15 Best Text Annotation Tool in 2023

Text Annotation Tool

There are several fields of research within machine learning that require text annotation tool and services, ranging from search engines and sentiment analysis to virtual assistants and chatbots.

Annotated data is gold in the AI research and development business. Massive amounts of high-quality, annotated data are a treasure. However, acquiring or producing this data may be a costly and time-consuming effort for your company. Fortunately, there are a number of text annotation tool and services that may provide you with the information you want. Entity extraction, part-of-speech tagging, sentiment analysis, and other services are among those offered.

What exactly are the annotation tools?

Annotation tools are apps that allow you to draw or use a text-editing tool to add extra information to an image, a database, or any other sort of material in your business workflow or marketing process.

Let us now examine the three main forms of annotation.

Annotation on the Screen

This form of annotation is accessible on several programs, such as Zoom, which allows you to change the screen that you are sharing with your team members with words and various other effects in order to transmit your voice and concept.

Manual Annotation

Manual Annotation A manual annotation is exactly what it sounds like. Any piece of material that you wish to share with your peers or coworkers must be manually annotated.

Annotation in Collaboration

Annotations of this sort are used to teach pupils how to read, write, and think critically. It is a method of instruction.

15 Best Text Annotation Tool Use in 2023

Let’s take a detailed look at some of the best text annotation tools that you really need to try.

1. Tagtog


Tagtog is a text annotation tool based in Poland that may be used to tag text both automatically and manually. Tagtog offers pre-trained NER models for automated text annotation as well as native PDF annotation. The firm features a network of skilled workers from many areas who can annotate specialized books in addition to the Tagtog tool.

2. nTask


nTask is the finest annotation tool accessible right now since it is the best project management application. The program lets you attach whatever attachment you want to the assignment you’re working on, which you can then comment on and assign to whomever you want.

Although the application was not developed with annotation in mind, it does offer amazing content editing capabilities and strategies for presenting your material in a more appealing manner.

3. Lionbridge


Lionbridge is an industry veteran with over 20 years of expertise and over 500,000 experienced annotators. Lionbridge AI’s crowd personnel, who are fluent in 300 different languages and have a focus on linguistics, can annotate your material with accuracy and speed. In the realm of natural language processing, the firm is a reputable provider of multilingual data annotation services. Text extraction, OCR text correction, linguistic feature tagging, linguistic component analysis, semantic search enablement, and other text annotation services are available. Lionbridge AI also provides bespoke processes to meet the unique requirements of your project.

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4. Filestage


Filestage is an excellent tool for examining the content you intend to present to your colleagues or coworkers. Marketing firms, media production companies, and marketing teams frequently use this platform in the organizational paradigm.

This application is also used to get the information you want to publish proofed, either inside your team or from the internal and external stakeholders involved in your company’s or project’s development process.

5. Scale AI

Scale AI

Scale, based in San Francisco, provides machine vision and natural language processing (NLP) data annotation services. The firm provides text annotation services such as OCR transcription, text classification, and comparison using a combination of human labor and Scale’s platform.

6. Annotate


This is a fantastic online annotation tool that will make the entire content annotation process a breeze. This program is quite beneficial since you may use it from the beginning of your content annotation process to the end when you need to protect your information from your intended audience.

One significant downside of using this program as your daily annotation driver is that you cannot work on your material on the fly. As a result, if you are a professional who utilizes their applications on the go, this software may not be for you.

7. Appen


Appen is a provider of many types of AI training data because of its large pool of crowd workers from various nations. Appen offers sentiment annotation, intent annotation, named entity annotation, and other text annotation services.

8. Drawboard Projects

Drawboard Projects

This program is a fantastic PDF markup tool that allows you to markup many different components of your project or material using smaller tools such as the polygon and text tools. You may use digital ink to annotate numerous types of papers that you are authoring and presenting to clients, peers, or coworkers.

However, one disadvantage of the program is that it is not straightforward, and users have experienced difficulty comprehending the tool’s features.

9. KConnect


Access to AI training data for highly specialized disciplines is a challenge for many AI researchers and developers. The KConnect team strives to assist annotators in swiftly and effectively classifying and annotating medical data. KConnect, in particular, offers semantic annotation, text analysis, and semantic search services for medical information.

10. ClickUp


ClickUp is a fantastic project management program, but where it truly shines in the context of this post is in the annotation capabilities that you can utilize to get work done quickly. Because it supports numerous formats such as png, gif, webp, and jpeg, the application has excellent characteristics that allow it to do various annotation procedures rather easily.

11. Clickworker


Clickworker is a crowdsourcing firm based in the United States and Germany with a large workforce capable of doing a wide range of jobs. Sentiment analysis and classification are two of their text annotation services.

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12. Hive


Hive is a project management software suite that includes a number of team-friendly features. One of these characteristics is that it may be used as annotation software, allowing users to collaboratively annotate and edit documents in real time.

Hive is a project management and annotation tool that will keep you and your team organized while also allowing you to work more effectively. Hive is a simple yet effective solution for project management from start to finish.

Hive allows you to upload files, assign projects, organize your timeline, annotate papers, and do other tasks. It is a fantastic tool for anyone who wants to do work quickly.

13. zipBoard


ZipBoard is a web-based annotation and feedback tool that works with almost any type of information. It allows you to annotate photographs, videos, webpages (static and live), SCORM, PDFs, and other material, and it helps reviewers with visual bug tracking and QA. You can analyze all of your web evidence on a single platform with zipBoard, which eliminates the need for lengthy email chains and screen-sharing meetings.

You may make notes on top of your screen instantaneously using zipBoard’s various annotation capabilities and share them with your team and stakeholders. It provides a simple, easy-to-use user interface that is extremely successful when gathering input from non-technical consumers and stakeholders, which is commonly necessary.

All of this is possible without the need for guest collaborators to create accounts, allowing you to assign and prioritize work directly from the dashboard.

By tracing all versions and revisions and explicitly defining duties, ZipBoard provides unambiguous cooperation for anyone, whether you are an agency or an individual.

14. LightTag


The LightTag text annotation tool is a platform that allows annotators and businesses to label text data in-house. While the initial package is free, each package level increases in price and includes a monthly restriction on annotations, beginning with 1000 annotations per month.

15. Dataturks


Dataturks offers picture annotation and text annotation services through an in-house API and hundreds of affiliated outsourced firms. Text categorization, named entity recognition, and part-of-speech labeling are some of their text labeling services.


What exactly are text annotation tool?

Text annotation is simply the process of scanning natural language data and adding additional information to it in a machine-readable manner. This new data may be utilized to train machine learning models and assess their performance.

What exactly is NLP text annotation?

Advances in natural language processing (NLP) have emphasized the growing demand for textual data in data science and other ML-powered businesses. Text annotation provides datasets for training machine learning models to process text or audio data, recognize document contents, and comprehend the underlying emotions included within them.

What is the purpose of text annotation?

Text annotation, such as NLP annotation, sentiment analysis, and other AI annotation models, makes news material more recognized, making it simpler to spot false news. For annotating semantics, phonetics, and news article discourse, both semantic and linguistic annotation are utilized.

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