Free online tools
Small, fast utilities that run entirely in your browser. No sign-up, no data sent to a server.
Nifbag is a growing collection of single-purpose tools — right now covering QR codes, barcodes, passwords, and placeholder text — each built to do one job well. Pick a tool below and use it as many times as you like; nothing you type is ever uploaded anywhere.
QR & Barcode Tools
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QR Code Generator
Generate a QR code from any text or link, free and instant.
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WiFi QR Code Generator
Create a QR code that connects a phone to your WiFi network automatically.
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WhatsApp QR Code Generator
Create a QR code that opens a WhatsApp chat with your number instantly.
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Barcode Generator
Generate common 1D barcodes (CODE128, EAN-13, UPC) from any value.
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QR Code Scanner
Scan a QR code with your camera or upload an image — free, right in your browser.
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vCard QR Code Generator
Create a digital business card QR code with your contact details.
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Instagram QR Code Generator
Create a QR code that opens your Instagram profile instantly.
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Facebook QR Code Generator
Create a QR code that opens your Facebook page or profile instantly.
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TikTok QR Code Generator
Create a QR code that opens your TikTok profile instantly.
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LinkedIn QR Code Generator
Create a QR code that opens your LinkedIn profile or company page instantly.
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Google Review QR Code Generator
Create a QR code that takes customers straight to your Google review form.
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Permanent QR Code Generator
A free QR code generator with no expiration date and no subscription.
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Bulk QR Code Generator
Generate dozens of QR codes at once from a list, and download them as a ZIP.
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Video QR Code Generator
Create a QR code that opens a YouTube or Vimeo video instantly.
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LINE QR Code Generator
Create a QR code that opens a LINE chat or adds a LINE account as a friend.
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Google Form QR Code Generator
Create a QR code that opens a Google Form for surveys, sign-ups, and feedback.
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QR Code with Logo Generator
Add your logo to the center of a QR code, and pick your own colors.
Generators
How it works
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Pick a tool
Choose from QR codes, barcodes, a password generator, or placeholder text — whatever you need right now.
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Enter your details
Type or paste what the tool needs — a link, WiFi details, a password length — right on the page.
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Download or copy
Get your PNG, code, or text instantly. No account, no waiting, no watermark.
Why Nifbag
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Runs entirely in your browser
Nothing you type is sent to a server. Every tool works client-side, from start to finish.
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No sign-up, no limits
Open any tool and start using it immediately. There's no account and no daily cap.
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Free for personal & commercial use
No watermarks, no hidden fees, no premium tier blocking the features that matter.
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Fast, lightweight pages
Pages are small and static, so tools load quickly even on a slow connection.
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Nothing to install
Works directly in any modern browser, on desktop or mobile.
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Actively maintained
New tools and languages are added over time — this is a growing project, not a one-off site.
Who uses Nifbag
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Small businesses & freelancers
QR codes for menus and business cards, barcodes for simple inventory tracking.
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Designers & marketers
Lorem ipsum placeholder text for mockups, QR codes for print campaigns and packaging.
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Developers & IT
Strong random passwords for accounts and services, quick placeholder text for testing layouts.
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Students & educators
QR codes for handouts, presentations, and assignment links.
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Event organizers
QR codes for tickets, RSVPs, and WiFi access at a venue.
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Everyday use
A strong password for a new account, a WiFi QR code for guests, or filler text for a document draft.
From the blog
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How to Create a Strong Password You'll Actually Remember
Forget the mangled mix of symbols you can never recall. Here's a practical, modern method for passwords that are both genuinely strong and easy to remember.
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Password Rules That Actually Matter (and the Myths You Can Ignore)
Forced 90-day resets and mandatory symbols don't make you safer. Here's what actually predicts a password getting cracked, and what to do instead.
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WiFi QR Codes: Let Guests Connect Without Typing a Password
How WiFi QR codes work, where businesses and hosts actually use them, and how to print one that keeps connecting guests without a reprint every time.
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How to Scan a WiFi QR Code on iPhone and Android
Handed a WiFi QR code at a cafe, Airbnb, or office and not sure what to do? Here's exactly how to scan it and connect on iPhone and Android, step by step.
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QR Codes for Business Cards: A Practical Guide (No App Required)
How to put a QR code on your business card that actually saves your contact details in one scan — plus real use cases, design tips, and the follow-up moment.
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How to Scan a QR Code on iPhone and Android (No App Required)
Not sure how to scan a QR code, or what it'll actually do once you point your camera at it? Here's the exact process on iPhone and Android, what different codes do, and how to tell if one's safe to scan.
Frequently asked questions
- Is Nifbag really free?
- Yes — every tool is free for both personal and commercial use, with no sign-up and no hidden limits.
- Do I need to create an account?
- No. Every tool works the moment you open it — there's no account, no email, and nothing to set up.
- Is my data sent to a server?
- No. Every tool runs entirely in your browser using JavaScript — what you type is never uploaded anywhere.
- Can I use the output for commercial projects?
- Yes. Generated QR codes, barcodes, passwords, and placeholder text are yours to use however you like, including commercially.
- Will more tools be added?
- Yes — Nifbag is actively maintained, and new tools and language versions are added over time.