Generate a QR code for free

Generate a QR code for a PDF for free

Create a QR code that opens a PDF you host online when scanned.

Calculate a subnet from CIDR notation

Get the network address, broadcast address, subnet mask, and usable host range for any CIDR block, in your browser.

Add a signature to a PDF for free

Draw a signature and place it on any page of a PDF, right in your browser.

Resize an image to Instagram post size for free

Fit or fill an image to the 1080×1080 Instagram post size, with drag-to-reposition and zoom, right in your browser.

Merge PDF files online for free

Combine multiple PDF files into a single document in your browser. No install, no signup.

Convert PNG to JPG for free

Convert a PNG image to JPG right in your browser, with adjustable quality.

Compress an image online for free

Reduce image file size while preserving visual quality, right in your browser.

Convert PDF to Word for free

Turn a PDF into an editable Word document in seconds.

Generate a Wi-Fi QR code for free

Create a QR code that connects devices to your Wi-Fi network instantly.

Resize an image online for free

Resize JPG, PNG, or WebP images to exact dimensions or a percentage, right in your browser.

Generate a QR code for free

Create a static QR code for a URL, text, Wi-Fi, or contact card in seconds.

Split a PDF into separate files for free

Extract pages or split a PDF into multiple files instantly in your browser.

Generate a vCard QR code for free

Share your contact details instantly with a scannable vCard QR code.

Format and validate JSON online

Paste JSON to pretty-print, minify, and validate it instantly in your browser.

Compress a PDF file for free

Shrink PDF file size while keeping quality readable, right in your browser.

Generate a strong random password

Generate a cryptographically random password with adjustable length and character sets, in your browser.