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f.lux VS QR Code Decoder

Compare f.lux VS QR Code Decoder and see what are their differences

f.lux

f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.

Rating
0 reviews
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Alternatives Is it good?
QR Code Decoder

Decode, scan, and create QR codes in your browser. Free, privacy-focused, and no account required.

Rating
0 reviews
Pricing
Free
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Alternatives Is it good?
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Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, f.lux seems to be more popular. It has been mentioned 351 times since March 2021.

social mentions
351 vs 0
Work Management popularity
100% vs 0%
alternatives listed
134 vs 8

Base details

Website, pricing, platforms and company facts side by side.

f.lux
QR Code Decoder
Website justgetflux.com qrcode-decoder.com
Pricing —
Free
Platforms —
Browser Web
Company Startup from the United States Startup from Canada · 1 - 9 employees · 2026
Listed in
Work Management Health And Fitness Time Tracking Color Temperature Adjuster +1
Barcode And QR Code QR Codes Qr Code Scanner QR Code Generator Barcode Scanner +2

About f.lux and QR Code Decoder

In their own words, as submitted to SaaSHub.

f.lux
QR Code Decoder

No description of f.lux yet.

QR Code Decoder is a free browser-based toolkit for decoding, scanning, and creating QR codes. Decode QR codes from uploaded images and screenshots, paste images directly from your clipboard, or scan codes using your device camera. The decoder can recognize common structured content including...

Read more about QR Code Decoder

Features and specs

What each product offers, as listed by its team.

f.lux 5 features
QR Code Decoder 7 features
  • Reduced Eye Strain
    f.lux adjusts the color temperature of your screen to match the lighting conditions, which can help reduce eye strain, especially during nighttime use.
  • Improved Sleep Quality
    By reducing blue light exposure in the evening, f.lux can help regulate your circadian rhythm, potentially improving sleep quality.
  • Customizable Settings
    f.lux offers various customization options allowing users to set their own schedules and adjust the color temperature to their preference.
  • Cross-Platform Availability
    f.lux is available on Windows, Mac, Linux, and iOS, making it accessible to a broad range of users regardless of their preferred platform.
  • Free to Use
    f.lux is available for free, making it an attractive option for users looking for screen color adjustment software without incurring costs.

Possible disadvantages

  • Compatibility Issues
    Some applications and games may not function properly when f.lux is running, causing issues such as color inaccuracies or screen flickering.
  • Learning Curve
    While f.lux is relatively simple, new users may need some time to fully understand and effectively use its various settings and features.
  • Performance Impact
    On lower-end systems, running f.lux can sometimes lead to a minor performance impact, potentially slowing down the computer.
  • Limited Mobile Support
    f.lux is not available on Android devices, restricting its usage for users who primarily rely on this operating system.
  • Privacy Concerns
    As with any software that alters system settings, some users may have concerns about the level of access and control f.lux requires to function correctly.
  • Free to use
    QR Code Decoder is free to use with no account, subscription, or software installation required.
  • 2. Decode images and screenshots
    Upload QR code images or screenshots, or paste an image directly from your clipboard for decoding.
  • 3. Camera QR scanning
    Scan QR codes directly with your device camera when camera access is available in the browser.
  • Custom QR Code Generator
    Create QR codes for URLs, text, Wi-Fi, email, phone, SMS, locations, contacts, and calendar events.
  • QR code customization
    Customize colors, gradients, module styles, frames, labels, and logos before downloading your QR code.
  • Local browser processing
    QR images, decoded content, and uploaded logos are processed locally in your browser instead of being sent to a QR processing server.
  • Multiple export formats
    Download generated QR codes as SVG, PNG, WEBP, or JPEG in multiple output sizes.

Analysis

An editorial look at what each product does well and who it suits.

f.lux
QR Code Decoder

Overall verdict

  • f.lux is generally considered a good tool for those looking to reduce blue light exposure and improve their screen viewing experience, particularly at night. It is user-friendly and offers customizable settings to suit individual preferences.

Why this product is good

  • f.lux is designed to help reduce eye strain from computer screens by adjusting the color temperature according to the time of day, making it warmer at night to reduce blue light exposure. This can improve sleep quality and reduce fatigue for users who spend long hours in front of screens.

Recommended for

    f.lux is recommended for individuals who work late into the night on computers, people sensitive to blue light exposure, and anyone looking to improve their sleep patterns by minimizing screen glare after sunset.

No analysis of QR Code Decoder yet.

Videos

Walkthroughs and reviews on video.

f.lux 3 videos + Add
QR Code Decoder 0 videos + Add

F.lux Review - Should You Really Use It? [MY EXPERIENCE]

More videos

  • - Does F.lux (FLUX) Really Work? Blue Light Filter test W/ Ghetto Science Applied.
  • - F.lux - Review & Demo

No QR Code Decoder videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
f.lux
QR Code Decoder
100% 100%
Work Management
0% 0%
0% 0%
Barcode And QR Code
100% 100%
100% 100%
Color Temperature Adjuster
0% 0%
0% 0%
QR Codes
100% 100%

Questions & Answers

As answered by people managing f.lux and QR Code Decoder.

What makes your product unique?

QR Code Decoder's answer:

QR Code Decoder combines QR decoding, camera scanning, barcode tools, and a customizable QR code generator in one browser-based toolkit. QR images, decoded content, and uploaded logos are processed locally in the browser, with no account or software installation required.

Why should a person choose your product over its competitors?

QR Code Decoder's answer:

QR Code Decoder is a good choice for users who want a simple, free tool without accounts, subscriptions, or unnecessary uploads. It can decode QR codes from images, screenshots, and cameras, while also providing a customizable QR code generator with logos, colors, styles, frames, and multiple export formats.

How would you describe the primary audience of your product?

QR Code Decoder's answer:

QR Code Decoder is designed for anyone who needs to quickly read, inspect, scan, or create QR codes in a web browser. It is useful for individuals, students, small businesses, designers, developers, and other users who prefer a simple browser-based tool without installing software.

What's the story behind your product?

QR Code Decoder's answer:

QR Code Decoder was created to make everyday QR code tasks easier in one place. Instead of requiring separate tools for decoding screenshots, scanning with a camera, reading structured QR content, and creating custom QR codes, the goal was to provide a straightforward browser-based toolkit with a strong focus on local processing and privacy.

Which are the primary technologies used for building your product?

QR Code Decoder's answer:

QR Code Decoder is built primarily with HTML, CSS, and vanilla JavaScript. QR scanning and decoding use browser-based QR and barcode libraries, while the QR generator uses qr-code-styling for customizable QR rendering and export. The tools run client-side in modern web browsers without requiring a server-side QR processing API.

User comments

Share your experience with using f.lux and QR Code Decoder. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

f.lux 351 mentions
QR Code Decoder 0 mentions
  • Study: Blue light impairs the eye's ability to distinguish fine detail most
    I've had some light-sensitivity issues for as long as a remember. So I always get glasses with transitions. On computer though I've always been using flux [0] since it came out. I know that now a lot of OSes are supporting some kind of... - Source: Hacker News / 2 months ago
  • Adafruit Receives Demand Letter from Fenwick Legal Counsel on Behalf of Flux.ai
    Nor f.lux, the warm light software that got Sherlocked by every major OS. https://justgetflux.com/. - Source: Hacker News / 5 months ago
  • Show HN: Monchromate – the best greyscale browser extension
    Somewhat related: I really like f.lux's "Darkroom" feature. Although I no longer use the app to reduce blue light after the advent of macOS's Night Shift, Darkroom mode tints the screen completely red (like a red version of Color... - Source: Hacker News / over 1 year ago

View more

Tracking QR Code Decoder since Sep 2026.

Alternatives to f.lux and QR Code Decoder

When comparing f.lux and QR Code Decoder, you can also consider the following products.

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