JustPDF vs Speak Tech English

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.

Speak Tech English is a specialized English learning platform designed exclusively for tech professionals. It moves beyond generic business English to focus on the specific language and communication challenges faced by software developers, engineers, data scientists, and other IT specialists. The core mission is to bridge the gap between technical skill and professional communication, empowering non-native speakers to confidently navigate global tech careers. Created by native English coaches who have firsthand experience working in tech, the courses are built around real-world scenarios like technical interviews, code reviews, daily Slack/Teams communication, and explaining complex system designs. Trusted by over 3,000 students from companies like Amazon, Revolut, and Mercado Libre, Speak Tech English offers targeted resources such as "English for Technical Interviews," "English for Programmers," and a CV Upgrade Kit. Their approach is practical and results-driven, promising visible progress and increased confidence in weeks, not months, by teaching the modern, daily English actually used in software teams around the world.