Image & PDF Guides — Tips and How-Tos

Word, Excel and PowerPoint files zipped into one email attachment illustration

File Utilities How to Zip Files for Email (and What Actually Shrinks)

Email attachment limits explained (Gmail 25 MB, Outlook 20 MB), the 2-minute zip workflow, and the honest truth about which file types actually compress.

Instagram grid tiles: 3:4 fills, 4:5 and 1:1 padded illustration

Social Media How to Crop Images for the Instagram Grid (3:4 Rule)

The 2026 Instagram grid is 3:4 portrait. Learn the exact crop sizes, the safe-zone rule, and a 60-second workflow so your photos never get clipped.

Image Tools How to Watermark Photos (and What Protects Them in 2026)

Watermark photos free in your browser in 4 steps — plus the honest 2026 verdict on what watermarks stop (and don’t), and the layered protection photographers actually use.

Image Tools JPG vs PNG vs WebP: Which Image Format to Use in 2026

JPG vs PNG vs WebP, settled with real measured file sizes: when each format wins in 2026, where WebP disappoints, and the 3-line rule to pick the right one every time.

Image Tools How to Compress Images Without Losing Quality (Tested)

Compress images without losing quality in your browser. We measured real file sizes at quality 90, 75 and 60 — here’s the setting to pick and what you’ll save.

Image Tools How to Convert Images to WebP (Free, In Your Browser)

Convert images to WebP free in your browser — no uploads. We measured real file sizes at every quality level, so you’ll know exactly which setting to pick.

Social Media Social Media Image Sizes for 2026 (6 Platforms)

The 2026 image sizes you actually need: Instagram’s 3:4 grid, Reels safe zones, Facebook, X, LinkedIn, TikTok, YouTube — plus a 60-second resize workflow.

PDF Tools How to Merge PDF Files Without the Common Mistakes

Merging PDFs sounds like it should be foolproof: upload a few files, combine them, download one document. Most of the time it…

File Utilities How to Create a QR Code for Free (Step-by-Step Guide)

Creating a QR code takes seconds: type in a URL or some text, generate the code, download the image. The part that…

PDF Tools How to Password Protect a PDF (Free, Step by Step)

Password protecting a PDF takes about ten seconds: upload the file, set a password, download the result. The part most guides skip…

Guides FAQ

Are the guides free to read?

Yes — every guide is completely free, with no signup or paywall. Read them on any device and use the tools they mention right away.

Who writes these guides?

The same team that builds the tools. Every step is tested with real files before publishing, so the instructions match exactly what you will see on screen.

Do I need the tools to follow a guide?

The guides stand on their own, but each one maps to a free tool — so you can go from reading to doing in one click. No account needed for either.

How often are new guides published?

New step-by-step guides are added regularly, covering image workflows, PDF tasks and file utilities. The newest ones always appear first on this page.

Can I suggest a guide topic?

Yes — send the topic through the contact page. Requests that help the most people get written first, and every guide stays free.

Are the guides beginner-friendly?

They are written in plain language with numbered steps and clear explanations. If a step needs a definition, the guide explains it on the spot.

Guides, Tips & How-Tos

Latest guides

Guides FAQ