# AADDYY - AI Tools Marketplace

> AADDYY is an AI-powered tools marketplace offering 100+ AI tools with transparent pay-per-use pricing. No subscriptions required — pay only for what you use. Try tools at https://www.aaddyy.com

## Company Overview

AADDYY (pronounced "add-ee") is an all-in-one AI tools platform that democratizes access to cutting-edge artificial intelligence. We provide a curated marketplace of 100+ specialized AI tools across categories including content creation, design, beauty tech, education, and professional services.

**Key Value Proposition:**
- Pay-per-use pricing (no monthly subscriptions)
- 100+ AI tools in one platform
- Credit-based system with transparent costs
- Professional-grade AI outputs
- No technical expertise required

## Tool Categories

### Content Creation & Writing
- **AI Article Generator** (`/tools/ai-article-generator`): Create SEO-optimized articles, blog posts, and long-form content. Supports multiple tones, audiences, and article types.
- **AI Title Generator** (`/tools/ai-title-generator`): Generate compelling headlines and titles for articles, videos, and social media.
- **AI Email Writer** (`/tools/ai-email-writer`): Professional email composition for business, marketing, and personal use.
- **AI Essay Writer** (`/tools/ai-essay-writer`): Academic and professional essay creation with proper structure.
- **AI Caption Generator** (`/tools/ai-caption-generator`): Create engaging captions for social media posts.
- **AI Job Email Creator** (`/tools/ai-job-email-creator`): Professional job application emails.
- **AI Research Blog Writer** (`/tools/ai-research-blog-writer`): In-depth research-based blog articles.
- **AI Synonym Finder** (`/tools/ai-synonym-finder`): Find alternative words and improve writing variety.

### Social Media Content
- **AI Instagram Post Generator** (`/tools/ai-instagram-post-generator`): Create Instagram-ready posts with captions.
- **AI LinkedIn Post Generator** (`/tools/ai-linkedin-post-generator`): Professional LinkedIn content creation.
- **AI Thread Generator** (`/tools/ai-thread-generator`): Turn any article into a ready-to-post X (Twitter) thread, every tweet under 280 characters.
- **Link in Bio Maker** (`/profiles`): Build one shareable link-in-bio page for all your links — live preview, themes (dark/light/brand), avatar and cover, social icons, up to 20 links, AI bio enhancer, and a scannable QR code. The public page lives at `/profile/:slug`. Free to build and autosave; publish for 50¢ first time, 10¢ for later updates.

### Visual Design & Image Tools
- **AI Image Prompt Creator** (`/tools/ai-image-prompt-creator`): Analyze any image and generate ready-to-use prompts for Midjourney, DALL-E, and Stable Diffusion. Supports plain text and structured JSON output. Pay-per-use $0.15.
- **AI Image Generator** (`/tools/ai-image-generator`): Create unique images from text descriptions.
- **AI Video Generator** (`/tools/ai-video-generator`): Generate videos with AI.
- **AI Audio to Video** (`/tools/ai-audio-to-video`): Convert audio files to video content.
- **AI Seedance Video Generator** (`/tools/ai-seedance-video-generator`): Generate video from a text prompt plus optional reference images, video, and audio, with synchronized sound.
- **AI Jewelry Designer** (`/tools/ai-jewelry-designer`): Design custom jewelry pieces with AI.
- **AI Logo Creator** (`/tools/ai-logo-creator`): Generate professional logos for brands and businesses.
- **AI T-Shirt Designer** (`/tools/ai-tshirt-designer`): Create custom t-shirt designs.
- **AI Album Cover Generator** (`/tools/ai-album-cover-generator`): Design album artwork for musicians.
- **AI Headshot Generator** (`/tools/ai-headshot-generator`): Professional headshot photos.
- **AI Halloween Costume Generator** (`/tools/ai-halloween-costume-generator`): Creative Halloween costume ideas.
- **AI Product Photo Studio** (`/tools/ai-product-photo-studio`): Transform product images into professional e-commerce photos with 7 themes. Upload 1-4 images and generate studio-quality product photography.
- **AI Content Curator** (`/tools/ai-content-curator`): Transform raw text into beautifully structured documents with a WYSIWYG block editor, customizable themes, and one-click PDF export.
- **AI PDF Merge** (`/tools/ai-pdf-merge`): Combine 2–10 PDF files into a single merged PDF instantly. Supports files up to 20MB each with instant browser download. Completely free — no credits or subscription required.
- **AI Image to PDF** (`/tools/ai-image-to-pdf`): Convert 1–20 images (JPEG, PNG, WEBP, GIF, BMP, TIFF) into a single downloadable PDF. Drag-and-drop reordering supported. Completely free — no credits required.
- **AI Image Compressor** (`/tools/ai-image-compressor`): Reduce JPEG, PNG, WebP, and AVIF image file sizes by up to 80% with three quality presets (low, recommended, high). Shows before/after size comparison. Completely free — no credits required.
- **AI Background Remover** (`/tools/ai-background-remover`): Remove the background from any image and download a clean transparent PNG. Upload PNG, JPG, or WEBP up to 20MB — no manual masking. Pay-per-use $0.02.
- **AI Watermark Remover** (`/tools/ai-watermark-remover`): Remove text and semi-transparent watermarks from images instantly. Accepts any public image URL. Results in 10–30 seconds. Pay-per-use $0.20.
- **AI Upscale Image** (`/tools/ai-upscale-image`): Upscale and enhance images up to 4x using Topaz AI. Supports 10 models including Standard V2, High Fidelity V2, and generative Redefine. Face enhancement, denoising, and sharpening. Pay-per-use $0.12.
- **AI CV Resume Creator** (`/tools/ai-cv-resume-creator`): Build ATS-optimized resumes with 6 professional templates. Achievement-anchored bullet points, JD keyword tailoring, ATS keyword scoring, PDF and DOCX download. Pay-per-use $0.10.
- **AI Cover Letter Creator** (`/tools/ai-cover-letter-creator`): Generate personalized cover letters using your real achievement. AI fingerprint words stripped automatically. Download as .docx and .pdf. Pay-per-use.
- **AI Action Figure** (`/tools/ai-action-figure`): Transform any photo into a realistic action figure toy in blister pack packaging. 5 styles: Classic, Superhero, Barbie, LEGO, Vintage. Custom name and accessories. Pay-per-use.
- **AI Detector** (`/tools/ai-detector`): Detect AI-generated content using dual-signal analysis (Raidar + classifier). 4-tier classification, per-sentence breakdown, ESL Fairness Mode. Pay-per-use.
- **AI Paraphraser** (`/tools/ai-paraphraser`): Rewrite text in 8 modes — Word Changer, Fluency, Formal, Academic, Simple, Creative, Expand, Shorten. 18 languages. Track-changes diff shows exactly what changed. Pay-per-use.
- **AI Grammar Checker** (`/tools/ai-grammar-checker`): Fix grammar, spelling, punctuation, and style errors with GPT-4o. Track-changes diff view shows exactly what changed. Fix errors only or improve clarity mode. Pay-per-use.
- **AI Humanizer** (`/tools/ai-humanizer`): Transform AI-generated text into natural, human-sounding writing that bypasses AI detectors. 5 readability levels, 9 purposes, 3 strength levels. Pay-per-use.
- **AI Face Swapper** (`/tools/ai-face-swapper`): Swap faces between photos with AI. Upload a source face and a target body image to get a seamless, photorealistic face swap. Pay-per-use.
- **AI QR Code Generator** (`/tools/ai-qr-code-generator`): Generate customized QR codes from any URL or text. Custom colors, error correction levels, sizes up to 2048px, PNG and SVG output. Completely free — no credits required.
- **AI Ghibli Generator** (`/tools/ai-ghibli-generator`): Transform any photo into Studio Ghibli anime art style. Upload a selfie, pet photo, or landscape and get authentic Ghibli-style artwork with soft watercolor colors and dreamy atmospherics. Pay-per-use $0.07.
- **AI Nano Banana** (`/tools/ai-nano-banana`): Transform photos into nano banana style.
- **AI Nano Banana Creator** (`/tools/ai-nano-banana-2`): Generate stunning images from text prompts with advanced AI. Supports multiple aspect ratios, PNG/JPEG/WebP output, and up to 4 images per generation.

### Relationship & Fun Tools
- **AI Boyfriend Designer** (`/tools/ai-boyfriend-designer`): Create virtual boyfriend images.
- **AI Girlfriend Designer** (`/tools/ai-girlfriend-designer`): Create virtual girlfriend images.

### Education & Learning
- **AI Educational Clip Generator** (`/tools/ai-edu-clip-generator`): Turn any topic into an animated educational video with AI-generated narration and visuals. Choose 15–60 second durations and 6 aspect ratios. Pay-per-use from $0.60.
- **AI Math Solver** (`/tools/ai-math-solver`): Step-by-step math problem solutions.
- **AI Physics Solver** (`/tools/ai-physics-solver`): Physics problem explanations and solutions.

### SEO & Analysis
- **AI SEO Analyzer** (`/tools/ai-seo-analyzer`): Website SEO analysis and recommendations.
- **AI Keyword Researcher** (`/tools/ai-keyword-researcher`): Deep keyword and domain research with SEO insights, monetization strategies, and market analysis.

## Additional Tools (100+ Total)

Visit our complete tools directory at `/tools` for the full list including:
- Virtual try-on tools (hairstyles, makeup, glasses)
- Photo transformation tools (cartoon, Disney, Ghibli styles)
- Home design tools (kitchen, bathroom renovator)
- Professional services (diet planner, document creators)
- Quiz and flashcard makers
- And many more...

## Pricing Model

AADDYY uses a credit-based pay-per-use system:
- No monthly subscriptions
- Buy credits as needed ($5, $10, $20, $50 packs)
- Each tool has transparent per-use pricing
- Unused credits never expire
- First-time users get free trial credits

## Technology

- Built with Next.js 15 and React 19
- Uses multiple AI providers (OpenAI, Anthropic, custom models)
- Real-time processing with streaming responses
- Enterprise-grade security and privacy

## What AADDYY Does NOT Do

- We do not require monthly subscriptions or recurring payments
- We do not store, resell, or train on user-generated content
- We do not provide medical, legal, or financial advice (AI tools are informational only)
- We do not support bulk automated scraping without an API key
- We do not lock credits behind expiration dates — unused credits never expire

## Contact

- Website: https://www.aaddyy.com
- Support: https://www.aaddyy.com/help
- Contact form: https://www.aaddyy.com/contact
- Email: hello@aaddyy.com

## AI Discovery Files

- llms.txt: https://www.aaddyy.com/llms.txt
- llms-full.txt: https://www.aaddyy.com/llms-full.txt
- llm.txt: https://www.aaddyy.com/llm.txt
- llms.html: https://www.aaddyy.com/llms.html
- ai.txt: https://www.aaddyy.com/ai.txt
- ai.json: https://www.aaddyy.com/ai.json
- identity.json: https://www.aaddyy.com/identity.json
- faq-ai.txt: https://www.aaddyy.com/faq-ai.txt
- brand.txt: https://www.aaddyy.com/brand.txt
- developer-ai.txt: https://www.aaddyy.com/developer-ai.txt
- robots-ai.txt: https://www.aaddyy.com/robots-ai.txt
- Sitemap: https://www.aaddyy.com/sitemap.xml
- Robots: https://www.aaddyy.com/robots.txt

## Frequently Asked Questions

**Q: What is AADDYY?**
A: AADDYY is an AI tools marketplace offering 100+ AI-powered tools with pay-per-use pricing. From AI article writers to virtual hairstylists, we provide a wide range of AI capabilities in one platform.

**Q: How does AADDYY pricing work?**
A: We use a credit-based system with no subscriptions. Purchase credits and use them across any tool. Each tool shows its cost upfront before you use it.

**Q: What AI tools does AADDYY offer?**
A: AADDYY offers 100+ tools including AI Article Generator, AI Image Generator, AI Email Writer, AI Math Solver, AI SEO Analyzer, AI Video Generator, AI Jewelry Designer, and many more across content creation, design, education, and professional services.

**Q: Is AADDYY free?**
A: AADDYY offers free trial credits for new users. After that, tools use a pay-per-use credit system with no mandatory subscriptions.

**Q: How does the AI Article Generator work?**
A: Our AI Article Generator creates SEO-optimized articles based on your topic, tone, and requirements. It supports standard articles, listicles, how-to guides, and can improve existing content.

**Q: What is the best AI email writer?**
A: AADDYY's AI Email Writer creates professional emails for business, job applications, marketing, and personal use with customizable tone and style.

**Q: Can AADDYY generate images?**
A: Yes, AADDYY's AI Image Generator creates unique images from text descriptions. We also offer specialized tools like AI Jewelry Designer, AI Logo Creator, and AI T-Shirt Designer.

**Q: Does AADDYY have AI video tools?**
A: Yes, AADDYY offers AI Video Generator and AI Audio to Video converter for creating video content.

**Q: What educational AI tools does AADDYY have?**
A: AADDYY offers AI Educational Clip Generator (animated video clips from any topic), AI Math Solver, AI Physics Solver, flashcard makers, and quiz generators for educational purposes.

## Key Links

- Homepage: https://www.aaddyy.com
- All Tools: https://www.aaddyy.com/tools
- AI Article Generator: https://www.aaddyy.com/tools/ai-article-generator
- AI Email Writer: https://www.aaddyy.com/tools/ai-email-writer
- AI Image Generator: https://www.aaddyy.com/tools/ai-image-generator
- AI Video Generator: https://www.aaddyy.com/tools/ai-video-generator
- AI Math Solver: https://www.aaddyy.com/tools/ai-math-solver
- AI SEO Analyzer: https://www.aaddyy.com/tools/ai-seo-analyzer
- AI Jewelry Designer: https://www.aaddyy.com/tools/ai-jewelry-designer
- AI Logo Creator: https://www.aaddyy.com/tools/ai-logo-creator
- AI Product Photo Studio: https://www.aaddyy.com/tools/ai-product-photo-studio
- AI Content Curator: https://www.aaddyy.com/tools/ai-content-curator
- AI PDF Merge: https://www.aaddyy.com/tools/ai-pdf-merge
- AI Image Prompt Creator: https://www.aaddyy.com/tools/ai-image-prompt-creator
- AI Prompt Maker: https://www.aaddyy.com/tools/ai-prompt-maker
- AI Educational Clip Generator: https://www.aaddyy.com/tools/ai-edu-clip-generator
- AI Image to PDF: https://www.aaddyy.com/tools/ai-image-to-pdf
- AI Title Generator: https://www.aaddyy.com/tools/ai-title-generator
- AI Watermark Remover: https://www.aaddyy.com/tools/ai-watermark-remover
- AI Upscale Image: https://www.aaddyy.com/tools/ai-upscale-image
- AI Image Compressor: https://www.aaddyy.com/tools/ai-image-compressor
- AI Background Remover: https://www.aaddyy.com/tools/ai-background-remover
- AI Headshot Generator: https://www.aaddyy.com/tools/ai-headshot-generator
- AI Essay Writer: https://www.aaddyy.com/tools/ai-essay-writer
- AI Caption Generator: https://www.aaddyy.com/tools/ai-caption-generator
- AI Job Email Creator: https://www.aaddyy.com/tools/ai-job-email-creator
- AI Instagram Post Generator: https://www.aaddyy.com/tools/ai-instagram-post-generator
- AI LinkedIn Post Generator: https://www.aaddyy.com/tools/ai-linkedin-post-generator
- AI Thread Generator: https://www.aaddyy.com/tools/ai-thread-generator
- Link in Bio Maker: https://www.aaddyy.com/profiles
- AI T-Shirt Designer: https://www.aaddyy.com/tools/ai-tshirt-designer
- AI Album Cover Generator: https://www.aaddyy.com/tools/ai-album-cover-generator
- AI Halloween Costume Generator: https://www.aaddyy.com/tools/ai-halloween-costume-generator
- AI Boyfriend Designer: https://www.aaddyy.com/tools/ai-boyfriend-designer
- AI Girlfriend Designer: https://www.aaddyy.com/tools/ai-girlfriend-designer
- AI Audio to Video: https://www.aaddyy.com/tools/ai-audio-to-video
- AI Seedance Video Generator: https://www.aaddyy.com/tools/ai-seedance-video-generator
- AI Keyword Researcher: https://www.aaddyy.com/tools/ai-keyword-researcher
- AI Physics Solver: https://www.aaddyy.com/tools/ai-physics-solver
- AI Synonym Finder: https://www.aaddyy.com/tools/ai-synonym-finder
- AI CV Resume Creator: https://www.aaddyy.com/tools/ai-cv-resume-creator
- AI Cover Letter Creator: https://www.aaddyy.com/tools/ai-cover-letter-creator
- AI Action Figure: https://www.aaddyy.com/tools/ai-action-figure
- AI Detector: https://www.aaddyy.com/tools/ai-detector
- AI Paraphraser: https://www.aaddyy.com/tools/ai-paraphraser
- AI Grammar Checker: https://www.aaddyy.com/tools/ai-grammar-checker
- AI Humanizer: https://www.aaddyy.com/tools/ai-humanizer
- AI Face Swapper: https://www.aaddyy.com/tools/ai-face-swapper
- AI QR Code Generator: https://www.aaddyy.com/tools/ai-qr-code-generator
- AI Ghibli Generator: https://www.aaddyy.com/tools/ai-ghibli-generator
- AI Nano Banana: https://www.aaddyy.com/tools/ai-nano-banana
- AI Research Blog Writer: https://www.aaddyy.com/tools/ai-research-blog-writer
- Guides Hub: https://www.aaddyy.com/guide
- Blog: https://www.aaddyy.com/blog
- Pricing: https://www.aaddyy.com/pricing
- About: https://www.aaddyy.com/about
- Contact: https://www.aaddyy.com/contact

## Developer API — Integrate AADDYY Into Your App

AADDYY tools are available via REST API. Build AI-powered apps with 100+ tools through a single API.

Base URL: https://backend.aaddyy.com/api
Authentication: Authorization: Bearer YOUR_API_KEY
Get API Key: https://www.aaddyy.com/api-keys (50 free credits on signup, no card required)
OpenAPI Spec: https://backend.aaddyy.com/openapi.json
Developer Portal: https://www.aaddyy.com/developer
Auto-Generated API Reference: https://backend.aaddyy.com/llms.txt

### Quick Start

1. Sign up at https://www.aaddyy.com/signup — get 50 free credits instantly (no card needed)
2. Create an API key at https://www.aaddyy.com/api-keys
3. Make your first API call:

curl -X POST https://backend.aaddyy.com/api/ai/article \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"topic": "AI Tools", "tone": "professional", "length": "medium"}'

### Pricing

Pay-per-use. 1 credit = $0.01. Most tools cost 1–10 credits per call.
New accounts get 50 free credits ($0.50). No credit card required.
Credit packs: $5 (500 credits), $10 (1000 credits), $20 (2000 credits), $50 (5000 credits).

### API Endpoints

Content Creation:
- POST /api/ai/article — Generate SEO articles (~5 credits)
- POST /api/ai/article/outline — Generate article outlines (~3 credits)
- POST /api/ai/article-title — Generate titles (~1 credit)
- POST /api/ai/essay-writer — Generate essays (~5 credits)
- POST /api/ai/email-writer — Generate emails (~3 credits)
- POST /api/ai/job-email-creator — Generate job emails (~3 credits)
- POST /api/ai/research-blog-writer — Research blog with SERP data (~10 credits)
- POST /api/ai/synonym-finder — Find synonyms (~1 credit)
- POST /api/ai/caption-generator — Social media captions (~1 credit)

Social Media:
- POST /api/ai/instagram-post-generator — Instagram posts (async V2, ~5 credits)
- POST /api/ai/linkedin-post-generator — LinkedIn posts (async V2, ~5 credits)
- POST /api/ai/thread-generator — X (Twitter) threads from an article (async V2, ~5 credits)

Image & Design:
- POST /api/ai/image-generation — Generate images (~4 credits)
- POST /api/ai/logo-creator — Generate logos (~4 credits)
- POST /api/ai/headshot-generator — AI headshots (~8 credits)
- POST /api/ai/album-cover-generator — Album covers (~5 credits)
- POST /api/ai/t-shirt-designer — T-shirt designs (~5 credits)
- POST /api/ai/jewelry-designer — Jewelry designs (~5 credits)
- POST /api/ai/product-photo-studio — Product photos (async V2, ~8 credits)
- POST /api/ai/cv-resume-creator — Generate ATS-optimized resume with templates, PDF and DOCX (~10 credits)
- POST /api/ai/cover-letter-creator — Generate cover letter (~5 credits)
- POST /api/ai/action-figure — Transform photo into action figure toy (~7 credits)
- POST /api/ai/ai-detector — Detect AI-generated content (~5 credits)
- POST /api/ai/paraphraser — Paraphrase text in 8 modes (~1 credit)
- POST /api/ai/grammar-checker — Check and fix grammar (~1 credit)
- POST /api/ai/humanizer — Humanize AI text (~1 credit)
- POST /api/ai/face-swapper — Face swap between photos (async V2, ~7 credits)
- POST /api/ai/ghibli-generator — Ghibli style transformation (async V2, ~7 credits)
- POST /api/ai/nano-banana — Image editing (~4 credits)
- POST /api/ai/upscale-image — Upscale images (async V2, ~12 credits)
- POST /api/ai/watermark-remover — Remove watermarks (async V2, ~20 credits)
- POST /api/v2/ai/background-remover — Remove image backgrounds, multipart field `image` → transparent PNG (async V2, ~2 credits)
- POST /api/ai/image-prompt-creator — Analyze images for prompts (async V2, ~15 credits)
- POST /api/ai/prompt-maker — AI prompt maker (async V2, ~3 credits)

Video:
- POST /api/ai/video-generation — Generate videos (~50 credits)
- POST /api/ai/audio-to-video — Audio to video (async V2, ~50 credits)
- POST /api/v2/ai/seedance-video-generator — 3-mode video with synced audio: text-to-video, image-to-video, reference-to-video (async V2; requires `mode` + `prompt`; priced per second × resolution × mode)
- POST /api/ai/edu-clip-generator — Educational clips (async V2, ~60 credits)

Education:
- POST /api/ai/math-solver — Solve math problems step-by-step (~1 credit)
- POST /api/ai/physics-solver — Solve physics problems (~1 credit)

SEO & Analysis:
- POST /api/ai/seo-analysis — Full SEO audit (~10 credits)
- POST /api/ai/seo-analysis/backlinks — Backlink analysis (~10 credits)
- POST /api/ai/keyword-researcher — Keyword research (~5 credits)

Content Management:
- POST /api/ai/content-curator — Curate and structure content (async V2, ~5 credits)

Profiles / Link in Bio (REST API — NOT the /api/ai/* pattern):
- POST /api/profiles — Create a profile draft (free). Body: slug (permanent), displayName?, bio?, theme?
- GET /api/profiles — List your profiles (+ counts)
- GET /api/profiles/check-slug?slug= — Slug availability (always 200)
- PATCH /api/profiles/:id/draft — Autosave draft edits (free)
- POST /api/profiles/:id/publish — Publish the page (50¢ first time, 10¢ after; verified email)
- POST /api/profiles/:id/pause | /api/profiles/:id/resume — Toggle public visibility (free)
- POST /api/profiles/:id/images/:kind — Upload avatar|background (multipart, ≤4MB)
- POST /api/profiles/:id/links/:linkId/thumbnail — Upload a link thumbnail
- POST /api/profiles/enhance-description — AI-enhance bio/link text
- DELETE /api/profiles/:id — Delete a profile
- Public (no auth, NOT under /api): GET /profile/:slug (published JSON, 404 if not live), GET /profile/:slug/qr (QR image). ⚠️ Frontend maker page is /profiles; public page is /profile/:slug — there is no /tools/link-in-bio page.

Free Tools (no credits needed):
- POST /api/ai/image-compressor — Compress images
- POST /api/ai/image-to-pdf — Convert images to PDF
- POST /api/v2/ai/pdf-merge — Merge PDFs (async V2)

Full tool list: GET https://backend.aaddyy.com/api/documentation/tools

### Async Tools (V2)

Some tools (video, image editing, upscaling) use async processing:
1. POST /api/v2/ai/{tool-name} → returns { jobId, pollUrl }
2. GET /api/v2/ai/jobs/{jobId} → poll until status is "completed" or "failed"

### Rate Limits

Default per API key: 60 requests/minute, 1000/hour, 10000/day.
Response headers: X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset.

### NPM SDK
npm install aaddyy
https://www.npmjs.com/package/aaddyy

### MCP Server for Cursor / Claude Code
npx @aaddyy/mcp-server
https://www.npmjs.com/package/@aaddyy/mcp-server

## Last Updated
2026-06-06