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The unnamed app in the headline appears to be Joplin, an open-source notes app designed to work offline. It can keep notes on your device and offers optional end-to-end encryption, but it is not automatically private in every setup: encryption requires configuration, and syncing through a third-party service sends data to that provider.
What Joplin is—and what “offline first” means
Joplin is a free, open-source note-taking and to-do application. It organizes notes in notebooks, stores them in Markdown format, and lets you search them. Its official overview describes the apps as offline first: notes are stored on your phone or computer and remain accessible without an internet connection. Joplin is available for Windows, Linux, macOS, Android, and iOS. Joplin’s product overview documents these features.
Offline access does not mean that the app never connects to the internet. Joplin lists connections for optional functions such as updates, geolocation, and synchronization. Its privacy policy says saved data, including notes and images, is not sent to a service without user authorization. Joplin’s privacy policy explains the distinction.
How private are your notes?
There are two separate questions: where your notes are stored, and whether they are encrypted. Keeping notes on your device supports offline use, but it does not by itself mean that the notes are encrypted. Joplin supports end-to-end encryption, but it is not enabled automatically for every new user. You must enable it manually on one device and sync the encryption setup to your other devices. Joplin’s instructions describe creating an encryption master key protected by your password. See Joplin’s end-to-end encryption guide before relying on this protection.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Syncing is optional, but choosing a sync destination affects where your data goes. Joplin lists options including Nextcloud, Dropbox, OneDrive, and Joplin Cloud. If you choose a third-party service, notes are sent to the account you selected, and that provider’s privacy policy also matters. The app’s privacy protections should therefore be judged together with your encryption settings and sync choice, not from the “offline first” label alone.
What you gain—and what you should check before switching
Joplin’s documented strengths are local, offline access; Markdown notes organized into notebooks; search; and customization through plugins and themes. A browser Web Clipper is available for Firefox and Chrome. These options suit readers who want more control over note storage and format, but customization can mean more setup than a minimalist notes app.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
The official information cited here does not establish a feature-by-feature comparison with Google Keep. In particular, it is not enough to conclude that Joplin duplicates Keep’s reminders, collaboration, or capture workflow. Before moving your everyday notes, check the functions you depend on and confirm that your current import or export path preserves them. Also consider whether you prefer plain Markdown and configurable tools or a simpler, more managed experience.
A practical decision checklist
- Need offline access? Joplin’s offline-first design keeps notes accessible on the device without an internet connection.
- Want end-to-end encryption? Plan to enable it and follow the setup instructions; do not assume it is on by default.
- Want synchronization? Choose a destination deliberately and review the provider’s data practices as well as Joplin’s.
- Care about portability? Joplin stores notes in Markdown; check how that format fits your existing notes and export or import needs.
- Prefer a low-maintenance app? Weigh the flexibility of plugins, themes, and sync choices against the extra decisions they require.
For broader privacy-oriented selection criteria, see Privacy Guides’ notebook recommendations.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
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