Image Guides & Tutorials

These guides are written to support everyday workflows such as preparing website images, fixing phone-photo compatibility, combining images into documents, cleaning backgrounds, and choosing the right format for design assets or product photos.

Featured guides

Edit Images Without Uploading

How to compress, convert, resize, and clean up images in your browser where supported — so the file is not uploaded to our servers for routine operations.

Read the privacy-first guide

Are Online Image Tools Private?

Server-side vs browser-side image tools, and a ten-second test to tell whether a tool uploads your file.

Read the comparison

How to Compress an Image Without Uploading It

Compress a photo to a smaller size on your device where the browser supports it, then inspect the downloaded copy before using it for a form or email limit.

Read the guide

Convert HEIC to JPG Without Uploading (Windows & Mac)

Turn a compatible iPhone HEIC photo into JPG on your device, with browser-support checks and alternatives for Windows and Mac.

Read the guide

How to Remove EXIF & GPS Data From a Photo Without Uploading It

Create a cleaned sharing copy on your device where supported, then inspect that output again for EXIF and GPS fields before sharing it.

Read the guide

How to Resize a Signature to 20KB for Online Forms

Prepare a scanned-signature copy for a 20KB ceiling, while checking the actual portal's dimensions, format, and background rules first.

Read the guide

How to Make a Passport Photo Under 200KB

Prepare a copy for a 200KB ceiling while treating the issuing authority's current crop, dimensions, background, and format rules as definitive.

Read the guide

Why Is My PNG So Large — and How to Fix It

PNG photos are often huge. Here is why PNG files get so big, when to switch to JPG or WebP, and how to shrink them in your browser.

Read the guide

How to Open HEIC Files on Windows

Open or convert iPhone HEIC photos on Windows without buying an extension — convert to JPG in your browser, no install.

Read the guide

SVG to PNG With a Transparent Background

Rasterize a compatible SVG to PNG at a chosen output size, then verify transparency, dimensions, and any externally referenced assets.

Read the guide

JPG vs PNG

Understand when smaller photo-friendly JPG files make sense and when transparent, lossless PNG files are the better fit.

Read the format comparison

WebP vs JPG vs PNG

A practical comparison for web publishing, ecommerce, screenshots, logos, and social media graphics.

Choose the best web image format

AVIF vs WebP vs JPG

Compare modern delivery formats for file size, compatibility, transparency, and realistic publishing workflows.

Choose a modern web image format

How to Compress Images

Reduce file size without obvious quality loss by combining format choice, resizing, and realistic quality settings.

Learn a simple compression workflow

Image Metadata Explained

See what EXIF and related metadata can contain, why it matters, and when removing it is the smart move.

Protect privacy before sharing images

HEIC Files Explained

Understand why iPhone photos use HEIC and when converting to JPG or PNG makes uploads and sharing easier.

Handle HEIC compatibility cleanly

Social Media Image Sizes

Review common starting dimensions for Instagram, Facebook, LinkedIn, YouTube, X, stories, reels, and Open Graph cards, with links for current verification.

Match the platform frame

Resize an Image for Instagram

Choose a feed, Story, or Reel frame, protect important content from cropping, and verify current platform guidance before publishing.

Follow the Instagram workflow

How to Watermark Images

Learn how to place, size, and fade text watermarks so they protect previews without ruining the image.

Add branding more cleanly

When to Remove a Photo Background

Learn where background removal belongs in an editing workflow, when a replacement looks better, and when the original scene should stay.

Use background cleanup more deliberately

Image to PDF Guide

Turn photos, scans, receipts, and form pages into one shareable document when the workflow expects a PDF.

Choose PDF only when it helps

How to Convert JPG to PNG

When PNG genuinely helps — transparency, sharp text, lossless edits — and when keeping the JPG is the smarter call.

Follow the conversion walkthrough

How to Convert PNG to JPG

Shrink oversized PNGs for upload rules and handle transparent backgrounds correctly so nothing silently turns white.

Get the background right first

Optimize Images for Website Speed

Resize to display size, pick the right format, compress, and fix the markup so image weight stops dragging down page speed.

Work through the checklist

Convert PDF Pages to JPG

Export PDF pages as images at the right resolution so text stays sharp instead of blurry, then compress to fit upload limits.

Keep text legible at export

What you will learn here

Popular tool workflows

• Use Compress Image before uploading images to a CMS, marketplace, or online form with size limits.
• Use PNG to WebP or JPG to WebP when you need smaller website images.
• Use Remove Metadata before sharing photos publicly or sending them to people outside your organization.
• Use Resize Image when a large source file is the real reason a page or upload feels heavy.
• Use Social Media Resizer when you need exact sizes for posts, stories, thumbnails, or Open Graph cards.
• Use Watermark Image when brand visibility or preview protection matters more than a plain export.
• Use HEIC to JPG when iPhone photos fail on older forms, portals, or office workflows.
• Use Image to PDF when multiple photos need to become one cleaner document upload.
• Use Background Remover when the subject needs isolation, then Add Background if a clean fill works better than raw transparency.
• Use JPG to AVIF when a modern web image needs smaller delivery weight and compatibility has already been checked.

Why this section exists

Many image tool sites stop at the utility itself. That works if you already know exactly what you need, but it does not help much when the real question is, "Should this be JPG or PNG?" or "Why is this file still too large?" These guides are here to answer those decisions in plain language.

Most interactive pages process the selected file on the device where the required browser APIs and listed libraries are available. The site still makes ordinary requests for page assets, consent-controlled services, and documented third-party libraries, so each guide explains the relevant limits instead of making a blanket privacy promise.

Guide FAQ