From the Converterzilla blog

Walk-throughs, tips and product updates across 5 categories. Pick a section below or scroll the latest from each.

PDF Tools Image Tools Convert to PDF Convert From PDF Security & Productivity

PDF Tools

Everyday PDF workflows — merging, splitting, compressing, organising and page numbering, all running in your browser without uploading files.

View all in PDF Tools →

Apr 21, 2026·3 min read

How to merge PDFs without uploading them anywhere

A quick walkthrough of in-browser PDF merging — no servers, no waiting, no privacy worries.

Apr 18, 2026·3 min read

The fastest way to split a PDF into chapters

Pull specific page ranges out of a long PDF without re-creating the original from scratch.

Apr 12, 2026·4 min read

How to compress a PDF for email attachments

Most email providers cap attachments at 25 MB. Here's how to shrink your PDF below that line, fast.

Apr 5, 2026·3 min read

How to add page numbers to a PDF that already has content

Place numbered marks on every page without disturbing the existing layout — even on scanned documents.

Mar 28, 2026·3 min read

Reordering and deleting pages in a PDF: a simple workflow

Drag-and-drop page management without paying for a desktop PDF editor.

Image Tools

Working with JPG, PNG, WebP and friends — formats, conversions, compression, resizing and watermarks, processed locally in your browser.

View all in Image Tools →

May 9, 2026·4 min read

PNG to JPG: when (and when not) to make the switch

JPG files are usually a fraction of the size of PNG. Here's the practical guide to deciding whether the trade is worth it for your image.

May 8, 2026·3 min read

JPG to PNG: why convert in the reverse direction?

Going from a lossy format to a lossless one can't recover lost detail — but there are genuine reasons to do this conversion. Here's when it's worth it.

Apr 19, 2026·4 min read

JPG vs PNG: which one should you actually use?

A no-nonsense guide to picking the right image format for photos, screenshots and graphics.

Apr 14, 2026·3 min read

How to batch convert images between JPG and PNG

Converting one image is easy. Converting fifty without losing your mind needs a workflow.

Apr 8, 2026·3 min read

When WebP makes more sense than JPG or PNG

WebP delivers better compression with optional transparency. Here's when (and when not) to use it.

Apr 2, 2026·3 min read

How to convert a folder of photos into a single PDF

Stop emailing 30 attachments. Bundle them as a clean, ordered PDF instead.

Mar 25, 2026·4 min read

Reducing image file sizes without visible quality loss

The compression sweet spots that cut file size in half while looking identical at normal viewing distance.

Convert to PDF

Turning Word, PowerPoint, Excel, HTML and image files into clean, shareable PDFs that look identical on every device — without uploading.

View all in Convert to PDF →

May 6, 2026·4 min read

PNG to PDF: turn screenshots and scans into a clean document

From a folder of screenshots to a single shareable PDF in under a minute. Here's how PNG to PDF works and when it's the right move.

Apr 22, 2026·4 min read

The right way to convert Word documents to PDF

Why Word's built-in PDF export sometimes looks wrong, and how to get pixel-perfect output every time.

Apr 16, 2026·3 min read

PowerPoint to PDF: keeping fonts and layout intact

Why your PPT looks different on the projector — and how PDF export solves it for good.

Apr 10, 2026·3 min read

Excel to PDF: making spreadsheets look right on print

Print areas, scaling and page breaks — the unloved Excel features that make or break PDF output.

Apr 4, 2026·4 min read

HTML to PDF: saving web pages with style preserved

Why basic browser-print produces ugly PDFs, and how a real HTML-to-PDF tool does better.

Mar 29, 2026·3 min read

Image to PDF: turning a stack of photos into a clean document

From scanned receipts to product mockups — bundling images into a PDF the right way.

Convert From PDF

Editing PDFs in Word, extracting tables to Excel, turning PDF pages into editable slides or images — without sending your documents to a server.

View all in Convert From PDF →

May 7, 2026·4 min read

PDF to PNG: when lossless image extraction is the right call

PDF to JPG is more popular, but PNG output makes more sense than you'd think — especially for text-heavy pages, diagrams and screenshots.

Apr 23, 2026·4 min read

Editing PDFs in Word: the realistic guide

Word can open PDFs, but the result is rarely what you expect. Here's what works and what doesn't.

Apr 17, 2026·3 min read

Extracting tables from PDFs into Excel

Stop copy-pasting cell by cell. Real table extraction reads structure from the PDF directly.

Apr 11, 2026·3 min read

Turning PDFs into editable PowerPoint slides

When you've got a deck PDF and need to remix it without rebuilding from scratch.

Apr 6, 2026·3 min read

Saving every page of a PDF as a high-quality JPG

When you need PDF pages as images — for thumbnails, social posts, or content extraction.

Mar 31, 2026·4 min read

Why "PDF to Word" sometimes loses formatting (and how to fix it)

The conversion isn't perfect — but you can stack the deck in your favor with a few PDF-side tweaks.

Security & Productivity

Protecting, unlocking, signing, OCR'ing and watermarking PDFs — plus why privacy-first, browser-based tools matter for confidential documents.

View all in Security & Productivity →

Apr 24, 2026·4 min read

How to password-protect a PDF before sharing it

Encryption levels, the user/owner password split, and what permissions actually do.

Apr 15, 2026·3 min read

Removing passwords from PDFs you own

When the password protection is doing more harm than good — and how to remove it the legitimate way.

Apr 9, 2026·4 min read

OCR explained: making scanned PDFs searchable

From image-of-text to searchable, selectable, copyable text — without losing the original look.

Apr 3, 2026·3 min read

Watermarking PDFs to mark them confidential

Why watermarks deter casual leaks (and don't try to be encryption).

Mar 26, 2026·4 min read

Privacy-first PDF tools: why in-browser processing matters

The case for tools that never see your files — and how the technology actually works.