Decode a JWT online
Paste a JSON Web Token to instantly view its decoded header and payload in your browser.
Signature (not verified):
Frequently asked questions
No, it only decodes the header and payload; signature verification requires the signing secret or key, which never leaves your server.
No, decoding happens entirely in your browser.
Recently viewed
Build a curl command online
Build a shell-safe curl command from a method, URL, headers, and body, in your browser.
Generate a strong random password
Generate a cryptographically random password with adjustable length and character sets, in your browser.
Format and minify JavaScript online
Pretty-print or minify JavaScript instantly in your browser, correctly handling strings, template literals, regex, and comments.
Popular tools
Format and validate JSON online
Paste JSON to pretty-print, minify, and validate it instantly in your browser.
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.
Compress a PDF file for free
Shrink PDF file size while keeping quality readable, right in your browser.
Convert PDF to Word for free
Turn a PDF into an editable Word document in seconds.
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.
Convert PNG to JPG for free
Convert a PNG image to JPG right in your browser, with adjustable quality.
Generate a strong random password
Generate a cryptographically random password with adjustable length and character sets, in your browser.
Compress an image online for free
Reduce image file size while preserving visual quality, 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.
Generate a vCard QR code for free
Share your contact details instantly with a scannable vCard QR code.