Free
$0Free plan available.
Markup is an open-source annotation tool used to transform unstructured documents into structured formats for NLP and machine learning tasks, such as named-entity recognition. The tool learns from your input to predict and suggest complex annotations, helping you build structured datasets from free-text efficiently. It is powered by GPT-4.
Ensure JavaScript is enabled in your browser to run the application. Begin by reviewing the documentation, then sign in or create an account to start annotating text and generating structured data.
Markup is an open-source annotation tool designed to transform unstructured documents into structured formats suitable for NLP and machine learning tasks.
Markup is used for tasks such as named-entity recognition and the creation of structured datasets from free-text documents.
Free plan available.
Use these comparison pages to understand the trade-offs between the models most relevant to Markup.
Compare GPT 5.4 and GPT 5.4 Pro across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and GPT 5.4 across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and Claude 4.6 Opus across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and Claude 4.6 Sonnet across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Yapping is a Chrome extension that enables voice-based interaction with ChatGPT, removing the need for manual typing. It provides access to premium features at a lower cost by allowing users to integrate their own OpenAI API key.
Read to Me is a Chrome extension that acts as a natural reader, offering text-to-speech (TTS) and read-aloud capabilities. It enables users to listen to articles, web pages, and other text-based content for improved accessibility and convenience.
The IsItAI.com Chrome extension leverages artificial intelligence to detect and classify images. By analyzing uploaded files, it determines whether an image is a real photograph or AI-generated, providing a confidence score and content classification for each result.
The AI Chat Assistant Browser Extension is a tool designed to improve the convenience and efficiency of your AI chat interactions. It offers support for content creators, researchers, customer service representatives, and other professionals who rely on AI chat tools, helping to streamline their daily workflows.
ViiTor is a Chrome extension that provides real-time audio transcription and translation for live broadcasts, online videos, and virtual meetings, allowing users to display bilingual subtitles.
The Zalo Automation Tool is a Chrome extension designed to streamline tasks on Zalo, the popular messaging and social networking platform. It automates sending messages, adding friends, building communities, and identifying potential customers, helping businesses and individuals efficiently manage their Zalo presence and expand their reach.
This AI-powered Chrome extension serves as a management and intelligence platform for SaaS software. It enables businesses to effectively monitor, analyze, and optimize their SaaS application usage and expenditures.
The Groq Cloud API Chrome extension provides developers with access to the Groq LPU™ Inference Engine, facilitating high-speed, efficient execution of large language models (LLMs). This API enables low-latency inference, making it suitable for real-time applications like chatbots, search engines, and content generation tools. By utilizing the Groq LPU™ architecture, developers can achieve faster inference times than traditional CPU or GPU setups, enhancing user experience and lowering operational costs.
This AI-powered Chrome extension helps you generate high-quality marketing copy efficiently. By utilizing advanced natural language processing (NLP), it interprets your inputs to produce compelling content for websites, social media, email campaigns, and advertisements. The tool is designed to streamline your copywriting workflow, saving time while maintaining consistent brand messaging.
The Satellite AI and Side Panel AI Chrome extension appears to offer distinct AI-driven features. While specific product details are limited, these tools generally focus on enhancing productivity through automation, data analysis, and intelligent decision-making, supporting tasks such as content generation, customer support, and data processing.
Pebble is an AI-powered browser extension designed to assist you in actively reading and watching online content.
AI Copilot Chrome extension: An AI assistant designed to understand your business operations, helping you work faster and more efficiently.