Skip to main content

ConvertPDF 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.

ConvertPDF compared with 100KB Developer
DetailConvertPDF logo ConvertPDF100KB Developer logo 100KB Developer
What it doesMerge, split, compress, convert and sign PDFs online, free and without an account Client-side WebAssembly SDK for compressing images and PDFs in the browser before upload
StageNot given Not given
FoundedNot given Not given
Based inSI IN
Pricing modelNot given Not given
PricingNot given 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 featuresNot given
  • 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 account or sign-up required
  • Runs on company's own servers, not third-party APIs
  • Integrates with ChatGPT and Claude
  • EU-based servers with privacy-first approach
  • 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)35 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)102
Citation Flow (Majestic)2421
Referring domains (Majestic)2128

3 details filled in for both companies.

More alternatives to ConvertPDF More alternatives to 100KB Developer

Help centre