JustPDF vs LuxSign

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.

LuxSign simplifies secure document signing with legally valid electronic signatures compliant across the EU.

Last updated: February 25, 2026

Visual Comparison

JustPDF

JustPDF screenshot

LuxSign

LuxSign screenshot

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 LuxSign

LuxSign is a premier electronic signature platform designed specifically for businesses that prioritize security and compliance. Built in Luxembourg, it offers a cloud-based solution that ensures all documents are encrypted end-to-end and stored exclusively within the country's borders, guaranteeing full compliance with GDPR regulations. LuxSign supports the eIDAS SES standards, providing legal validity for contracts across the European Union. Its user-friendly interface includes features such as drag-and-drop signature field placement, automated email notifications, and versatile signing workflows, allowing users to choose between parallel or sequential signing. With advanced tiers that include document templates, audit trails, bulk signing capabilities, and a comprehensive REST API for system integrations, LuxSign is tailored for businesses of all sizes seeking a reliable and efficient way to manage electronic signatures.

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