Guides
Practical image how-tos, no fluff.
Clear, step-by-step guides to getting images right — smaller, sharper, and in the correct format — using free tools that run entirely in your browser.
How to Add a Watermark to Images (Text or Logo)
Protect and brand your photos with a text or logo watermark across a whole batch. The placement, opacity and size that look professional, not amateur.
Read guideHow to Blur Faces in Photos to Protect Privacy
Anonymise people before you post. How automatic face blurring works, when you should use it, and how to blur every face in one click — privately.
Read guideHow to Compress Images Without Losing Quality
Cut image file size by 50–80% with no visible difference. The quality settings, formats and order of operations that actually matter.
Read guideHow to Convert HTML and CSS to an Image (PNG)
Turn HTML and CSS into a clean PNG — social cards, quote graphics, badges and banners — without screenshotting. How it works and when to use it.
Read guideHow to Convert Images to PDF (Combine Multiple Photos into One File)
Turn a folder of photos or scans into one tidy PDF. How to order pages, pick the right page size, and combine images privately in your browser.
Read guideHow to Convert Images to WebP and AVIF (and When to Use Each)
WebP and AVIF cut image size 25–50% over JPG and PNG. Which to choose, when each wins, and how to convert a whole folder at once.
Read guideHow to Crop an Image to Any Aspect Ratio
Crop to a square, 16:9 or any custom frame without distortion. The right aspect ratios for social, profiles and print, and how to crop privately.
Read guideHow to Extract a Color Palette From an Image
Pull the dominant colors out of any photo as ready-to-use hex and RGB codes. How color extraction works and how to turn an image into a usable palette.
Read guideHow to Extract Text From an Image (Free OCR Guide)
Turn a screenshot or photo of text into editable, copyable text. How OCR works, what makes it accurate, and how to do it privately and free.
Read guideHow to Remove the Background From an Image for Free
Get a clean transparent cut-out from any photo, free. How automatic background removal works, what makes a good result, and how to do it privately.
Read guideHow to Resize Images for the Web (Without Distortion)
The right pixel sizes for the web, why aspect ratio matters, and how to resize a whole folder at once without stretching or softening your images.
Read guideHow to Rotate and Straighten an Image
Fix sideways photos, flip mirror images, and straighten crooked horizons — for one image or a whole batch. Lossless, free, and private.
Read guideHow to Upscale an Image Without Losing Quality
Make a small image bigger without the blur. How AI upscaling differs from plain resizing, when it works best, and how to enlarge a photo up to 4×.
Read guideSkip the reading — just use the tools
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