Windows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallOutdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchBlack bars usually mean the video and the screen or player have different aspect ratios, or that the bars are already part of the video file. They often preserve the full picture and do not, by themselves, mean anything is broken. Whether to remove them depends on where they come from and whether you are willing to crop or distort the image.
What aspect ratio means
Aspect ratio is a picture’s width compared with its height. A 16:9 frame is wider than a 4:3 frame. YouTube’s standard aspect ratio for computer playback is 16:9, and its player can adapt to videos with other ratios rather than requiring every video to have the same shape (YouTube Help).
If a video is scaled to fit a differently shaped display while keeping its proportions, unused space can remain. Bars above and below the picture are commonly called letterboxing; bars at the left and right are commonly called pillarboxing. Some technical references use “letterbox” more broadly for fitting an image inside a display area.
For some older or broadcast formats, pixel shape matters as well as frame dimensions. Pixel aspect ratio (PAR) describes the shape of an individual pixel; display aspect ratio (DAR) describes the shape of the displayed picture. Microsoft gives the relationship as DAR = (image width in pixels / image height in pixels) × PAR. For most everyday troubleshooting, start by comparing the video frame’s shape with the screen’s shape.
#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.
Find out where the bars are coming from
- Note their position. Bars at the top and bottom usually indicate a video wider than the display; bars at the sides usually indicate a narrower video, such as 4:3 footage on a widescreen display. Bars on all four sides can point to a smaller picture placed within a larger frame.
- Check the original video file. Open it in another player or inspect it in your editing software. If the bars remain, they may be encoded into the video itself. Vimeo says its player does not automatically remove hard-coded bars (Vimeo Help Center).
- Compare the page or player with the source. If the bars appear only on a hosting page, embed, or particular player, they may be surrounding space in that layout rather than part of the video. Vimeo notes that its clip-page design can create apparent black space at the sides.
- If watching on a TV, check the source device too. Aspect-ratio behavior can depend on the content, TV, set-top box, and connected device. If the problem happens on just one input, check that device’s picture or output settings before assuming the TV is faulty. Menu names and available modes vary by TV model (Sony Support).
Why the bars may be intentional
Wide movie on a 16:9 screen
A film framed wider than 16:9 can show bars above and below when displayed on a 16:9 TV. The bars preserve the full composition. Removing them usually requires enlarging and cropping the picture, which cuts off some of the frame.
4:3 video on a widescreen display
Side bars can preserve the full image from older 4:3 footage. Filling a 16:9 screen without bars means cropping the top and bottom or stretching the picture wider than its original proportions.
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.
Bars added during editing or export
A creator may have added bars to a video before uploading it. YouTube recommends not adding padding or black bars directly to the video because its player adapts to different aspect ratios. If you are preparing an upload, set the project to the intended frame shape and avoid baking in bars just to fit a particular player (YouTube Help).
Choose how to fill the screen
There is no way to remove bars from every mismatch while also preserving every pixel and the original proportions. Choose the trade-off that suits the video:
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.
| Option | What happens | Trade-off |
|---|---|---|
| Fit or scale proportionally | The complete image stays visible. | Bars or other unused space may remain. |
| Crop, zoom, or pan-and-scan | The picture fills more of the display. | Some of the image is cut off; the visible area may shift. |
| Stretch | The picture fills the display area. | People and objects can look unnaturally wide or tall. |
These are the basic choices described in Microsoft’s aspect-ratio guidance; Adobe also describes letterboxing and pan-and-scan, and Sony warns that TV zoom or wide modes can cut off or distort the original image (Microsoft Learn; Adobe Help; Sony Support).
Remove bars from a video you are editing
If the bars are embedded in your source, use video editing software to crop or reformat the video. In Microsoft Clipchamp, change the project aspect ratio using the ratio control, then use the clip’s fit or fill controls as appropriate. “Fit” preserves the full clip but can leave space; “fill” fills the project frame by cropping where necessary. Review each clip after changing the project ratio because the crop can affect different shots differently (Microsoft Support).
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
- Choose the project’s intended aspect ratio before exporting.
- For each clip, choose fit if the whole frame matters or fill if filling the frame matters more.
- Check the edges of the picture for cropped faces, text, or other important details.
- Preview the exported video in the target player before uploading. Avoid adding black padding simply to force a particular shape.
Exact controls and presets can vary by editor and version. Cropping cannot recover picture information outside the source frame.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Troubleshooting: common cases
- Bars on a movie, but other programs fill the TV: the movie may use a wider aspect ratio. Keep the bars to see the full image, or use zoom knowing that it will crop the frame.
- Bars at the sides of old footage: the source may be 4:3. Side bars preserve its original proportions; cropping or stretching changes the image.
- Bars remain in every player: they may be baked into the file. Re-edit or crop the video if you own the footage and accept the loss of picture area.
- Bars appear only on a clip page: compare the source file with an embed or another player before editing. Page design or player sizing may create the surrounding space.
- A TV picture is cut off after changing its display mode: undo zoom or wide mode and restore a setting that preserves the full frame. TV modes and labels differ by model.
- The issue occurs only through a set-top box or console: inspect that device’s output or aspect-ratio settings as well as the TV’s input settings.
Keeping a YouTube video live 24/7
If your question is about black bars in a pre-recorded video you plan to stream continuously, fix the framing in the source or accept the bars before starting. A streaming service does not change the underlying aspect-ratio trade-off: fitting preserves the full image, while cropping or stretching alters it. StreamNeo is a cloud service for keeping an uploaded video or playlist live on YouTube; upload the video, add your YouTube stream key, and go live. It loops the uploaded content, not a camera feed. See StreamNeo.
Free tools Windows power users keep installed
One-click scans. No signup required.
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.
Or let it run in the cloud
Upload your video or playlist, add your YouTube stream key, and go live. Nothing has to stay on at home. StreamNeo streams the upload as made, up to 4K 60fps, at one price per slot, and automatically recovers if YouTube drops the stream. The first day is free with no card; after that, the monthly option is $9.99 per month. Start your StreamNeo free day.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
