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ButterShare vs Konvizi

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ButterShare compared with Konvizi
DetailButterShare logo ButterShareKonvizi logo Konvizi
What it doesSend files directly between devices with encrypted WebRTC, no account and no cloud file storage Free file converter that processes files entirely in your browser without uploading them
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Direct device-to-device file streaming with no cloud storage
  • No file size limits for transfers
  • End-to-end encryption with cryptographic keys
  • No account or signup required
  • Works on all modern browsers and devices
  • QR code and room code sharing options
  • Native disk streaming for large files
  • Folder structure preservation during transfer
  • Supports up to 10,000 files per session
  • Resumable transfers with checkpoint data
  • Image conversion (HEIC, JPG, PNG, WebP, AVIF, SVG, GIF, ICO)
  • PDF tools (merge, split, compress, sign, protect, OCR)
  • Word and text conversion
  • Excel, CSV and JSON conversion
  • Audio conversion (MP3, WAV, M4A)
  • Works on computer, iPhone, iPad and Android
  • No watermark
  • No maximum file limit
  • Instant processing without queue
What makes it different
  • No cloud server storage intermediary for maximum privacy
  • Zero-knowledge architecture with ephemeral session keys
  • Unlimited file sizes with no subscription fees
  • Instant sharing without email verification or login
  • Transfer speeds at local gigabit rates on same network
  • 100% local processing in browser - files never uploaded to servers
  • Privacy verified through browser developer tools and Content-Security-Policy
  • No account, no tracking, no analytics, no advertising
  • Uses well-known open-source libraries for reliability
  • 63 free tools with no sign-up required
Community votes00
DR (Domain Rating by Ahrefs)29 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)300
Referring domains (Majestic)600

4 details filled in for both companies.

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