How-to
Step-by-step guides for converting and compressing images on any device, without software installs or uploads.
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How-toHow to Watermark Photos Online: Free, No Upload
Photographers, designers, and anyone who shares photos online needs a quick way to add a watermark. Here is how to do it in your browser without uploading the photo anywhere.
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How-toHow to Extract Images from a PDF (or Convert Each Page)
There are two completely different things people mean by "PDF to images": extracting the embedded image files inside, or rendering each PDF page as a picture. Here is which one you want, depending on whether you need the originals or just a visual copy.
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How-toHow to Split a PDF Into Separate Files
Splitting a PDF means different things depending on what you need: sometimes one page, sometimes a chapter, sometimes every page on its own. Here is the difference and how to do each one without uploading the source.
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How-toHow to Merge PDFs in Your Browser (No Upload Required)
Merging PDFs is the most common reason people upload sensitive documents to free online tools. The exact moment you should not upload them. Here is how to combine PDFs locally instead.
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How-toHow to Combine Multiple Images Into One PDF
PDF is the right format for sharing a sequence of images that need to stay in order: receipts, contracts, photo evidence, ID scans. Here is how to combine them in your browser without uploading sensitive documents to a third party.
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How-toHow to Convert HEIC to JPG on Windows Without Software
You got HEIC files on Windows and the Photos app refuses to open them. Here is the fastest way to convert them to JPG without installing anything.
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How-toHow to Upload HEIC Photos to Instagram, Twitter, LinkedIn
You took photos on iPhone, the upload to Instagram or LinkedIn fails or looks wrong. The fix is converting HEIC to JPG. Here is the platform-by-platform guide.
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How-toHow to Serve Next-Gen Image Formats in 2026
PageSpeed Insights flags "serve images in next-gen formats" on most sites. Here is what those formats are, why Google cares, and three ways to deliver them.
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How-toHow to Use the HTML Picture Element for WebP and AVIF
The picture element lets you serve AVIF to modern browsers, WebP to slightly older ones, and JPEG to ancient ones, all in one HTML block. Here is the syntax.
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