Guides
Practical, fact-checked answers to everyday PDF and image questions — and the free Novaxera tool that does each job.
How to Reduce PDF File Size Without Losing Quality
To reduce PDF file size, shrink the images inside it: downscale oversized photos and scans, re-encode them at a sensible quality, then remove unused and duplicate objects. Text and vector graphics take …
6 min read · Updated
How to Send Large Files by Email (Gmail, Outlook, Yahoo, iCloud)
To send a large file by email, first check the limit: Gmail, Outlook.com and Yahoo Mail allow 25 MB of attachments per email, and iCloud Mail allows 20 MB per message. If …
6 min read · Updated
JPG vs PNG vs WebP: Which Image Format Should You Use?
Use JPG for photos, PNG for screenshots, logos and anything that needs a transparent background, and WebP for images on websites, where it usually gives smaller files than JPG or PNG. JPG …
7 min read · Updated
How to Turn a Scanned PDF into Editable Text
To turn a scanned PDF into editable text, run it through OCR (optical character recognition), which reads the images of each page and converts them into characters. On Novaxera, upload the PDF …
6 min read · Updated
How to Password-Protect a PDF (and What AES-256 Means)
To password-protect a PDF, encrypt it with an open password so nobody can view it without that password. Novaxera's Protect PDF tool does this for free with AES-256 encryption: upload the PDF, …
7 min read · Updated
How to Combine Documents into One PDF for a Job Application
To combine documents into one PDF for a job application, convert each document to PDF, name the files 01-, 02-, 03- in the order you want, then upload them together to a …
6 min read · Updated