The best tools to make your day easier

It’s a question we hear a lot: how do I edit a PDF? SignaturePDF offers a solution that is both easy to use and complete — sign documents, organise pages, edit metadata or efficiently compress large files.

To create a custom QR code: add Async to your contacts, point to your website or make it easy to join your guest Wi-Fi. The QR codes generated are static and self-contained — they don’t depend on any third-party service.

Photopea is a full-featured alternative to Photoshop, available online with no installation. It supports many formats (PSD, XCF, Sketch, SVG, JPG, PNG) with an interface very close to Photoshop’s.

diagrams.net (draw.io) is a free, open-source alternative to Visio. At Async, we use it to design our infrastructure diagrams and call flows for phone systems.

KeePassXC lets you create, store and manage all your credentials in a single encrypted file, protected by a master password. Open source and regularly updated, it works entirely offline.

Turn an image into an icon, convert audio to another format: vert.sh does it all without sending your files to an external server (except for videos).

A tool we built to quickly and simply add a watermark to a document. Everything happens locally in your browser: no data is sent.