# AI tools for “File annotation” 90 matching tools; showing 24, ranked by relevance. Filters: `group=coding-development` Related categories: [ai-files](https://openaitools.app/category/ai-files.md) | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [SuperAnnotate](https://openaitools.app/tool/super-annotate) | 386,034 | +37.4% | Free Trial, Contact for Pricing | AI data infrastructure for building production-grade models | keywords 66%; semantic match | [.md](https://openaitools.app/tool/super-annotate.md) | | 2 | [LightPDF](https://openaitools.app/tool/lightpdf-com) | 1,742,568 | -15.3% | Freemium | Free AI-powered PDF editor, converter and reader for every device | keywords 100% | [.md](https://openaitools.app/tool/lightpdf-com.md) | | 3 | [Appen](https://openaitools.app/tool/appen-com) | 665,840 | +0.2% | Contact for Pricing | Human-validated training data and evaluation services for frontier AI models | keywords 66% | [.md](https://openaitools.app/tool/appen-com.md) | | 4 | [FileConcat](https://openaitools.app/tool/file-concat-tool-prepare-files-for-ai) | 8,777 | +36.6% | Free | Combine any files into one AI-ready bundle, right in your browser | category: ai-files; semantic match | [.md](https://openaitools.app/tool/file-concat-tool-prepare-files-for-ai.md) | | 5 | [Label Studio](https://openaitools.app/tool/label-studio) | 137,199 | -16.1% | Contact for Pricing, Free | Label any data. Evaluate any AI. | keywords 66%; semantic match | [.md](https://openaitools.app/tool/label-studio.md) | | 6 | [clickworker](https://openaitools.app/tool/clickworker-com) | 1,861,149 | +0.5% | Contact for Pricing | Crowdsourcing data services for AI training and market data | keywords 66% | [.md](https://openaitools.app/tool/clickworker-com.md) | | 7 | [Roboflow](https://openaitools.app/tool/roboflow) | 1,431,204 | +6.6% | Freemium, Contact for Pricing | Build, train, and deploy computer vision for the physical world | keywords 66% | [.md](https://openaitools.app/tool/roboflow.md) | | 8 | [AGENTS.md](https://openaitools.app/tool/agents-md) | 245,457 | +5.7% | Free | An open Markdown convention for telling coding agents how your project works | semantic match | [.md](https://openaitools.app/tool/agents-md.md) | | 9 | [Voxel51](https://openaitools.app/tool/voxel51-com) | 117,715 | -8.2% | Contact for Pricing | Find where your physical AI models fail, then fix the data. | keywords 66% | [.md](https://openaitools.app/tool/voxel51-com.md) | | 10 | [Encord](https://openaitools.app/tool/encord-com) | 244,204 | +9.4% | Contact for Pricing | The multimodal data layer for computer vision and physical AI teams | keywords 66% | [.md](https://openaitools.app/tool/encord-com.md) | | 11 | [Mesa](https://openaitools.app/tool/mesa-dev) | 6,563 | +48.4% | Freemium | The versioned filesystem built for AI agents | category: ai-files; semantic match | [.md](https://openaitools.app/tool/mesa-dev.md) | | 12 | [Ultralytics](https://openaitools.app/tool/ultralytics) | 793,423 | +8.7% | Freemium | Real-time vision AI models and a full platform to train, annotate, and deploy them | keywords 66% | [.md](https://openaitools.app/tool/ultralytics.md) | | 13 | [Ninja AI](https://openaitools.app/tool/ninja-ai) | 97,517 | -25.6% | Freemium | One AI agent that researches, writes, codes, and creates images | category: ai-files | [.md](https://openaitools.app/tool/ninja-ai.md) | | 14 | [Labelbox](https://openaitools.app/tool/labelbox) | 762,803 | -22.8% | Contact for Pricing | The environments frontier AI trains on, and the agents that do the recurring work | keywords 66% | [.md](https://openaitools.app/tool/labelbox.md) | | 15 | [Linnk.AI](https://openaitools.app/tool/linnk-ai) | 451,514 | +12.4% | Freemium | Translate, summarize, and understand documents in 154 languages without losing the layout | semantic match | [.md](https://openaitools.app/tool/linnk-ai.md) | | 16 | [Unitlab](https://openaitools.app/tool/unitlab-ai) | 3,903 | -36.4% | Freemium, Contact for Pricing | Curate, annotate and QA multimodal training data in one governed workspace | keywords 66%; semantic match | [.md](https://openaitools.app/tool/unitlab-ai.md) | | 17 | [Poly](https://openaitools.app/tool/poly) | 724 | -71.5% | Contact for Pricing | A file browser that understands your files down to the pixel | category: ai-files; semantic match | [.md](https://openaitools.app/tool/poly.md) | | 18 | [FlyPix AI](https://openaitools.app/tool/flypix) | 86,419 | +14.6% | Freemium, Free Trial, Paid | AI agents that detect, monitor and inspect anything you can see from the sky | keywords 66% | [.md](https://openaitools.app/tool/flypix.md) | | 19 | [Neurooo](https://openaitools.app/tool/neurooo) | 34,278 | -0.2% | Freemium, Free | AI translation companion for text, files and apps, in 100+ languages | semantic match | [.md](https://openaitools.app/tool/neurooo.md) | | 20 | [BasicAI Cloud](https://openaitools.app/tool/basicai-cloud) | 21,670 | -13.1% | Freemium, Enterprise Quote | AI data annotation platform and managed labeling services for AI training data | keywords 66% | [.md](https://openaitools.app/tool/basicai-cloud.md) | | 21 | [Datature](https://openaitools.app/tool/datature) | 24,530 | -23.2% | Freemium, Paid, Contact for Pricing | The all-in-one computer vision platform for labeling, training and deploying vision AI | keywords 66% | [.md](https://openaitools.app/tool/datature.md) | | 22 | [V7 Go](https://openaitools.app/tool/v7-lab) | 116,919 | -11.6% | Free Trial, Contact for Pricing | AI workflow platform for document-heavy back-office operations | keywords 66% | [.md](https://openaitools.app/tool/v7-lab.md) | | 23 | [Markup: Document Annotation](https://openaitools.app/tool/markup-document-annotation) | 263 | -17.8% | Free | Turn free text into structured, model-ready data with AI-assisted annotation. | keywords 66%; semantic match | [.md](https://openaitools.app/tool/markup-document-annotation.md) | | 24 | [JS2TS](https://openaitools.app/tool/js2ts) | 21,001 | -21% | Free | Free AI converter that turns plain JavaScript into fully typed TypeScript | keywords 66% | [.md](https://openaitools.app/tool/js2ts.md) | Page 1 of 4 · [Next page →](https://openaitools.app/index.md?q=File+annotation&group=coding-development&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=File%20annotation More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)