Simple tools. Powerful results.
WizzyTools runs PDF, image, QR, and developer tools in one browser tab, no install required. Every uploaded file is deleted automatically within 30–60 minutes. Sign up free anytime to unlock AI features and track your usage.
Wizzy PDF Tools
Every PDF tool in one place
Summarize a PDF with AI
Get a plain-language summary of any PDF document in seconds.
AIChat with a PDF using AI
Ask questions about a PDF and get answers grounded in its content.
AIClean up OCR text with AI
Paste text extracted by OCR and get it corrected and cleaned up.
AIExtract tables from a PDF with AI
Pull tables out of a PDF as clean Markdown, with higher accuracy than layout-based extraction.
AISummarize what changed between two PDFs
Upload two versions of a PDF and get a plain-language summary of what changed.
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All 40 tools in Wizzy PDF Tools
Wizzy Image Tools
Resize, convert, enhance
Resize an image online for free
Resize JPG, PNG, or WebP images to exact dimensions or a percentage, right in your browser.
Optimize and minify SVG files
Shrink SVG files by removing comments, editor metadata, empty groups and extra precision, right in your browser.
Resize images in bulk for free
Resize many JPG, PNG, or WebP images at once by percentage, dimensions, or max file size, right in your browser.
Compress an image online for free
Reduce image file size while preserving visual quality, right in your browser.
Convert an image format for free
Convert between JPG, PNG, and WebP, right in your browser.
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All 26 tools in Wizzy Image Tools
Wizzy QR Tools
Static and dynamic QR codes
Generate a QR code for free
Create a static QR code for a URL, text, Wi-Fi, or contact card in seconds.
Scan a QR code online for free
Upload or paste a QR code image to instantly decode its content.
Generate a Wi-Fi QR code for free
Create a QR code that connects devices to your Wi-Fi network instantly.
Generate a vCard QR code for free
Share your contact details instantly with a scannable vCard QR code.
Generate an email QR code for free
Create a QR code that opens a pre-filled email with your address, subject, and message.
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All 18 tools in Wizzy QR Tools
Wizzy Dev Tools
Format, encode, inspect
Format and validate JSON online
Paste JSON to pretty-print, minify, and validate it instantly in your browser.
Base64 encode or decode text online
Convert text to and from Base64 instantly in your browser, with full Unicode support.
Convert text to binary or hex and back
Convert text to binary or hexadecimal UTF-8 bytes and decode them back to text, instantly in your browser.
Inspect every Unicode character in your text
See code points, UTF-8 bytes, UTF-16 units, HTML entities, escapes and categories for each character, and find hidden invisible characters.
URL encode or decode a string online
Percent-encode or decode a URL or query string component instantly in your browser.
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All 50 tools in Wizzy Dev Tools
Zero install, zero friction
Three steps, no account required, no waiting room.
Pick a tool
Browse the 4 suites above or jump straight to one from the menu.
Drop in your file or text
It stays in your browser tab wherever the tool supports it - nothing to configure.
Get your result instantly
Copy or download it. Any uploaded file is auto-deleted within 30–60 minutes.
Guides & release notes
The latest posts across every suite.
Reading a JWT Without Trusting It: Claims, Expiry, and the Signature Trap
Decoding a JWT takes a second. Verifying one is a different job entirely — and confusing the two is how auth bugs ship. Here is how to read a token safely while you debug.
Read post September 12, 2026Why QR Codes Fail in the Real World (and How to Print Ones That Do Not)
A code that scans perfectly on your monitor can be unreadable on a poster, a menu, or a shipping label. Here is what breaks between the screen and the print run, and how to test before you spend money.
Read post September 12, 2026Responsive Images Done Right: srcset, Sizes, and the Widths That Matter
Shipping one giant image to every device is the easiest performance mistake to make. Here is how to pick a small set of widths, wire up srcset and sizes correctly, and stop guessing.
Read post September 12, 2026Editing a PDF in Your Browser: How a Client-Side PDF Editor Actually Works
Adding text, filling forms, signing, and rearranging pages without a single byte leaving your machine. Here is what a browser-based PDF editor can do, what it cannot, and why that distinction matters.
Read postFrequently asked questions
Common questions before you dive in.
No installation is required. All WizzyTools operate entirely in your web browser and are fully compatible with modern browsers on Windows, Mac, Linux, iOS, and Android.
Yes. The vast majority of our tools process your data entirely locally in your web browser. For tools that require server-side processing, your files are securely processed and automatically deleted from our servers within 30-60 minutes. They are never used for training or shared with third parties.
There are no hard usage limits on our free tier. You can use our utilities as many times as you need. Extremely large files or complex operations might take longer to process, but there are no paywalls for standard usage.
No, you do not need to create an account or sign in to use any of our tools. They are designed to be instant, accessible, and frictionless.
Yes! Any static QR code you generate with our tools is completely free and will never expire. It will work permanently as long as the underlying data (like a URL) remains valid.
Currently, WizzyTools are designed for manual use via our intuitive web interface. We are exploring API options for developers in the future.
Pick a tool. Get it done.
No account required, no install, no waiting.