Free tools Windows power users keep installed
One-click scans. No signup required.
Lossless Scaling is worth considering if your game already runs at a stable, playable frame rate but lacks native frame generation. Its LSFG technology can capture a Windows game or application, upscale it, and insert generated frames for a relatively small one-time purchase. The trade-off is that it does not create equivalent game responsiveness, uses GPU resources, and can produce artifacts that vary by title.
Lossless Scaling is worth considering if your game already runs at a stable, playable frame rate but lacks native frame generation. For a relatively small one-time software purchase, it can capture a Windows game or application, upscale it, and insert generated frames using LSFG. That makes older games, unusual titles, emulators, and hardware outside the usual DLSS, FSR, or XeSS support lists more interesting.
It is not a universal performance fix. A game rendered at 40 or 60 base FPS is still being simulated and accepting input at roughly that rate, even if Lossless Scaling presents 80 or 120 frames per second. The software also consumes GPU resources, can introduce latency and visual artifacts, and varies considerably from one game to another. The practical verdict is simple: Lossless Scaling is an inexpensive compatibility layer for smoother presentation, not a replacement for a faster GPU or a native frame-generation implementation.
What Lossless Scaling does
Lossless Scaling is paid Windows software distributed through Steam. Its original role was scaling windowed applications, but its feature set now includes LSFG, the software’s machine-learning frame-generation system.
#1 Best Overall
- Top Technology--8K@60HZ: This 8K Ultra-High Speed 2.1 HDMI Cable uses the most cutting-edge technology, which is compatible with 8K@60HZ,4K@240HZ and 4K@120HZ clearly displays every particle, and accurately processes every signal source.
- Upgrade Revolution: Highwings Ultra High Speed HDMI Cable 2.1 8K supports 48Gbps (6GB/s) which can will no longer be stuck or dropped frames when watching video. It is also backward compatible with HDMI 2.0b/2.0a/1.4/1.3/1.2/1.1 versions.
- For Game Enthusiasts: This 8K Ultra High Speed HDMI Cable 2.1 can achieve a super smooth picture of 4K@120HZ. Its latest game mode supports variable refresh rate, maximizes the value of the graphics card and CPU to obtain a smoother and more detailed picture.
- Reinforced high-quality materials: This 8K HDMI Cord uses Highwings' most popular classic style. The tail's anti-bending design has been upgraded to make it more durable. The military grade tensile nylon material also greatly extends its life.
- The ultimate perfectionist: Highwings every parts of the cable has been put through rigorous the performance tests in the laboratory. After we've combined every flawless part into a perfect 8K cable and it can be presented to you.
The scaler supports several approaches, including:
- LS1
- AMD FSR
- NVIDIA Image Scaling
- Integer scaling
- Nearest-neighbor
- xBR
- Anime4K
- Sharp Bilinear
- Bicubic CAS
The important distinction is that Lossless Scaling works externally. Rather than requiring the game developer to integrate a frame-generation SDK, it captures the application’s rendered output and generates intermediate frames from that image stream. This is why it can be useful with games that have no built-in frame generation, older PC releases, emulators, and applications that do not expose modern scaling options.
The verified Steam listing showed a price of $6.99 at the time of research. Store prices, regional pricing, discounts, and review counts can change, so check the current Steam listing before buying.
LSFG 3 and LSFG 3.1: what changed
The relevant generation technology is LSFG 3, followed by the LSFG 3.1 update. The January 2025 LSFG 3 announcement described a revised architecture intended to improve image quality, reduce GPU usage, and lower latency.
According to the developer’s announcement, LSFG 3 reduced GPU load by approximately 40% in X2 mode compared with LSFG 2 running in non-performance mode, with larger reductions at multipliers above X2. The same announcement reported approximately 24% better end-to-end latency in an OSLTT test at 40 base FPS and X2 generation. Those are vendor-reported results rather than independent measurements, so they should be treated as useful technical claims, not a guarantee for every system.
Recommended Free Tools
LSFG 3.1, announced in June 2025, added changes to the capture engine and introduced queue targets that let users choose where to place the latency-versus-stability compromise:
| Queue target | Intended behavior | Trade-off |
|---|---|---|
| 0 | Lowest possible latency | Can struggle under high GPU load or with an uncapped base frame rate |
| 1 | Default balance | General-purpose compromise between latency and stability |
| 2 | More tolerance for unstable or uncapped base rates | Can add latency |
LSFG 3.1 also targeted less ghosting, flickering, and border artifacting. It disables frame generation below 10 FPS, avoiding particularly poor output during loading screens and extremely low-performance conditions. That safeguard is a useful reminder that frame generation needs a reasonable source image: it cannot turn an unplayable game into a responsive one.
Why use it instead of native frame generation?
Native systems such as DLSS Frame Generation, FSR-based frame generation, XeSS-based implementations, and other driver or vendor solutions can be technically cleaner when they are properly integrated. A game-integrated system may have access to motion vectors, depth data, HUD composition, and other information that an external capture utility cannot see.
Rank #2
- Certified HDMI Cable: The package has an official HDMI certification label. HDMI Officially Certified Fully compliant with the HDMI Forum’s strict requirements as specified in HDMI
- It supports the latest features: 0.01ms, low EMI, SBTM, 48Gbps Bandwidth, ALLM, VRR, QMS, QFT, Dynamic HDR, HDR10+, CEC, HDCP 2.2 & 2.3, VESA DSC 1.2a
- Resolution & Deep Color: 10k@60Hz 12-bit, 8K@60Hz 4:4:4 12-bit, 5k@144Hz 120Hz 90Hz 4:4:4 12-bit, 4K@240Hz 120Hz 144Hz 12-bit, 2k@360H 240Hz 165Hz,1080p@360Hz, 720p, 480p
- Digital Audio Video Format Support: The latest high-bitrate audio formats are supported including eARC, ARC, DTS Master, DTS:X, Dol-by TrueHD, Dol-by Vision, Dol-by Atmos and more
- Wide Compatibility: Gaming PC, FreeSync, G-SYNC, All GeForce RTX 40&30 series, Soundbar, PS5 PS4 PS3, Xbox Series X, Xbox Series S, All Apple TV+, All OLED TV, All Mac-book, laptop, Projector, Monitor, Netflix, Fi-re TV, Ro-ku TV, SHIELD TV
Lossless Scaling’s advantage is access rather than universal image quality. Native support can depend on the game, graphics API, developer implementation, and GPU family. LSFG can potentially be applied where those requirements are absent or where the vendor’s preferred solution is unavailable.
| Situation | More sensible starting point |
|---|---|
| The game has a well-integrated native option | Try the native option first, then compare image quality and latency |
| The game has no frame-generation setting | Lossless Scaling may be a practical way to experiment |
| The game is old, unusual, or emulated | Lossless Scaling’s external approach may be particularly useful |
| The base frame rate is already very low | Improve the base performance first; frame generation is unlikely to solve the underlying problem |
| The GPU is already fully occupied | Expect a possible drop in original FPS and test whether the generated output is worth that cost |
There is no defensible universal ranking in which LSFG is always better or worse than DLSS, FSR, XeSS, AFMF, or another frame-generation system. The correct comparison is game-by-game, with the same resolution, frame cap, refresh rate, and display conditions.
What the generated frames do—and do not—represent
Suppose a game renders at a stable 60 base FPS and LSFG X2 produces a 120-FPS output. The display can receive frames twice as often, and camera movement may look smoother. But the game is not simulating 120 distinct frames per second. Input sampling, world updates, and the original rendered frames remain tied primarily to the 60-FPS base rate.
For that reason, always report both numbers:
- Base FPS: the rate at which the game actually renders its original frames.
- Displayed or output FPS: the rate after generated frames are inserted.
Frame generation is most convincing when the base rate is stable and already responsive. It is least convincing when the source frame rate fluctuates heavily, falls into the very low range, or feels sluggish before interpolation is enabled.
Where artifacts are most visible
Because Lossless Scaling works from the captured image rather than the game’s internal scene data, it has to infer motion from what appears on screen. That can produce errors around:
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →- Rapid camera pans and fast object movement
- Thin geometry such as wires, fences, foliage, and weapon sights
- Particles, smoke, transparency, and reflections
- HUD elements, subtitles, and static interface text
- Camera cuts and sudden disocclusion, where previously hidden scenery appears
- Window borders or capture-boundary transitions
LSFG 3.1’s reported reductions in ghosting, flicker, and border artifacts are welcome, but they do not remove the underlying limitation of external interpolation. A slower-paced RPG may make the smoother camera presentation more noticeable than the latency penalty. A competitive shooter with quick turns and a busy HUD may expose artifacts and responsiveness problems much more readily.
How to set up Lossless Scaling on Windows
- Install Lossless Scaling through Steam.
- Launch the game in a compatible windowed or borderless-window configuration.
- Choose the desired scaling method and LSFG mode in Lossless Scaling.
- Set a sensible frame cap for the game’s base output and the monitor’s refresh rate.
- Start with X2 generation and a stable base rate before trying higher multipliers or adaptive behavior.
- Compare the result with frame generation disabled, checking both motion clarity and control responsiveness.
Application labels, hotkeys, and exact control locations can change between builds, so confirm the current interface in the installed version rather than relying on an old screenshot or guide. The key setup principle is consistent: give LSFG a stable source frame rate and leave enough GPU headroom for capture and generation.
Rank #3
- CTS Version: 2.1/2.1a/2.0b/2.0a/2.0/1.4/1.3/1.2/1.1. CTS 2.1 is the most recent update of the HDMI specification.
- Resolution & Deep Color: 10k@60Hz 12-bit, 8K@60Hz 12-bit,5k@120Hz 90Hz 12-bit, 4K@120Hz 144Hz 12-bit, 2k@240H 165Hz,1080p@240Hz, 720p, 480p.
- It supports the latest features: 1ms, low EMI, SBTM, 48Gbps Bandwidth, ALLM, VRR, QMS, QFT, Dynamic HDR, HDR10, CEC, HDCP 2.2 & 2.3, VESA DSC 1.2a.
- Digital Audio Video Format Support: The latest high-bitrate audio formats are supported including eARC, ARC, DTS Master, DTS:X, Dol-by TrueHD, Dol-by Vision, Dol-by Atmos and more.
- Wide Compatibility: Gaming PC, FreeSync, G-SYNC, All GeForce RTX 30 series, Soundbar, PS5 4, Xbox Series X, Xbox Series S, All Apple TV+, All OLED TV, 2021 Macbook Pro, laptop, Projector, Monitor, Fire TV, Roku TV, SHIELD TV.
Fixed versus adaptive output
Fixed modes are easiest to reason about when the monitor refresh rate and base frame rate line up cleanly. For example, a stable 60-FPS base on a 120-Hz display is a straightforward X2 target.
Adaptive mode can be useful when the display refresh rate does not divide cleanly into the base rate or when maintaining a perfectly fixed rate is impractical. It is not automatically better, however. Watch frame-time consistency and latency rather than judging the result from the displayed FPS counter alone.
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →How to test it properly
A convincing test should not enable LSFG only after reducing a game to an unstable, uncomfortable frame rate. Establish the baseline first, then compare like with like.
- Baseline: run the game with scaling and frame generation disabled.
- Stable X2: cap the game to a consistent base rate and test LSFG X2.
- Adaptive mode: test it where the monitor’s refresh rate does not divide neatly into the available base rate.
- Stress case: use a game with rapid camera movement, thin geometry, particles, or a busy HUD.
- Favorable case: test a slower-paced game or RPG where smooth presentation is easier to appreciate.
- Compatibility case: try an older game, emulator, or title with no native frame-generation option.
- Low-power case: test a handheld only if the article makes handheld-specific claims.
Record the base FPS and output FPS separately, along with frame-time consistency, GPU utilization, power draw where available, and subjective latency. For repeatable results, document the GPU, CPU, driver, resolution, refresh rate, VRR setting, game mode, frame cap, LSFG multiplier, flow scale, capture mode, operating-system version, and queue target.
Static screenshots alone are not enough. Inspect or record thin geometry, interface text, particles, camera pans, and scene transitions. If possible, use a latency measurement method rather than claiming that a setting has “no input lag.”
GPU headroom matters
Lossless Scaling is inexpensive, but the software is not free in the performance sense. LSFG and capture need GPU resources. The official product description warns that limited free GPU capacity can affect the game’s original frame rate.
This creates an important trade-off. If the game is GPU-limited at 60 FPS and LSFG pushes the GPU to its limit, the base rate may fall or become uneven. A nominally higher output counter may then hide a worse-feeling experience. Reduce the game’s rendering load, lower the base target, or disable generation if the GPU cannot provide consistent headroom.
Rank #4
- 【HDMI 2.1 Certification】Only 1% of HDMI cables on the market have passed HDMI 2.1 certification. Scan with the QR code Scanner app for verification
- 【120Hz/144Hz Gaming Excellence】Elevate your gaming experience with smooth 4K@120Hz gameplay for PS5 and Xbox, and ultra-responsive 4K@144Hz for PC. Whether you’re pushing your console or PC to the limit, enjoy unparalleled performance across all platforms(Requires game to support 4K@120Hz)
- 【Exclusive "E-Braid" Technology】Experience unprecedented durability with our unique double-layer fishnet winding and nylon braiding techniques. Copper cores and ferrite magnetic beads ensure uninterrupted signals, eliminating black screens and flickering
- 【HDMI 2.1-48Gbps Bandwidth】Unleash the full potential of your devices with lightning-fast data transfer rates, ensuring seamless connectivity for all your high-definition needs
- 【Next-Level Resolution Support】Dive into the future with support for mind-blowing resolutions, including 10K 8K@60Hz, 12-bit; 5K@120Hz/90Hz, 12-bit; 4K@144Hz/120Hz, 12-bit; and 2K@240Hz/165Hz
Is a high-refresh monitor worthwhile?
A 144Hz gaming monitor is the most natural supporting purchase for this setup. Generated frames are useful only if the display can present them, and a 144-Hz panel provides substantially more room than a conventional 60-Hz screen.
The monitor does not increase the game’s internally rendered FPS. It simply gives a higher output rate somewhere useful to go. When choosing one, pay attention to:
- Refresh rate and whether it matches the base/output targets you intend to use
- Variable-refresh-rate support and compatibility with your GPU
- Resolution and the rendering load it places on the system
- Response behavior and motion performance, not refresh rate alone
- Ports, adaptive-sync range, and connection requirements
A high-refresh monitor cannot compensate for poor frame pacing, excessive latency, or a base rate that is too low. It is an enabling accessory, not a cure for those problems.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesHandhelds: useful, but not universally plug-and-play
Handheld PCs are an appealing use case because their lower-power GPUs often benefit from rendering at a modest base rate and presenting a smoother output. Lossless Scaling’s broad hardware focus makes it relevant to Windows handhelds, while a community Vulkan implementation can bring LSFG functionality to Linux and Steam Deck-like systems.
That distinction is important: the official Lossless Scaling application is a Windows product. The community lsfg-vk project is an unofficial Vulkan layer that uses Lossless Scaling’s frame-generation algorithm. Its documentation covers installation and per-application configuration, but also identifies limitations involving Vulkan, OpenGL workarounds, Proton or Wine process matching, compositors, and Steam Deck configuration.
Therefore, do not treat “Lossless Scaling works on Steam Deck” as a blanket compatibility statement. The accurate expectation is that Linux and SteamOS users may be able to use a community implementation, but setup, game compatibility, and troubleshooting are separate from the official Windows experience. Windows handhelds and Linux handhelds should be tested and described separately.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Common failure modes
The output looks smoother but controls feel slow
Check the base FPS and frame-time graph first. Generated frames do not create equivalent simulation responsiveness. Reduce the queue target if the system can sustain it, use a stable cap, lower the game’s render load, and compare against native output. If the game is latency-sensitive, native rendering at a responsive base rate may be preferable.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
The base FPS drops after enabling LSFG
The GPU may not have enough spare capacity. Lower resolution or demanding quality settings, reduce the generation workload if the application offers that control, or disable LSFG. A higher displayed FPS is not worthwhile if the original frame rate becomes erratic.
There is ghosting around the HUD or moving objects
That is a known risk of inferring motion from captured frames. Try a different LSFG mode or flow-related setting, compare fixed and adaptive output, and inspect the same scene with generation disabled. Some games and interface designs will simply be less favorable to external interpolation.
Best Value
- 8K HDMI 2.1 Cable: This HDMI cable supports 8K@60Hz and 4K@240Hz/120Hz/144Hz, with backward compatibility for 4K@60Hz, 2K and 1080p; delivers sharp, detailed visuals for TVs, monitors and projectors
- 48Gbps Ultra High Speed: This HDMI to HDMI cable delivers up to 48Gbps bandwidth for stable video and audio transmission; backward compatible with HDMI 2.0, 1.4, 1.3 and 1.2 devices
- Built for Gaming: This eARC HDMI cable supports 4K@240Hz and 8K@60Hz for PS5, Xbox Series X, gaming monitors and TVs; VRR helps reduce screen tearing on compatible devices for smoother gameplay
- eARC and Immersive Audio: Supports eARC/ARC, Dolby Vision and Dolby Atmos on compatible devices, This 8K HDMI cord is ideal for soundbars, home theaters, streaming devices and high-resolution displays
- Durable Braided Design: High-purity copper core, aluminum alloy shell and braided jacket help resist EMI, bending and daily wear; available for 3ft, 6ft and 10ft setups
Generation is unstable with an uncapped frame rate
Use a sensible cap and test queue target 1 first. Queue target 0 prioritizes latency but can suffer under high GPU load or an uncapped base rate; queue target 2 is intended to tolerate unstable or uncapped rates better but may add latency.
Nothing useful happens at very low FPS
That is expected. LSFG 3.1 disables generation below 10 FPS, and rates only slightly above that can still produce poor motion and responsiveness. Improve the base performance before evaluating frame generation.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteWindows 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 reinstallWho should buy Lossless Scaling?
It is a good fit for:
- Players with a stable, playable base rate who want smoother presentation
- Older games without modern upscaling or frame-generation support
- Emulator users and players of unusual PC titles
- Owners of hardware excluded from a game’s native frame-generation option
- Handheld users willing to tune power, frame caps, and compatibility
- Anyone who wants an inexpensive experiment before replacing a GPU
It is a poor fit for:
- A game that is already unplayable at its base frame rate
- Systems with no spare GPU capacity
- Competitive games where latency and artifact-free motion are the priority
- Anyone expecting generated frames to equal additional game simulation
- Users who require guaranteed compatibility across every game and API
Verdict
Lossless Scaling earns its appeal through breadth and price. LSFG can add a smoother output path to games that native frame-generation systems overlook, and LSFG 3.1’s reported efficiency, latency, capture, and artifact improvements make the current generation more attractive than the earlier versions.
But the right way to buy it is as a practical experiment, not a promise of free performance. Start with a stable base rate, preserve GPU headroom, use a frame cap, inspect difficult scenes, and distinguish base FPS from generated output. Native frame generation remains the cleaner technical option when a game’s implementation is good and available. Lossless Scaling is most valuable precisely where that option is missing.
Frequently Asked Questions
Does Lossless Scaling increase a game’s real FPS?
No. Lossless Scaling can make the displayed output look smoother, but it does not create equivalent game simulation or input responsiveness. A 120-FPS output generated from a 60-FPS base is still fundamentally based on a 60-FPS game-rendering rate.
Does Lossless Scaling work on Steam Deck?
It is Windows software distributed through Steam. Linux and Steam Deck users may use the unofficial community lsfg-vk Vulkan implementation, but that has separate installation and compatibility considerations and should not be treated as identical to the official Windows application.
What base FPS does Lossless Scaling need?
A stable, playable base rate is the most important requirement. LSFG 3.1 disables generation below 10 FPS, and the software can also reduce the original frame rate if the GPU lacks spare capacity.
Is Lossless Scaling better than DLSS, FSR, or XeSS?
Native frame generation is usually the cleaner technical option when it is well integrated and available. Lossless Scaling’s advantage is compatibility: it can potentially work with games and applications that lack native support.
The Bottom Line
Bottom line: Buy Lossless Scaling for compatibility and experimentation, especially with older games, emulators, unsupported titles, and handheld systems. Do not buy it expecting very low FPS to become responsive or external frame generation to match a well-integrated native solution in every game.
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.
