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 Redact an Image Before You Share It
Hide the private parts of a screenshot or photo before you post it. How to redact an image so the hidden pixels cannot be recovered, and why the download drops your EXIF and GPS data.
Read guideHow to Resize Images for Social Media Without Cropping
Every platform wants a different pixel size. Here is how to resize one image for all of them in your browser, with a blur fill that keeps the whole photo in frame.
Read guideHow to Change an Image's DPI (Set 300 DPI)
Set an image to 300 DPI for printing without touching a single pixel. A free, private guide that runs in your browser.
Read guideHow to Check Social Media Safe Zones (TikTok, Reels, Shorts)
Keep faces, text and logos out from under the app buttons. A free, private way to preview the TikTok, Reels and Shorts safe zones in your browser.
Read guideHow to Turn a Photo Into ASCII Art
Rebuild a photo out of text characters, then copy it or save it as an image. Free, private, and made right in your browser.
Read guideHow to Split an Image for an Instagram Grid or Carousel
Turn one picture into a seamless feed grid or a swipeable carousel. A free, private guide that slices and names the pieces for you in your browser.
Read guideHow to Convert HEIC to JPG on Windows & iPhone
iPhone photos save as HEIC and Windows often will not open them. Here is how to turn HEIC into JPG or PNG in seconds, in bulk, without uploading anything.
Read guideHow to Convert SVG to PNG (Any Resolution)
SVG is perfect for the web but not every platform accepts it. Here is how to export an SVG to a crisp PNG at any size, keep transparency, and go the other way.
Read guideHow to Measure Real Size From a Photo
Draw a line over something of known size, type that size, then measure anything else in the photo in real-world units.
Read guideHow to Convert an Image to Base64
Turn an icon or logo into a Base64 data URI you can paste straight into HTML or CSS. Free, private, and copy-ready in your browser.
Read guideHow to Flip an Image (Mirror It)
Mirror a reversed selfie, flip a logo, or batch-mirror a folder of photos. Lossless, free, and private — right in your browser.
Read guideHow to Make an Animated GIF From Images
Turn a folder of images into a looping GIF. How frame delay and order work, what to do about mismatched sizes, and how to keep a transparent background clean.
Read guideHow to Make an Animated WebP From Images
Animated WebP gives you smaller files than GIF with full color and smooth transparency. How to build one from images and when to choose it over GIF.
Read guideHow to Make an APNG (Animated PNG) From Images
APNG keeps full color and real alpha transparency, which makes it ideal for stickers, logos and UI animation. How to build one from images and how it beats GIF.
Read guideHow to Remove the Background From a GIF
Turn a GIF's solid background transparent and keep the animation. How color keying works in GIFs, why edges look crisp, and how to clean up a whole batch at once.
Read guideHow 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
Every guide is backed by a free, unlimited, in-browser tool. Browse them all.
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