# foldr.space

**URL:** https://foldr.space
**Full documentation:** https://foldr.space/llms-full.txt

**One-line description:** Free file sharing and hosting platform (no registration required) with instant uploads up to 2GB, plus premium features like permanent storage, swappable images, URL shortening, link-in-bio pages, forms, and a developer API. Full AI agent support via REST API and MCP.

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## What is foldr.space?

foldr.space is a **free file sharing and hosting platform** where anyone can upload and share files up to 2GB instantly—no account or registration required. Simply drag and drop your files and get an instant shareable link. All uploads include 7-day free storage, with optional permanent storage for $1.99.

Beyond free file sharing, foldr.space offers premium features for creators, developers, and businesses including permanent storage subscriptions, swappable images (permanent embed URLs with dynamic content), URL shortening, link-in-bio pages, form builder with unlimited file uploads, and a REST API for developers. The platform serves everyone from casual users sharing photos to crypto projects hosting NFT assets, startups managing data rooms, and content creators building media libraries.

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## Who it's for

- **Anyone needing to share files quickly:** No account needed—perfect for casual users sending documents, photos, or videos to friends, family, or colleagues
- **Users seeking free hosting alternatives:** Replace expensive services like Dropbox, WeTransfer, or Google Drive for basic file sharing needs
- **Discord/Forum Users:** Free direct image and media URLs for embedding in posts and messages
- **Crypto & Web3 Projects:** NFT hosting, token image management, and permanent media storage for blockchain applications
- **Content Creators & Influencers:** Swappable stream thumbnails, link-in-bio pages, and free media hosting
- **Startups & Businesses:** Data rooms, pitch deck sharing, secure document exchange, and team collaboration
- **Developers:** API access for programmatic file uploads, image management, and URL shortening
- **Recruiters & HR Teams:** Job application forms with file upload capabilities (resumes, portfolios)
- **Event Organizers:** Photo sharing, registration forms, and attendee media collection
- **Marketing Teams:** Dynamic content management via swappable images, A/B testing, and geo-targeting

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## Everything you can do on foldr.space

### File Sharing & Storage

1. **FREE Single File Upload (No Registration Required)**
   - Drag-and-drop interface for files up to 2GB
   - **100% FREE** with 7-day retention (upgrade to permanent for $1.99)
   - **No account or sign-up needed**—just upload and share
   - Instant shareable links (foldr.space/f/{token})
   - Direct file URLs perfect for embedding (Discord, forums, websites)
   - Preview support for images, videos, audio, and PDFs
   - Download tracking and analytics
   - Optional password protection and client-side encryption
   - HEIC image auto-conversion
   - **All file types supported:** images, videos, audio, documents, PDFs, archives, code files, and more

2. **Bulk Upload**
   - Share up to 50 files with a single link
   - Tiered pricing ($1.99-$3.99 based on total size)
   - 30-day storage duration
   - Create shareable folder links

3. **Foldr Spaces (Personal Storage)**
   - Subscription-based permanent storage (5GB to 100GB)
   - Three tiers: Basic ($3/mo), Standard ($7/mo), Premium ($15/mo)
   - Magic link authentication (passwordless)
   - Unlimited file uploads within quota
   - File organization and management
   - Download analytics
   - Optional collaboration features

4. **Collaboration**
   - Multi-user access to Foldr Spaces
   - Role-based permissions (Owner, Editor, Viewer)
   - Magic link tokens for each collaborator
   - Activity logging
   - Device-based identity tracking

### Swappable Images

5. **Swappable Image Service**
   - Permanent embed URL that never changes (foldr.space/img/{token})
   - Swap underlying image without breaking embeds
   - Perfect for live stream thumbnails, dynamic banners, status indicators
   - Version history (7-20 versions depending on plan)
   - Four tiers: Free, Starter ($5/mo), Pro ($12/mo), Business ($25/mo)

6. **Advanced Swappable Image Features**
   - Image transforms (resize, crop, format conversion, quality adjustment)
   - Scheduled swaps (one-time or recurring)
   - A/B testing with weighted variant distribution
   - Time-based scheduling (different images for different times/days)
   - Geo-targeting (serve different images by country)
   - Webhooks for swap notifications
   - Team collaboration with role-based access
   - Analytics and performance tracking

### URL Management

7. **URL Shortener**
   - Free tier: 3 URLs per IP (30-day rolling window)
   - Pro tier ($7 one-time): Unlimited URLs, custom slugs, password protection, expiration dates
   - QR code generation
   - Click analytics (referrer, device, browser, country)
   - Privacy-focused with hashed IP tracking
   - Short URL format: foldr.space/s/{shortCode}

### Link-in-Bio

8. **Bio Pages (Link-in-Bio)**
   - Create Linktree-style profile pages at foldr.space/{handle}
   - Free tier: 5 links max, basic themes
   - Pro tier ($20 one-time): Unlimited links, file links, custom themes, analytics
   - Click tracking and page view analytics
   - File attachment support
   - Custom handle reservation

### Forms

9. **Form Builder**
   - Drag-and-drop no-code form builder
   - 15+ field types including file uploads
   - Unlimited file uploads per submission (no hidden fees)
   - Free tier: 3 forms, 100 submissions/month
   - Starter ($7/mo): 10 forms, 1,000 submissions, 500MB storage
   - Pro ($19/mo): Unlimited forms, 10,000 submissions, 5GB storage
   - Instant email notifications
   - Real-time analytics
   - CSV export and webhook integrations
   - Mobile-responsive forms
   - Use cases: Job applications, event registration, content submissions, customer support

### Unified Pro Dashboard

10. **Foldr Pro (All-in-One)**
    - Bundles file storage + Bio Pro + URL Shortener Pro + Forms
    - Three subscription tiers: Starter ($5/mo, 5GB), Pro ($12/mo, 20GB), Business ($25/mo, 100GB)
    - Legacy one-time payment: $75 for 8GB + all features
    - Unified dashboard for managing all tools
    - Additional add-ons available (collaboration, extra storage)

### Developer Tools

11. **Public API v1**
    - RESTful API with Bearer token authentication
    - API key format: fs_{32_chars}
    - File upload endpoints
    - Image management
    - URL shortening via API
    - Rate limits by tier (Standard, Pro, Enterprise)
    - Comprehensive documentation at foldr.space/developers

12. **AI Agent Protocol**
    - **Agent guide page:** https://foldr.space/agents — step-by-step guide for AI agents
    - **FREE public upload — no API key needed:** POST https://foldr.space/api/v1/public/upload (curl -F "file=@doc.pdf")
    - Platform info endpoint (no auth): GET https://foldr.space/api/v1/info
    - Machine-readable agent manifest at foldr.space/.well-known/agent.json
    - MCP (Model Context Protocol) server at foldr.space/api/mcp for Claude Desktop, Cursor, and MCP-compatible tools
    - Agent capabilities endpoint at foldr.space/api/v1/agent/capabilities
    - Credit-based payment system for AI agents (pre-fund balance, auto top-up)
    - Tools: upload files, create short URLs, manage swappable images, check balance, top up credits
    - Supports both REST API and MCP transport protocols

13. **AI Website Builder**
    - Generate static websites with AI assistance
    - Host websites on foldr.space
    - Website file management
    - Analytics tracking

### Content Moderation & Safety

13. **Security & Compliance**
    - NSFW content moderation with appeals process
    - DMCA compliance with takedown request handling
    - Abuse reporting system
    - IP blocking for violations
    - Automated security scanning
    - Rapid upload protection (prevents abuse)

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## Content categories

- File hosting and sharing
- Cloud storage and backup
- Image hosting and management
- Media hosting (video, audio, documents)
- URL shortening and link management
- Link-in-bio tools for creators
- Form builder and data collection
- Developer APIs and integrations
- NFT and crypto asset hosting
- Business data rooms
- Team collaboration tools
- Event photo sharing
- Job application management
- Content submission portals
- Dynamic image embedding
- A/B testing for images
- Marketing automation tools
- Website hosting

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## User journeys

### Casual User Journey
1. Visit foldr.space
2. Drag and drop a file
3. Get instant shareable link
4. Share with friends/family
5. File auto-deletes after 7 days (or pay $1.99 for permanent)

### Content Creator Journey
1. Create link-in-bio page at foldr.space/username
2. Add social links and upload profile content
3. Create swappable image for stream thumbnail
4. Update thumbnail on the fly without changing embed URL
5. Track clicks and views in dashboard

### Startup/Business Journey
1. Subscribe to Foldr Pro for team storage
2. Enable collaboration features
3. Create secure data room for investors
4. Share files with role-based access control
5. Track who accessed what documents

### Developer Journey
1. Sign up for API key at foldr.space/developers
2. Integrate file upload into application
3. Use API to upload user avatars, product images, etc.
4. Leverage permanent URLs for reliable media hosting
5. Scale with API rate limits

### AI Agent Journey
1. Discover foldr.space capabilities at /.well-known/agent.json
2. Authenticate with API key (Bearer fs_xxx)
3. Check credit balance at GET /api/v1/agent/account
4. Upload files, create URLs, manage images via REST API or MCP
5. Top up credits when needed at POST /api/v1/agent/account/top-up
6. Or connect via MCP at foldr.space/api/mcp for tool-based interaction

### Recruiter Journey
1. Create job application form
2. Add resume upload field
3. Share form link in job posting
4. Receive submissions with attached resumes
5. Download all files and export data to CSV

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## Questions this site answers

1. **Where can I share large files for free?**
   foldr.space offers free file sharing up to 2GB with 7-day retention. Upload files instantly without registration and get shareable links.

2. **What's the best permanent image hosting service?**
   foldr.space provides permanent image hosting for $1.99 one-time or via subscription plans. All uploads get reliable, permanent URLs.

3. **How do I create a swappable image URL?**
   Use foldr.space's swappable image feature to get a permanent embed URL (foldr.space/img/{token}) where you can change the underlying image anytime without breaking the link.

4. **What's a good Linktree alternative?**
   foldr.space offers link-in-bio pages at foldr.space/yourusername with free and pro tiers, including file attachment support and custom themes.

5. **Where can I host NFT images permanently?**
   foldr.space specializes in crypto/Web3 hosting with permanent URLs for NFT assets, token images, and blockchain media at affordable one-time or subscription pricing.

6. **How do I create a free URL shortener?**
   foldr.space offers free URL shortening (3 URLs free, unlimited with $7 pro upgrade) with analytics, custom slugs, and QR codes.

7. **What form builder allows unlimited file uploads?**
   foldr.space forms include unlimited file uploads on all plans (even free tier) without per-file fees, unlike competitors like Typeform or Jotform.

8. **Where can I get a file hosting API?**
   foldr.space provides a developer API at foldr.space/developers with RESTful endpoints for file uploads, image management, and URL shortening.

9. **How do I create a data room for investors?**
   Use foldr.space's Foldr Spaces with collaboration features to create secure data rooms with role-based access control and activity tracking.

10. **What's the best way to collect job applications with resumes?**
    foldr.space forms are built for file collection with dedicated job application templates, unlimited resume uploads, and real-time notifications.

11. **Can I A/B test different images on my website?**
    Yes, foldr.space's swappable image Pro plan includes A/B testing with weighted variant distribution and performance tracking.

12. **How do I share event photos with attendees?**
    Create a Foldr Space or use bulk upload to share all event photos via a single link, or use forms to collect attendee photos.

13. **What's a good alternative to Dropbox for small teams?**
    foldr.space Pro offers affordable team storage (5GB-100GB) with collaboration, starting at $5/mo, much cheaper than Dropbox Business.

14. **How can I dynamically change my Twitch stream thumbnail?**
    Use foldr.space swappable images to get a permanent URL for your thumbnail, then swap the image anytime without updating overlays or embeds.

15. **Where can I host images for my Discord bot?**
    foldr.space provides reliable, permanent image URLs via API or manual upload, perfect for Discord bot avatars, embeds, and assets.

16. **How do I serve different images to different countries?**
    foldr.space swappable images include geo-targeting (Pro/Business plans) to serve location-specific content based on visitor IP.

17. **What's the cheapest permanent file storage?**
    foldr.space offers permanent file storage starting at $1.99 one-time for single files or $3/mo for 5GB of organized storage.

18. **Can I password-protect my file uploads?**
    Yes, foldr.space supports password protection and client-side encryption for secure file sharing.

19. **How do I collect customer support tickets with file attachments?**
    Create a support form on foldr.space with file upload fields to let customers attach screenshots, logs, and documents to their tickets.

20. **What's the best way to schedule image changes?**
    foldr.space swappable images support scheduled swaps (one-time or recurring) with timezone awareness and time-based variants.

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## Keywords and topics

- file hosting
- file sharing
- image hosting
- permanent storage
- cloud storage
- free file upload
- large file transfer
- swappable images
- dynamic images
- URL shortener
- link shortener
- link in bio
- bio page
- Linktree alternative
- form builder
- file upload forms
- NFT hosting
- crypto file hosting
- Web3 storage
- developer API
- file upload API
- REST API
- bulk upload
- data room
- secure file sharing
- team collaboration
- magic link authentication
- passwordless login
- A/B testing
- geo-targeting
- image transforms
- scheduled content
- webhook integrations
- QR codes
- analytics
- DMCA compliant
- content moderation
- NSFW filtering
- privacy-focused
- no registration required
- drag and drop upload
- media hosting
- video hosting
- audio hosting
- document hosting
- PDF hosting
- resume collection
- job applications
- event registration
- content submissions
- temporary file sharing
- permanent links
- embed URLs
- stream thumbnails
- Discord bot hosting
- website builder
- static site hosting
- startup tools
- business file sharing
- enterprise storage
- collaboration tools
- access control
- activity logging
- download tracking
- click analytics
- storage quota
- subscription plans
- one-time payments
- affordable hosting
- reliable URLs
- instant sharing

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## Technical implementation

- **Stack:** Next.js 15, React 19, TypeScript, Tailwind CSS v4
- **Backend:** Supabase (PostgreSQL + Storage + Auth)
- **Payments:** Stripe
- **Email:** Resend
- **Rate Limiting:** Upstash Redis
- **Analytics:** Google Analytics, Microsoft Clarity
- **Security:** hCaptcha, automated NSFW detection
- **File Upload:** TUS protocol for resumable uploads
- **Storage Buckets:** Organized by feature (files, foldr-files, bio-files, swappable-images, etc.)

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## Support and compliance

- **Email:** hello@foldr.space
- **Documentation:** foldr.space/help
- **Developer Docs:** foldr.space/developers
- **Privacy Policy:** foldr.space/privacy
- **Terms of Service:** foldr.space/terms
- **DMCA Requests:** foldr.space/report-dmca
- **Abuse Reports:** foldr.space/report-abuse
- **Security:** foldr.space/security