Blog
Guides and tutorials for working with documents and diagrams — right in your browser, with your files never sent to a server.
How Direto Notícias made its images up to 70% lighter with WebP
A news site lives on images — and every heavy photo is a reader kept waiting. Direto Notícias solved it by converting its photos from JPG to WebP with a free AtlasDocs tool, right in the browser: images came out up to 70% smaller, pages started loading faster and not a single photo left the newsroom's computer. Here's what was done and how to repeat it on your own site.
Read the guide →How to split a PDF into multiple files (or pull out just the pages you need)
You've got one big PDF and you only need to send part of it: a single chapter, a form, an invoice that got scanned in with everything else. Here's how to split a PDF into multiple files and extract only the pages that matter — no sign-up, no watermark, right in your browser.
Read the guide →How to password-protect a PDF and actually lock a document down
You're about to send a contract, a payslip or a document with personal data, and you want only the person with the password to be able to open it. Here's how to password-protect a PDF with real encryption — no sign-up, right in your browser — and understand the difference between locking the opening and locking the editing.
Read the guide →How to convert PDF to Word keeping the formatting
You convert a PDF to Word and, on the other side, the text comes out scrambled: columns collapse into one, tables fall apart and fonts change. There's a reason for this — and a way to avoid it. Here's why the formatting breaks and how to preserve the layout when converting.
Read the guide →How to compress a PDF without losing quality
Your PDF is over the email or upload size limit, and you don't want to hand the other side a blurry file. The good news: you can shrink it a lot while keeping the text sharp and the images readable. The trick is understanding what makes the file heavy and trimming only the excess.
Read the guide →AWS architecture diagrams in draw.io and Excalidraw: the complete guide
You draw the architecture in draw.io with the official AWS icons, but want to present it with Excalidraw's light hand-drawn look — or the other way around. Here's how to convert between both formats without losing icons, arrows, or colors, all in your browser.
Read the guide →