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Create QR codes for links, WiFi, text and more — and learn the practical tips (size, contrast, error correction) that make them actually scan reliably.
PNG, JPEG and WebP each win in different situations. Here's a clear, practical breakdown of when to use each — with real guidance on quality, transparency, and file size.
Reorder, rotate and delete pages, add text and highlights, sign documents and fill forms — all for free in your browser, with no upload and no watermark.
Turn one or many JPG, PNG or WebP images into a single, tidy PDF — with the right page order, size and margins. Free and entirely in your browser.