5 **Total Reviews:** 46 We specialize in annotating images and videos and creating consistent high-quality data for your machine learning models. We create superior quality data that is backed by excellent customer service. We work with you to find the best strategy for your project. By combining advanced tools with in-house professional annotators, we guarantee incredible results. We believe that any Artificial Intelligence can perform only as well as the training data that is used to create it, and that always starts with a human touch. Done properly, data annotation has limitless potential. Reviewers say compared to PDF Annotation Tool, Keymakr is: - Better at support - Easier to do business with - Better at meeting requirements **Compare:** [PDF Annotation Tool vs Keymakr](https://www.g2.com/compare/keymakr-vs-pdf-annotation-tool) **Compare Keymakr with other alternatives:** - [Keymakr vs SuperAnnotate](https://www.g2.com/compare/keymakr-vs-superannotate) - [Keymakr vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-keymakr) - [Keymakr vs V7 Darwin](https://www.g2.com/compare/keymakr-vs-v7-darwin) - [Keymakr vs Datasaur](https://www.g2.com/compare/datasaur-vs-keymakr) - [Keymakr vs Labelbox](https://www.g2.com/compare/keymakr-vs-labelbox) - [Keymakr vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-keymakr) - [Keymakr vs LinkedAI](https://www.g2.com/compare/keymakr-vs-linkedai) - [Keymakr vs Encord](https://www.g2.com/compare/encord-vs-keymakr) - [Keymakr vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-keymakr) ### 6. [Labelbox](https://www.g2.com/products/labelbox/reviews) By Labelbox **Average Rating:** 4.5/5 **Total Reviews:** 48 A complete training data platform for AI. Reviewers say compared to PDF Annotation Tool, Labelbox is: - Better at support **Compare:** [PDF Annotation Tool vs Labelbox](https://www.g2.com/compare/labelbox-vs-pdf-annotation-tool) **Compare Labelbox with other alternatives:** - [Labelbox vs SuperAnnotate](https://www.g2.com/compare/labelbox-vs-superannotate) - [Labelbox vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-labelbox) - [Labelbox vs V7 Darwin](https://www.g2.com/compare/labelbox-vs-v7-darwin) - [Labelbox vs Datasaur](https://www.g2.com/compare/datasaur-vs-labelbox) - [Labelbox vs Keymakr](https://www.g2.com/compare/keymakr-vs-labelbox) - [Labelbox vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-labelbox) - [Labelbox vs LinkedAI](https://www.g2.com/compare/labelbox-vs-linkedai) - [Labelbox vs Encord](https://www.g2.com/compare/encord-vs-labelbox) - [Labelbox vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-labelbox) ### 7. [BasicAI Data Annotation Platform](https://www.g2.com/products/basicai-data-annotation-platform/reviews) By BasicAI **Average Rating:** 4.4/5 **Total Reviews:** 36 The BasicAI platform enables annotation of most types of unstructured data for a wide variety of industry applications and use cases. Reviewers say compared to PDF Annotation Tool, BasicAI Data Annotation Platform is: - More expensive - Better at support **Compare:** [PDF Annotation Tool vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-pdf-annotation-tool) **Compare BasicAI Data Annotation Platform with other alternatives:** - [BasicAI Data Annotation Platform vs SuperAnnotate](https://www.g2.com/compare/basicai-data-annotation-platform-vs-superannotate) - [BasicAI Data Annotation Platform vs Dataloop](https://www.g2.com/compare/basicai-data-annotation-platform-vs-dataloop-dataloop) - [BasicAI Data Annotation Platform vs V7 Darwin](https://www.g2.com/compare/basicai-data-annotation-platform-vs-v7-darwin) - [BasicAI Data Annotation Platform vs Datasaur](https://www.g2.com/compare/basicai-data-annotation-platform-vs-datasaur) - [BasicAI Data Annotation Platform vs Keymakr](https://www.g2.com/compare/basicai-data-annotation-platform-vs-keymakr) - [BasicAI Data Annotation Platform vs Labelbox](https://www.g2.com/compare/basicai-data-annotation-platform-vs-labelbox) - [BasicAI Data Annotation Platform vs LinkedAI](https://www.g2.com/compare/basicai-data-annotation-platform-vs-linkedai) - [BasicAI Data Annotation Platform vs Encord](https://www.g2.com/compare/basicai-data-annotation-platform-vs-encord) - [BasicAI Data Annotation Platform vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-basicai-data-annotation-platform) ### 8. [LinkedAI](https://www.g2.com/products/linkedai/reviews) By LinkedAI **Average Rating:** 4.6/5 **Total Reviews:** 23 LinkedAI ML models pre-label the data to remarkably reduce the cost and the time required to annotate your data. **Compare:** [PDF Annotation Tool vs LinkedAI](https://www.g2.com/compare/linkedai-vs-pdf-annotation-tool) **Compare LinkedAI with other alternatives:** - [LinkedAI vs SuperAnnotate](https://www.g2.com/compare/linkedai-vs-superannotate) - [LinkedAI vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-linkedai) - [LinkedAI vs V7 Darwin](https://www.g2.com/compare/linkedai-vs-v7-darwin) - [LinkedAI vs Datasaur](https://www.g2.com/compare/datasaur-vs-linkedai) - [LinkedAI vs Keymakr](https://www.g2.com/compare/keymakr-vs-linkedai) - [LinkedAI vs Labelbox](https://www.g2.com/compare/labelbox-vs-linkedai) - [LinkedAI vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-linkedai) - [LinkedAI vs Encord](https://www.g2.com/compare/encord-vs-linkedai) - [LinkedAI vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-linkedai) ### 9. [Encord](https://www.g2.com/products/encord/reviews) By Encord **Average Rating:** 4.8/5 **Total Reviews:** 65 Machine learning and data operations teams of all sizes use Encord's collaborative applications, automation features, and APIs to annotate, manage, and evaluate their datasets for computer vision. Reviewers say compared to PDF Annotation Tool, Encord is: - Better at support - More expensive - Easier to do business with **Compare:** [PDF Annotation Tool vs Encord](https://www.g2.com/compare/encord-vs-pdf-annotation-tool) **Compare Encord with other alternatives:** - [Encord vs SuperAnnotate](https://www.g2.com/compare/encord-vs-superannotate) - [Encord vs Dataloop](https://www.g2.com/compare/dataloop-dataloop-vs-encord) - [Encord vs V7 Darwin](https://www.g2.com/compare/encord-vs-v7-darwin) - [Encord vs Datasaur](https://www.g2.com/compare/datasaur-vs-encord) - [Encord vs Keymakr](https://www.g2.com/compare/encord-vs-keymakr) - [Encord vs Labelbox](https://www.g2.com/compare/encord-vs-labelbox) - [Encord vs BasicAI Data Annotation Platform](https://www.g2.com/compare/basicai-data-annotation-platform-vs-encord) - [Encord vs LinkedAI](https://www.g2.com/compare/encord-vs-linkedai) - [Encord vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-encord) ### 10. [Amazon Sagemaker Ground Truth](https://www.g2.com/products/amazon-sagemaker-ground-truth/reviews) By Amazon Web Services (AWS) **Average Rating:** 4.1/5 **Total Reviews:** 19 Amazon SageMaker Ground Truth helps you build highly accurate training datasets for machine learning quickly. SageMaker Ground Truth offers easy access to public and private human labelers and provides them with built-in workflows and interfaces for common labeling tasks. Reviewers say compared to PDF Annotation Tool, Amazon Sagemaker Ground Truth is: - Better at support - More expensive **Compare:** [PDF Annotation Tool vs Amazon Sagemaker Ground Truth](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-pdf-annotation-tool) **Compare Amazon Sagemaker Ground Truth with other alternatives:** - [Amazon Sagemaker Ground Truth vs SuperAnnotate](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-superannotate) - [Amazon Sagemaker Ground Truth vs Dataloop](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-dataloop-dataloop) - [Amazon Sagemaker Ground Truth vs V7 Darwin](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-v7-darwin) - [Amazon Sagemaker Ground Truth vs Datasaur](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-datasaur) - [Amazon Sagemaker Ground Truth vs Keymakr](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-keymakr) - [Amazon Sagemaker Ground Truth vs Labelbox](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-labelbox) - [Amazon Sagemaker Ground Truth vs BasicAI Data Annotation Platform](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-basicai-data-annotation-platform) - [Amazon Sagemaker Ground Truth vs LinkedAI](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-linkedai) - [Amazon Sagemaker Ground Truth vs Encord](https://www.g2.com/compare/amazon-sagemaker-ground-truth-vs-encord) ## Explore Articles - [Best user-friendly loyalty management system for new businesses](https://www.g2.com/discussions/best-user-friendly-loyalty-management-system-for-new-businesses) - [What are the best 3D visual configuration tools for a B2B manufacturing website where industrial buyers need to configure and quote custom products online?](https://www.g2.com/discussions/visual-configuration-what-are-the-best-3d-visual-configuration-tools-for-a-b2b-manufacturing-website-where-industrial-buye) - [Best collaborative project management platform](https://www.g2.com/discussions/best-collaborative-project-management-platform) - [What are the most trusted financial consulting firms by CFOs and finance leaders based on user reviews?](https://www.g2.com/discussions/what-are-the-most-trusted-financial-consulting-firms-by-cfos-and-finance-leaders-based-on-user-reviews) - [Best cloud-based automated testing solutions](https://www.g2.com/discussions/best-cloud-based-automated-testing-solutions) - [What's the best SMS marketing platform for driving high engagement without bombarding subscribers and causing message fatigue?](https://www.g2.com/discussions/what-s-the-best-sms-marketing-platform-for-driving-high-engagement-without-bombarding-subscribers-and-causing-message-fatigue) ## Spotlight Categories - [Corporate Learning Management Systems](https://www.g2.com/categories/corporate-learning-management-systems) - [Sales Training and Onboarding Software](https://www.g2.com/categories/sales-training-and-onboarding) - [Anti Money Laundering Software](https://www.g2.com/categories/anti-money-laundering)