JustPDF vs Shiru Notes
Side-by-side comparison to help you choose the right product.
JustPDF is a privacy-first PDF toolkit with 17 free tools including merge, split, compress, convert, sign, and OCR.
Shiru Notes
Shiru Notes is a minimalist, secure note-taking app that keeps your thoughts private and effortlessly organized.
Last updated: February 25, 2026
Visual Comparison
JustPDF

Shiru Notes

Overview
About JustPDF
JustPDF provides 17 professional-grade PDF tools that process files entirely in the user's browser. Unlike Smallpdf, iLovePDF, and other online PDF tools that upload files to remote servers, JustPDF uses JavaScript and WebAssembly to handle everything locally on the device. Files never leave the browser — verifiable by checking the Network tab in DevTools. Tools include: Merge PDF, Split PDF, Compress PDF, Rotate PDF, Flatten PDF, Unlock PDF, PDF to Word, Word to PDF, PDF to JPG, JPG to PDF, PDF to Excel, WebP to PDF, HEIC to PDF, PDF to Grayscale, Sign PDF, Chat with PDF (AI), and OCR/Scan. No account needed for the free tier (3 ops/day). Pro starts at $4/month for unlimited access. FERPA-compliant for educational use.
About Shiru Notes
Shiru Notes is an innovative note-taking application designed to provide a simple, private, and distraction-free environment for capturing thoughts and ideas. It caters to anyone who values their privacy and seeks a dependable space for reflection, creativity, and organization. The platform emphasizes a minimalistic design that allows users to focus solely on their writing without the interference of metrics or social pressures that often accompany modern digital tools. Shiru Notes ensures that your notes are automatically saved as you type, are encrypted with 256-bit security, and remain accessible only to you, guaranteeing confidentiality and peace of mind. In a time when our personal thoughts are frequently commodified, Shiru Notes stands as a sanctuary for genuine expression, making it an indispensable tool for students, professionals, writers, and anyone looking to embrace the art of private note-taking.