AI Annotation
The best 50 AI Annotation tools - Free & Paid
Explore 50 AI for AI Annotation
Imagvio AI is an AI image editor that ensures character consistency across local edits, enabling targeted changes to faces, scenes, and objects without disrupting composition. It fuses multiple images, transfers styles, and adjusts pose, lighting, and color for coherent, high-resolution outputs idea
Freemium
- $4.99/mo
The AI Lab provides an advanced tool with image and facial enhancements features such as photo colorization, object and background removal, cartoon creation, retouching portraits, adjusting facial expressions, and API and platform for developers.
Free
Notion AI is an integrated AI tool that automates tasks, generates summaries and offers writing assistance within the Notion drag-and-drop text editor. A free trial is available with an add-on subscription for unlimited usage.
Freemium
answersai is an AI tool that offers instant solutions to academic questions. Users can capture problems via photo and receive accurate responses, with support for follow-up queries to enhance understanding across various subjects, accessible on mobile and web.
Freemium
AI Toolbar is a Chrome extension that adds an AI assistant to every webpage. It generates text, summarizes, translates, and paraphrases content, supports voice commands, offers a chatbot, exports replies to Word/PDF, integrates with ChatGPT, and allows custom prompts.
Freemium
AI‑Writer.com generates concise, cited answers to academic questions from 100 million open‑science papers, shows source paragraphs, offers BibTeX, supports APA/MLA/Chicago, and lets users build structured reviews via drag‑and‑drop and download them as HTML.
Subscription
- $49
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
Free
BasicAI is an end‑to‑end data annotation platform for image, video, audio, LiDAR, and text, offering AI‑powered labeling, collaborative workflows, real‑time QA, and private deployment, used by ML engineers in autonomous driving, robotics, and logistics.
Paid
Nozomio Labs offers Nia, an AI tool designed to enhance the software development lifecycle. It focuses on code understanding, automating quality assurance, security, and deployment, thereby improving collaboration between developers and AI technologies.
Freemium
AI Math Solver is a browser‑based tool that accepts text, typed input, or images of math problems and delivers step‑by‑step solutions across algebra, calculus, geometry, trigonometry, linear algebra, and word problems, with adaptive difficulty and a learning history.
Freemium
Raphael AI is a browser and API image generator that routes between multiple models (Z-Image, Flux 2, Qwen-Image, Nano Banana Pro) for scene-aware photoreal, anime, and illustration outputs, with prompt-accurate controls, editor tools, fast inference, and no data retention.
Free trial
Aider is an AI-powered pair programming tool that helps developers collaborate with LLMs for editing, refactoring, and debugging code within Git repositories. It supports multiple languages and integrates with IDEs and editors for real-time updates.
Free
Anifun AI enables users to create anime and manga through customizable character design, AI-driven story generation, and efficient panel layout tools. Its user-friendly interface caters to both beginners and experienced artists.
Free trial
LlamaGen.Ai converts text, images, or story ideas into full 4K comics, webtoons, or manga while preserving consistent character designs. It requires no drawing skill, offers API integration, and includes image‑to‑comic, character sheet, and panel segmentation features.
Subscription
- $15/mo
AHelp is an AI platform offering essay writing, paraphrasing, grammar and plagiarism checks, and AI source finding in multiple languages. It generates outlines, expands paragraphs, and validates originality, streamlining drafting and quality control.
Subscription
- $4.17/mo
UnitLab is a cutting-edge, collaborative AI data annotation platform boosting efficiency by 15x through auto-annotation tools. It excels in various annotation types, project management, and automated tasks for accurate object detection and OCR in 123 languages.
Subscription
MD.ai automates radiology reporting and dataset annotation, handling template selection, key finding mapping, impression generation, billing codes, and patient audio summaries. It integrates with HL7/DICOM, offers secure PHI detection, multilingual support, and AI‑assisted annotator for high‑quality
Freemium
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
The Speak AI tool is a language data analysis and research platform with transcription, data analysis, and sentiment analysis capabilities for various types of media.
Free trial
Coloringbook.ai allows users to create personalized coloring pages from images or text. It offers downloadable formats like PDF and PNG, supports pre-made themes, and is suitable for creating coloring books, ensuring a user-friendly experience.
Free trial
- $0.58/mo
Codeconvert AI is an AI-powered tool that automates code conversion across over 25 programming languages, eliminating the need for manual conversion. It supports a wide range of programming languages and is user-friendly.
Free trial
An AI platform that rewrites text in eight styles—Standard, Fluency, Humanizer, Simplify, Creative, Academic, Shorten, Expand—while supporting custom modes, tone settings, synonym selection, audio‑to‑text, OCR, and a research panel. Available via browser extensions, mobile apps.
Free
AIAI is an all-in-one platform that generates videos and images from text prompts. It offers over 150 artistic styles, photo enhancement, and tools to animate pictures into videos.
Free trial
isahit provides human-centered data labeling and processing for computer vision, NLP, and speech, offering collaborative workspaces, secure API, customizable annotator training, quality control, and AI-assisted workflows (active learning, RLHF, RAG) to prepare data for model training.
Subscription
ContentDetector.AI is a free tool that identifies AI-generated written text, including Chat GPT and GPT 3 content, and provides an estimated percentage score of AI generation likelihood.
Free
Vectorizer.ai is an AI-powered tool that converts raster images into vector images quickly and easily.
Free
- $1
AI Manga Translator enables users to upload and translate manga images quickly while preserving original art and text. Supporting multiple languages and translation engines, it caters to both casual readers and professionals for efficient comic comprehension.
Freemium
MyArchitectAI is an AI rendering software for architects and interior designers that creates photorealistic 4K renders in seconds. It supports various 3D model formats and offers features like style transfer and one-click image enhancement.
Freemium
Aitubo is an AI tool that generates high-quality images, cartoons, game assets and photos from sketches, with AI editor for efficient image editing and fine-tuning of production-ready art assets.
AI-powered comic creation tool that enables users to easily generate diverse and engaging comics using multiple styles, layouts, and customization options. Ideal for non-artists, it simplifies the comic-making process with creativity and convenience.
Freemium
Ai Translator compares 22 AI models via its SMART feature to produce the most agreed translations, offering over 100 languages and regional dialects. It auto‑detects source language, accepts text or files, and provides instant quality feedback and real‑time accuracy analytics.
Freemium
- $39/mo
Aigazou is a free AI image generator that allows users to create high-quality images by simply describing their vision, without requiring any login or account creation. It supports both English and Japanese prompts and offers commercial usage with a focus on user privacy.
Free
AI Studio converts natural‑language prompts into working code across C++, Python, JavaScript, SQL, CSS, HTML, and regex. It translates snippets, adds typing hints, estimates complexity, offers git/command lookup, and provides plain‑English explanations, supporting collaboration and quick prototyping
Freemium
AI Tools Directory offers a searchable catalog of 5,000+ AI tools organized by category and rating. Users can filter by application, bookmark selections, and access documentation or example projects, with regular updates to keep listings current.
Free
AIConsole is an open-source desktop editor featuring a console interface for local code execution. It optimizes workflow, excels in automation and precise task handling via advanced prompt engineering and RAG system support. Collaborative domain-specific AI solutions are facilitated through its ope
Freemium
EmbedSocial aggregates reviews from Google, Trustpilot, Yelp, Facebook, Instagram, TikTok, YouTube, and more into customizable widgets. AI tools summarize reviews, draft responses, auto‑generate CSS, and provide API integration, analytics, moderation, and social‑listening for multi‑location business
Free trial
- $29/mo
aiPDF lets users upload PDFs, EPUBs, URLs or YouTube links to extract data, summarize content, and ask context‑specific questions. It returns source‑backed answers, supports any file size, auto‑deletes uploads, and offers response exports.
Subscription
- $9/mo
Anifusion is a web‑based AI manga studio that turns story prompts into comic panels using models like AnimagineXL, FLUX, and Stable Diffusion XL. Users can edit scenes, control poses, and publish finished works to a gallery.
Freemium
iColoring AI is a user-friendly online tool that transforms text prompts or images into customizable black-and-white coloring pages. It offers daily credits, supports multiple styles, and allows instant downloads in PNG or PDF formats for children, educators, and parents.
Free trial
AI Tutor consolidates 200+ models into a single interface, enabling instant switching across text, image, audio, and video. It offers coding support, document analysis, app building, research tools, chatbot creation, and Beam for side‑by‑side model comparison.
Freemium
- $14.99/mo
OiiOii.ai is an AI animation agent team offering end-to-end production with role-based workflows (Art Director, Scene Designer, Scriptwriter, etc.), drag-and-drop references, chat refinement, one-click short-form rendering, multi-style character/IP creation, asset tracking and export-ready files.
Freemium
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium