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100KB Developer vs ThriftyPDF

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

100KB Developer compared with ThriftyPDF
Detail100KB Developer logo 100KB Developer ThriftyPDF
What it doesClient-side WebAssembly SDK for compressing images and PDFs in the browser before upload PDF tools without the PDF-tool price
StageNot given Not given
FoundedNot given Not given
Based inIN US
Pricing modelNot given Freemium
PricingDeveloper 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 7-day trial (card required), then $2.99/mo or $19/yr, or $1.49 24-hour pass
Key features
  • 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
  • Compress PDFs
  • Merge PDFs
  • Split PDFs
  • Organize PDF pages
  • Convert JPG to PDF
  • Convert PDF to JPG
  • Unlock password-protected PDFs
  • Repair damaged PDFs
  • Up to 200 MB file size with active plan
  • Batch processing
What makes it different
  • 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
  • Files stay on your device, not uploaded to servers
  • Runs entirely in your browser
  • Cancel anytime without commitment
  • No file upload required for privacy
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)210
Referring domains (Majestic)280

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