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TTSMaker logo
TTSMaker
✓ verifiedFreemium

Free multilingual online text-to-speech generator with a paid Pro tier for higher character limits and more voices.

1.7M visits/mo23K saves
PDF.ai logo
PDF.ai
✓ verifiedFreemium

Well-known chat-with-PDF tool for summarizing and extracting; strong traffic.

484K visits/mo2.7K saves
AI or Not logo
AI or Not
✓ verifiedFreemium

AI or Not detects AI-generated and deepfake images, video, audio and text via API with a claimed 98.9% accuracy.

240K visits/mo2.9K saves
qdrant.io logo
qdrant.io
✓ verifiedFreemium

High-performance open-source vector database for production AI retrieval and RAG, for teams needing scale, hybrid search, or self-hosting.

166K visits/mo
scenario.com logo
scenario.com
✓ verifiedFreemium

Creative AI infrastructure giving studios access to 500+ image, video, 3D, and audio models plus custom brand-trained models.

306K visits/mo
Pricing
Lite: $13.99/month (300,000 characters/month)
Pro Mini: $23.99/month (600,000 characters/month)
Hobby: $0
Pro: $10/mo
Ultimate: $20/user/mo
Enterprise: $30/user/mo
Free: $0 ($5 in credits, 1M words + 20 image checks)
Pro: $5/mo ($10 credits/mo)

No public pricing

No public pricing

Core features
  • 600+ AI voices across 100+ languages
  • Free weekly character quota with unlimited use on some voices
  • Pause insertion and speech pacing controls
  • Multi-voice dialogue editor (Pro)
  • MP3 download and audio history
  • Commercial usage rights for generated audio
  • API access on paid tiers
  • Chat with PDF documents
  • Summarize PDF content
  • Extract information from PDFs
  • Source citation for answers
  • OCR support
  • AI Agents for document analysis
  • Capture & Ask feature
  • Chatbot widget (add-on)
  • AI image, video, audio and text detection
  • Deepfake detection
  • Detection API with key included
  • Per-use credits across all modalities
  • Model-level breakdown of results
  • Enterprise/on-prem and reseller options
  • Hybrid dense and sparse vector search (BM25, SPLADE, miniCOIL)
  • Advanced metadata filtering applied during search traversal
  • Multivector support for multimodal retrieval
  • Reranking with score boosting and late-interaction models (ColBERT, MMR)
  • Flexible deployment: cloud, hybrid, private, or edge
  • Rust-based engine optimized for low-latency, high-scale search
  • Custom LoRA model training from 5-100 reference images
  • Access to 500+ models across 50+ providers
  • Visual workflow builder for multi-step generation pipelines
  • API-first and MCP-ready for agent integration
  • Batch generation at scale with reusable templates
  • One-click shareable apps built from workflows
  • SOC 2 Type II compliance and SSO
Use cases
  • Creating narration or voiceovers for videos
  • Making audiobooks or reading e-books aloud
  • Generating accessible audio versions of articles
  • Producing multi-speaker dialogue audio for content creators
  • Analyzing legal documents
  • Summarizing financial reports
  • Extracting key information from books
  • Reviewing scientific papers
  • Understanding user manuals
  • Creating employee training materials
  • Verify whether media is AI-generated
  • Screen content for deepfakes
  • Integrate AI detection into workflows via API
  • Building retrieval-augmented generation (RAG) pipelines
  • Powering AI recommendation and semantic search systems
  • Enterprises needing on-prem or hybrid deployment for compliance
  • AI agent platforms needing fast contextual retrieval at scale
  • Generating on-brand creative assets at scale
  • Building custom AI-powered creative workflows and apps
  • Comparing outputs across many AI models in one workspace
  • Automating batch content production for teams
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