Files & images: tools, guides and useful answers
Transform files without complicated steps. Tools, guides and questions help you convert, compress, resize and prepare images.
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Tools & Calculators
Use the tools linked to this category right away.
PDF to Markdown converter for AI
Convert your PDFs into clean Markdown, ready to paste into ChatGPT, Claude or your AI agents. Rebuilds headings, tables and lists, local OCR for scanned pages, image extraction — all in your browser, with no server upload.
Resize an image
Resize images in batch (percentage or pixels), keep aspect ratio, convert to WebP/JPG/PNG and download as ZIP. 100% browser, no upload.
Expert Image Compressor
Compress JPG, PNG, WebP in batch with a multi-threaded engine (Web Workers). Quality or target-size mode (binary search), HD ×10 loupe and ZIP export. 100% browser.
Images to PDF Converter
Merge your JPG, PNG or WebP files into a single PDF. Set the order via drag & drop, choose orientation, layout and compression. 100% browser-side.
PDF Image Extractor
Pull every embedded image out of a PDF, in full resolution. Drop your file, pick JPEG, PNG or WebP, download a ZIP. 100% browser-side, your document never leaves your computer.
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9 tools
Guides & Tutorials
Understand the basics before taking action.
DPI vs PPI: A Practical Guide for Print-Ready Images
Learn how to convert between DPI, pixels, and centimeters to prepare print-ready images. A practical guide with real examples for e-commerce and design.
Convert HEIC to JPG: Why It Fails and How to Fix It Fast
Received a HEIC file you can’t open? Learn why this format causes issues and how to convert it to JPG in seconds, without installing anything.
Resize an image without distortion
A practical guide to choosing the right image dimensions, keeping the aspect ratio and preparing lighter web files.
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Practical questions
Find a short answer to common questions.