Local OCR vs cloud OCR: which choice for your documents in 2026?
Two main OCR families exist: local browser processing and cloud AI processing. Understanding their differences is essential to choose the right solution for your documents.
IWELAH Blog: PDF, OCR and AI guides
Guides, comparisons and answers about PDFs, security and AI.
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Password-protecting a PDF: RC4 vs AES-128 encryption explained
Password protection is essential to share sensitive documents. But not all encryptions are equal. This guide reviews the real standards and best practices.
Complete guide: how to merge PDFs in 2026
Merging PDFs is one of the most common operations in a digital workflow. This guide explains all the methods, their advantages, limits and selection criteria.
How to merge PDFs in 2026: a complete guide
Merge several PDFs into a single file: local methods, benefits, and why an in-browser tool is often the best choice.
Password-protecting a PDF: what you need to know
PDF encryption explained simply: RC4 vs AES-128, rasterization, and password best practices.
OCR: extract text from a scanned PDF without uploading it
Tesseract.js enables OCR directly in the browser. Here is how it works and what it changes.
Summarizing a PDF with AI: a practical guide
How to get a structured, useful summary of a long PDF in seconds with GPT-4o-mini.
Converting Word to PDF without losing formatting
Why some converters break layout and how to avoid it.
Understanding IWELAH AI quotas, credits and subscriptions
Monthly quota, pay-as-you-go credits, subscription: which mode to pick for your usage.
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