# AI tools for “Audio Annotation” 439 matching tools; showing 24, ranked by relevance. | # | 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 100%; semantic match | [.md](https://openaitools.app/tool/super-annotate.md) | | 2 | [Label Studio](https://openaitools.app/tool/label-studio) | 137,199 | -16.1% | Contact for Pricing, Free | Label any data. Evaluate any AI. | keywords 100%; semantic match | [.md](https://openaitools.app/tool/label-studio.md) | | 3 | [KROCK.IO](https://openaitools.app/tool/krock-io) | 133,777 | +9.9% | Freemium, Free Trial, Paid | Frame-accurate video review and approval for creative teams | keywords 100%; semantic match | [.md](https://openaitools.app/tool/krock-io.md) | | 4 | [TurboScribe](https://openaitools.app/tool/turboscribe-ai) | 27,661,771 | +2.1% | Freemium | Unlimited AI transcription of audio and video in 98+ languages | semantic match | [.md](https://openaitools.app/tool/turboscribe-ai.md) | | 5 | [Defined.ai](https://openaitools.app/tool/definedcrowd-com) | 146,251 | -21% | Contact for Pricing | Enterprise AI training data, annotation and evaluation services | keywords 100%; semantic match | [.md](https://openaitools.app/tool/definedcrowd-com.md) | | 6 | [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 68%; semantic match | [.md](https://openaitools.app/tool/appen-com.md) | | 7 | [Adobe Podcast](https://openaitools.app/tool/adobe-podcast) | 10,862,761 | -1.2% | Freemium | Studio-quality spoken audio recording and cleanup in your browser | semantic match | [.md](https://openaitools.app/tool/adobe-podcast.md) | | 8 | [ElevenLabs](https://openaitools.app/tool/elevenlabs-io) | 42,396,771 | +26.1% | Freemium, Paid, Contact for Pricing | AI audio platform for speech, agents, music and dubbing | semantic match | [.md](https://openaitools.app/tool/elevenlabs-io.md) | | 9 | [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 68%; semantic match | [.md](https://openaitools.app/tool/clickworker-com.md) | | 10 | [Innovatiana](https://openaitools.app/tool/innovatiana) | 45,756 | +14.9% | Contact for Pricing | Innovatiana provides managed human data operations for AI — expert data labeling, annotation, RLHF and content moderation delivered by in-house trained specialists across computer vision, NLP, generative AI, audio and mu | keywords 100%; semantic match | [.md](https://openaitools.app/tool/innovatiana.md) | | 11 | [Transcript LOL](https://openaitools.app/tool/transcript-lol) | 916,431 | -21% | Paid | Fast AI transcription with speaker labels and built-in content analysis | semantic match | [.md](https://openaitools.app/tool/transcript-lol.md) | | 12 | [Clideo](https://openaitools.app/tool/clideo) | 11,605,001 | +4.6% | Freemium | Browser-based video, audio and GIF editing without installs | semantic match | [.md](https://openaitools.app/tool/clideo.md) | | 13 | [AI Data Collection Company (GTS)](https://openaitools.app/tool/ai-data-collection-company) | 13,006 | -17.5% | Contact for Pricing | Human-in-the-loop data collection and annotation for AI and ML models | keywords 100%; semantic match | [.md](https://openaitools.app/tool/ai-data-collection-company.md) | | 14 | [Audio Transcriber AI](https://openaitools.app/tool/audio-transcriber-ai-transcribe-audio-to-text-free-no-sign-up) | 2,062,269 | +186.6% | Free | Free audio-to-text transcription in your browser — no sign-up, 120+ languages | semantic match | [.md](https://openaitools.app/tool/audio-transcriber-ai-transcribe-audio-to-text-free-no-sign-up.md) | | 15 | [Transcribe Audio to Text](https://openaitools.app/tool/transcribe-audio-to-text) | 1,631,811 | +27.3% | Freemium | Turn audio, video and YouTube links into accurate text in seconds | semantic match | [.md](https://openaitools.app/tool/transcribe-audio-to-text.md) | | 16 | [Happy Scribe](https://openaitools.app/tool/happyscribe-com) | 4,088,330 | +8% | Freemium, Free Trial, Paid | AI transcription and meeting notes in 150+ languages | semantic match | [.md](https://openaitools.app/tool/happyscribe-com.md) | | 17 | [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 100%; semantic match | [.md](https://openaitools.app/tool/basicai-cloud.md) | | 18 | [Online Audio Converter](https://openaitools.app/tool/online-audio-converter) | 3,447,395 | +2.5% | Freemium | Free browser-based audio converter that handles 300+ formats and rips audio from video | semantic match | [.md](https://openaitools.app/tool/online-audio-converter.md) | | 19 | [Rev](https://openaitools.app/tool/rev) | 1,524,237 | -12.9% | Contact for Pricing | AI and human transcription, captions and investigative case analysis in one platform | semantic match | [.md](https://openaitools.app/tool/rev.md) | | 20 | [Descript](https://openaitools.app/tool/descript) | 3,267,817 | +11.1% | Freemium, Paid | Edit video and podcasts by editing text | semantic match | [.md](https://openaitools.app/tool/descript.md) | | 21 | [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 68%; semantic match | [.md](https://openaitools.app/tool/encord-com.md) | | 22 | [EchoWave](https://openaitools.app/tool/echowave) | 1,484,509 | +63.2% | Freemium | Browser-based video and audio studio with AI captions, voices and visualizers | semantic match | [.md](https://openaitools.app/tool/echowave.md) | | 23 | [SyncSketch](https://openaitools.app/tool/syncsketch) | 1,284,451 | +17.3% | Free Trial, Paid | Frame-accurate video, 3D and image review that keeps creative teams in sync from one link. | keywords 100% | [.md](https://openaitools.app/tool/syncsketch.md) | | 24 | [Isahit](https://openaitools.app/tool/isahit) | 13,136 | +80.2% | Contact for Pricing | Ethical human-in-the-loop data labeling and AI validation | keywords 100%; semantic match | [.md](https://openaitools.app/tool/isahit.md) | Page 1 of 19 · [Next page →](https://openaitools.app/index.md?q=Audio+Annotation&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=Audio%20Annotation More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)