Guides & tutorials
Practical, no-nonsense tips for editing images — free, and private in your browser.
How to make a favicon for your website
A favicon is displayed at 16 pixels. That constraint should drive every design decision — and it rules out your logo.
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Etsy product photo sizes and requirements
Etsy crops your first image to a square in search results. If you did not plan for that, it is cutting off your product.
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How to scan documents with your phone and get a small, sharp PDF
Light and angle do more for a scan than resolution ever will. Here is the whole process, and how to keep the PDF under a limit.
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JPEG vs JPG: is there actually any difference?
They are the same file. The reason there are two names is a 1980s Windows limitation nobody ever cleaned up.
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Are online image tools safe? What happens to the photos you upload
The honest answer is: it depends entirely on whether the tool uploads your file. Here is how to check for yourself.
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How to make a professional profile picture with your phone
Good light, a plain background and the right crop will beat an expensive camera used badly. Here is the whole process.
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Photo too large to upload or email? Here is how to fix it
Resizing and compressing are not the same thing, and picking the wrong one is why people end up with a blurry mess.
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How to reduce PDF file size without making it unreadable
Scanned documents are almost always the culprit. Here is what is actually taking up the space, and how to get it back.
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How to crop a photo properly (composition and ratios)
The fastest way to improve a photo — the composition rules worth knowing and which ratio to use where.
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How to upscale a low-resolution image with AI
Why stretching makes photos blurry, and how AI upscaling actually reconstructs detail instead.
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How to convert images to PDF (and PDF back to images)
Merge photos into one PDF for applications and forms — or extract every PDF page as an image.
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How to reduce image size for a website (speed guide)
Images are usually 60–70% of a page's weight. Here is the routine that fixes it without hurting quality.
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How to edit product photos for Amazon, Shopify and eBay
The white-background rule, the exact sizes each marketplace wants, and how to prepare a whole catalogue quickly.
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How to make a transparent background PNG (free)
Make a cut-out that drops cleanly onto any background — and fix the white-box problem when it appears.
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What is DPI, and does it actually matter?
Why 300 DPI matters for print, means nothing on screen, and how to check if your image is big enough.
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Passport photo size guide: US, UK, Canada and more
Exact dimensions by country, the mistakes that get photos rejected, and how to make one at home for free.
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How to make a transparent signature image
Photograph a signature on paper and turn it into a clean transparent PNG for documents and emails.
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PNG vs JPG vs WebP: which format should you use?
Lossy vs lossless, transparency, file size — how to choose the right format every time.
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How to make a YouTube thumbnail that gets clicks
The right size, the design rules that lift click-through rate, and how to build one without Photoshop.
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How to compress an image without losing quality
What "quality 80" really means, which format to pick, and how to hit a target file size without a visible drop.
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Best image sizes for social media (2026 cheat sheet)
Stop letting platforms crop your photos. Here are the correct sizes for every network, with one-click presets.
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How to convert HEIC to JPG on Windows (free, no software)
Your iPhone photos are HEIC and Windows won't open them? Here are the quickest free ways to get JPGs.
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How to remove the background from hair without jagged edges
Fine, flyaway hair is where most background removers fall apart. Here is how to get clean edges every time.
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