
Does Compressing a PDF Make the Text Unsearchable?
Most PDF compressors turn pages into images, which removes the searchable text. Learn how to tell which kind of compression you get and when to use each.

Editorial & Technical Team
The LuraPDF team is a group of document processing experts, software engineers and technical writers making PDF editing free, private and accessible.
A collaborative team with decades of combined experience in web engineering, client-side document processing, and technical communication.

Most PDF compressors turn pages into images, which removes the searchable text. Learn how to tell which kind of compression you get and when to use each.

Three ways to split a PDF and when to use each: page ranges, fixed batches and one file per page, plus how page numbering works and what carries over.

Exporting PDF pages as images? JPG, PNG or WebP depends on what is on the page. A practical guide to transparency, file size and picking a resolution.

Merging PDFs keeps your pages but drops the outline and breaks fillable forms. See exactly what survives a merge, what doesn't, and how to work around it.

Converting DOCX to PDF in the browser keeps the structure but rebuilds the layout. See which elements survive, which don't, and when to export from Word.

Visa, job and government portals often reject PDFs over 100KB or 500KB. Learn why, and how to get under the limit without making the document unreadable.

How LuraPDF processes PDFs entirely in your browser with pdf-lib, pdfjs-dist, Tesseract.js and WebAssembly, so your files are never uploaded.

The fastest ways to get a PDF under email attachment limits. Covers Gmail, Outlook and other size limits, plus compression methods ranked by results.

When to use PDF and when to use Word. Compares layout consistency, editing, archiving and sharing, with a simple flowchart for picking the right format.

Learn how OCR works, what affects its accuracy, and how to turn a scanned PDF into a searchable document you can copy text from, right in your browser.

A practical guide to password-protecting PDFs: open vs. permissions passwords, how PDF encryption levels compare, and what a password really prevents.

Why PDF-to-Word conversion is never perfect: what formatting survives, what doesn't, and the techniques that keep formatting loss to a minimum.

Why a black rectangle isn't real redaction. Learn the right way to redact a PDF, the risks of fake redaction, and how to check the text is truly gone.

Learn how PDF compression works and how to shrink a PDF without visible quality loss. Includes before/after size comparisons and what compresses best.

A step-by-step guide to merging PDF files into one. Learn when to merge, how to control page order, and why merging in your browser is safer.

Learn how to add a legally valid electronic signature to a PDF for free. Covers e-signature types and when a simple e-signature isn't enough.