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FileSeen vs 100KB Developer

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

FileSeen compared with 100KB Developer
DetailFileSeen logo FileSeen100KB Developer logo 100KB Developer
What it doesSecure document sharing with read tracking Client-side WebAssembly SDK for compressing images and PDFs in the browser before upload
StageNot given Not given
FoundedNot given Not given
Based inIN IN
Pricing modelNot given Not given
PricingFree plan with every feature on 3 links. Pro: $12 a month or $99 a year (saves 31% yearly). Team: $29 a month for 3 people, $9 a month for each extra person up to 10 (saves 20% yearly). Developer Free: $0/forever with unlimited client-side WASM engine, zero-config, target KB file bisection, and default "Powered by 100KB" backlink. Commercial License: $19/month (or $149/year, save 35%) for 100% unbranded license, automated domain whitelist lock, and high-precision biometric passport
Key features
  • Real-time read tracking showing opens, countries, and total reading time
  • Time tracking on each page or slide per visit
  • Reader identification with email confirmation
  • Email watermarking on PDFs
  • Password protection and expiry dates
  • Up to 400 files in one data room link
  • Personalized links for each recipient
  • Custom domain and branding for Pro plan
  • Team collaboration with access controls
  • Email alerts on opens with customizable frequency
  • Target KB bisection - compresses files to exact size caps (50KB, 100KB, 200KB)
  • Vector-preserving PDF compression - shrinks PDF streams while preserving text and fonts
  • ICAO biometric passport photo cropping - 70% head ratio for visa compliance
  • AI background removal - neural network-based transparent PNG cutouts
  • Signature contrast sharpening - cleans signatures under 20KB
  • Parallel batch processing - processes 100+ files concurrently without UI freezing
  • AWS S3 and Cloudflare R2 integration - 1-line wrapper for cloud storage uploads
  • Format conversion - HEIC to JPG, PNG to JPG, JPG to PNG, image to PDF
  • PDF manipulation - merge, split, convert PDF to Word
  • Stamp and watermark removal - removes scanner artifacts and digital stamps
What makes it different
  • No setup or installation required; works in any browser
  • Free plan includes every feature on 3 links with no time limit
  • Recipients never need an account or to pay
  • Slide-by-slide reading time tracking for pitch decks
  • Simple one-time email code signup, no password required
  • 0ms cloud latency - all processing happens locally in browser RAM with no server involved
  • Reduces AWS S3 bills by 85% - shrinks 15MB uploads to 100KB before upload
  • Unified SDK replacing 5 open-source packages - single solution for PDF, image, and AI tools
  • 18+ media and document engines included - comprehensive toolkit from compression to biometrics
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check1 no change since last check
Trust Flow (Majestic)02
Citation Flow (Majestic)021
Referring domains (Majestic)028

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