Free tools Windows power users keep installed
One-click scans. No signup required.
iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
The best starting stack for most modded servers is Lithium for game-logic efficiency, FerriteCore for memory reduction, and ModernFix for startup, memory, compatibility fixes and broad performance work. Add Spark profiling before changing anything, then install only the mod that addresses your measured bottleneck. Use Sodium (Fabric) or Embeddium (Forge/NeoForge) on players’ clients for FPS; they do not improve server TPS. Treat C2ME, Moonrise, Starlight and Canary as conditional additions because their chunk, lighting and tick patches can overlap.
If you want to run this optimization stack on a hosted modded Minecraft server, Godlike.Host offers Minecraft modded hosting with a built-in mod installer, one-click modpacks, SFTP/FTP access, backups, and a Pterodactyl-based game panel.
What server optimization mods actually improve
A Minecraft server has several different workloads, and a mod that helps one may do nothing for another. A low frame rate on a player’s computer is a rendering problem; slow block updates, mob farms or redstone are tick-processing problems; long waits while exploring are usually chunk-generation or storage problems; crashes during startup and excessive heap use are startup or memory problems.
Recommended Free Tools
Server health is normally discussed in TPS (ticks per second) and MSPT (milliseconds per tick). A healthy server aims to complete each tick within the time budget for its configured tick rate. When a tick takes too long, TPS falls and players see delayed block updates, mob movement and redstone. Measure those values instead of assuming that a popular mod will help.
#1 Best Overall
- Powerful Turbo Fan:CAGIWIRU Electric Air Duster have reached speed up to 130000RPM,Can efficient remove dust and debris.With LED light and Three Adjustable Speed to meet with different cleaning tasks.
- With Attached USB C Fasting Charging cable.Charing 3 hours,Enjoy up to 240 minutes of use on the lowest setting, For third speed can use for 25mins.with four charging options to meet with your needs.
- Wide Application: attached 5 different nozzles,making it suitable for a variety of scenes, such as car,pet, pc, keyboards, and other electronic devices. It also serves for office and home clean duster.
- Handy Design & Portable:Cordless air duster electric nozzle is Light weight and small size, design and comfortable to hold and space saving, convenient to carry around. You can put it in your room or inside the car without taking up space.
- Economical &Reusable: Built durable materials with a long-lasting battery,our CAGIWIRU air duster it's a sustainable alternative to disposable air cans.
| Symptom or bottleneck | First mod to evaluate | Where it belongs | Important limitation |
|---|---|---|---|
| Slow physics, mob AI or block ticking | Lithium | Dedicated server; clients are not required to install it | Use a build matching the exact Minecraft version and loader |
| High heap use or frequent memory pressure | FerriteCore | Server and/or client, where a compatible build exists | Savings vary substantially by modpack |
| Slow startup, broad memory or bug issues | ModernFix | Fabric, Forge or NeoForge builds as available | Project-reported launch gains are not a guarantee |
| Low client FPS or poor frame times | Sodium on Fabric; Embeddium on Forge/NeoForge | Players’ clients | Neither replaces server tick optimization |
| Slow exploration or chunk generation | C2ME, or another compatible chunk tool | Server, sometimes with client considerations | Requires exact-version testing and conflict checks |
| Chunk-system ticking or loading overhead | Moonrise, only after profiling | Server | Can overlap or conflict with several other optimizers |
| Lighting work on an older compatible stack | Starlight, where supported | Server or both sides according to its build | Newer stacks may already include similar lighting work |
The recommended baseline: Lithium, FerriteCore and ModernFix
Lithium for server game logic
Lithium is a general-purpose optimization mod aimed at game physics, mob AI, block ticking and related logic. Its stated goal is to improve those systems without changing vanilla mechanics. That makes it the most sensible first server-side experiment when MSPT rises during ordinary play, farms or redstone activity.
Lithium runs on both client and server, but a dedicated server can use it without requiring every player to install the mod. Players on an unmodded client can therefore connect when the server, loader and protocol setup otherwise permit it. Install the server build that exactly matches your Minecraft version and loader; do not substitute a build for a nearby release.
FerriteCore for memory pressure
FerriteCore reduces Minecraft’s memory use through several internal changes, with some high-impact optimizations applying to servers. It is useful when the process approaches its heap limit, garbage collection becomes frequent, or a large modpack leaves too little headroom for chunk loading.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →The project documents one illustrative measurement: in an All Of Fabric 3 test, heap use fell from 1,792 MB to 984 MB after a fixed-seed world was generated and the process waited two minutes, using a version identified on the project page as 2.5.9. That is a project example, not a universal reduction. World size, loaded chunks, Java version and the rest of the mod list can produce very different results.
Rank #2
- Screen Cleaner is Your Screen’s New Bestfriend! - EVEO is proud to present a screen cleaner that’s perfectly suited for your TV. Meet your new screen cleaner, computer screen cleaner, laptop cleaner, iPad cleaner, Macbook,tv cleaner or any other electronic device. Our screen cleaner spray and wipe along with the included plush microfiber cloth, easily removes dust, fingerprints & other smudges on the screen’s surface. Clean effectively for a streak-free screen
- Gentle on your Screens - Our screen cleaner spray and wipes is compatible to be used even for the most sensitive LCD, LED, CRT, and OLED screens in proper use. Be at ease knowing that this product is compatible with all the major brands: LG, SONY, Samsung, Sharp, iPad, iPhone, Android screens, Kindle, PC monitors - we’ve got you covered! Can be used as LCD screen cleaner, tv cleaner, smart tv screen cleaner, and more
- Premium Super Soft Plush Microfiber Cloth - Included in this efficient screen cleaning kit. This screen cleaner spray and wipe has our signature plush microfiber cloth specially designed to comply with screens and monitors and leave them streak-free. Has been shown to effectively absorbs stubborn stains, zero streaks, and no fiber shedding. Always use this together with our screen cleaner for the best results
- Easy-to-Use Screen Cleaner Kit + microfiber cleaning cloth - The EVEO Screen Cleaning Kit will easily be your new favorite tool when it comes to taking care of the things you love most, quick and easy solution for a streak-free screen. Simply screw on the sprayer gun on the screen cleaner bottle. Spray the cleaning liquid onto the microfiber cloth, then wipe the screen until desired cleanliness & shine is achieved.
- Quality Screen Care Kit Worth Purchasing - Enjoy a convenient Screen Cleaner anytime, anywhere you need it. Your satisfaction is our top priority. We stand behind the quality of our products and that’s why, you shouldn’t be worrying at all. We manufacture the Best Screen Cleaner. and can be used for laptop cleaning kit, laptop screen cleaner, tv screen cleaner for smart tv. MacBook screen cleaner, monitor cleaner or screen cleaner spray for electronic devices with microfiber cleaning cloth
ModernFix for broad improvements
ModernFix combines performance work, memory reductions, startup changes and bug fixes. It publishes builds for Fabric, Forge and NeoForge across multiple Minecraft versions, so it can be the broadest first addition after checking that a build exists for your exact environment.
The project reports that most Forge modpacks from Minecraft 1.16 through 1.19.2 launch roughly twice as fast with ModernFix installed. That figure is a project-reported result rather than an independent benchmark, and it describes launch time, not in-game TPS. ModernFix also warns that OptiFine is not recommended for modded scenarios and is not officially supported with ModernFix; remove that combination while troubleshooting instead of treating it as a supported baseline.
Client FPS mods are a separate decision
Sodium on Fabric
Sodium substantially rewrites the client renderer to improve frame rate and frame-time consistency. It belongs in each player’s client installation on Fabric. It can make a heavily modded world feel smoother, but it does not reduce the server’s tick workload, chunk simulation cost or memory use.
Embeddium on Forge or NeoForge
Embeddium is the Forge/NeoForge-oriented rendering choice described for this optimization stack. Like Sodium, it is a client-rendering solution. Do not copy it into a dedicated server’s mods directory unless the particular build explicitly documents server support; keep client-only rendering mods on clients.
Rank #3
- 【Large size】：Measuring 800 x 300 mm/ 31. 5×12 inches, which is wider and taller than others. Large mouse pad can perfectly fit your keyboard and mouse of any size, and there is also ample space for peripherals such as phones, tablets, etc.
- 【LED backlight mouse pad】：Blade Hawks RGB mouse pad provides 7 static modes and 7 dynamic modes will give you the options you are looking for. Power-off memory function remembers the last lighting mode you selected. The super glow fiber Chroma will give you a colorful gaming setup that you want.
- 【Anti-slip rubber base】：Made from Natural rubber, this gaming mousepad will firmly grip your desktop, allowing you to enjoy the ultimate precision in the games you are most passionate about. It also comes with a texture that enhances this ability even further.
- 【Smooth and waterproof surface】: Micro-textured cloth surface, for extremely precise mouse control and a smooth movement. When liquid splashes on the gaming mouse pad, it forms water droplets and slides down. Will not delay your work or gameplay.
- 【Plug and play】: This mouse and keyboard pad is powered by USB, plug and play, no driver required. One button control light modes. Press one time to change the lighting mode, press twice to change the brightness, press and hold about 3 seconds turn ON/OFF.
A player can have excellent FPS while the server remains overloaded, or a server can maintain 20 TPS while a player’s graphics hardware struggles. Diagnose and tune those paths independently.
Conditional additions for chunks, lighting and ticking
C2ME for chunk generation and I/O
C2ME targets chunk generation, chunk loading and related I/O. Consider it when profiling shows that new terrain generation or loading dominates tick time during exploration. It is not a default add-on for every pack: asynchronous or parallel chunk work can expose incompatibilities in mods that assume a particular execution order.
Moonrise for chunk-system and server-tick work
Moonrise focuses on server ticking and chunk-system work. Its scope overlaps with several other optimization projects. The performance guidance specifically identifies possible overlap or conflict with C2ME, Lithium, FerriteCore, Canary and Starlight. Do not enable Moonrise alongside all of those and assume that more patches equal more speed; test one design, record the result, and remove the weaker or conflicting option.
PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Outdated 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 matchStarlight for supported older or specific versions
Starlight remains relevant mainly on older or specifically compatible versions where its lighting implementation fits the rest of the pack. Newer optimization stacks may already contain similar lighting changes. Verify that your target Minecraft release, loader and other lighting-related mods are supported before adding it.
Rank #4
- 【Softer and More Comfortable】Vaydeer wrist rest has unique diamond pattern, which is the combination of softness and aesthetics. The materials of wrist rest are improved into higher quality memory foam and covered with silky smooth lycra. The computer wrist rest makes you as comfortable and cushiony as like rest your wrists on clouds.
- 【Ergonomic Wrist Saver】The wrist rests for keyboard and mouse comes with a 17.32×3.15×0.83 inch keyboard wrist pad and a 5.94×3.15×0.83 inch mouse wrist support. Based on ergonomic design, the unique concave shape is the perfect fit for your wrist joints. The wrist rest pad fits most computer keyboards and laptops, improve hand and wrist posture, release your wrist and arm stress.
- 【Non-Slip Rubber Bottom】Featuring an anti-skid silicone base on the bottom, this wrist keyboard support stays firmly in place on your desk, preventing the padding from sliding around, ensuring stable and consistent wrist support during extended computer sessions.
- 【Better Experience & Pain Relief】Our keyboard arm rest is beneficial to alleviate the soreness caused by direct contact and friction between your arm and a hard desk surface, reducing the risk of wrist fatigue or carpal tunnel. The soft texture of memory foam can evenly distribute the pressure around your wrists and provide good support with just enough give.
- 【Helpful in Multiple Scenarios】Whether you're working, studying, writing, typing, gaming, this keyboard and mouse rest combo is an essential accessory to add comfort and support to your hands and wrists. It’s also a great gift for men, women, family, friend, coworker, gamer, teacher, etc.
Canary and other overlapping patches
Canary can address server performance in some versions, but it is named among the projects whose patches may overlap with Moonrise. Treat it as an alternative to evaluate against a measured bottleneck, not as an automatic companion to every baseline mod.
Compatibility is more important than a long mod list
Evaluate every candidate on five axes:
- Exact Minecraft and loader build: a Fabric release is not interchangeable with a Forge or NeoForge release, and a nearby Minecraft version may have different internals.
- Side: identify whether the mod is server-only, client-only or required on both sides. Lithium’s server-only deployment is explicitly supported; Sodium and Embeddium are rendering choices for clients.
- Bottleneck: match logic, memory, startup, rendering, lighting or chunk generation to a measurement.
- Patch overlap: check whether two mods alter the same chunk, lighting, memory or tick code.
- Behavioral promise: prefer projects that state their intent to preserve vanilla behavior when gameplay compatibility is a priority, while still testing your particular modpack.
Read each project’s current installation and compatibility notes immediately before deployment. Version support changes frequently, and a recommendation that is safe for one release can be wrong for the next.
How to install and measure an optimization stack safely
- Record the baseline. Write down the Minecraft version, loader and loader version, Java version, server hardware, allocated heap, operating system and complete mod list. Keep a copy of the current server directory and configuration files.
- Reproduce the problem. Test the activity that causes trouble: a mob farm, redstone area, long-distance flight, a fresh-world exploration route or a cold server start. Record TPS, MSPT, heap use, garbage-collection behavior and chunk-generation symptoms. A profiler such as Spark can show which systems consume tick time.
- Install the smallest baseline. Add a version-matched Lithium build, then FerriteCore, then ModernFix where compatible builds exist. Restart fully after each change; do not combine three changes if you need to identify which one helped.
- Retest the same workload. Use the same area, player count and activity for a comparable period. Note whether the improvement appears in MSPT, heap use, startup time or only subjective smoothness.
- Add client rendering separately. Give Fabric players Sodium or Forge/NeoForge players Embeddium when their problem is FPS. Keep those client-focused files off the dedicated server.
- Test conditional systems one at a time. If profiling points to chunk generation, evaluate C2ME. If chunk-system ticking is the issue, evaluate Moonrise instead. Consider Starlight or Canary only when their version support and patch scope fit the pack.
- Validate a real play session. Load existing bases, farms, dimensions and automation; join with the actual client mix; travel through unexplored terrain; restart the server; and watch logs for errors, deadlocks or repeated warnings.
- Keep a rollback point. Stop the server, back up the world, mods, configuration and startup arguments, and label the tested combination. If a new build causes crashes or changed behavior, restore the backup rather than deleting files from a live world.
Reading profiling results
When MSPT is high during normal simulation
Start with Lithium and inspect entities, block entities, scheduled block ticks and automation in the profiler. FerriteCore may reduce memory pressure but will not automatically make an expensive mob farm’s AI cheaper. ModernFix can address broad overhead, yet it is not a substitute for removing an overloaded contraption.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsWhen exploration causes spikes
Separate generation from storage and network effects. If new chunks are the clear source of long ticks, C2ME may be worth a controlled test. Pre-generating terrain or reducing simultaneous exploration can be safer than stacking several asynchronous chunk patches. Compare the same route before and after the change.
Best Value
- 【No Drill Mounted】Cable management tray can be assembled in as little as 3 minutes or less-simply. Side clips easily clampe the edge of desk, pass through the holes on the sides, and secure excess cables with baskets. Desk cable management supports inward or outward installation to meet your needs in different scenarios, and provides you with great convenience when collecting and organizing wires.
- 【Rubber Pad Protects Desk】Wire organizer under desk built-in soft rubber pads on the clamp protect your desk from scratches, so you will not damage your furniture or office.
- 【Sturdy and Beautiful】Cord management under desk is made of high-quality carbon steel and holds about 15 lbs. The wire basket has 2 holes on each side of the tray to enable your cables to pass freely. Cable baskets are suitable for desk thickness use from 0.4" to 2.4".
- 【Space Saving & Keep Organized】Desk cable management tray holds all your power cords, outlet strips, USB hubs and computer transformers hidden from your feet, and the data cables will not enter the vacuum cleaner to keep your desk clean and tidy. Desk wire organizer is also suitable for use in the kitchen and outdoors.
- 【Reduce Safety Risks】Cable tray under desk keeps all plugs away from your kids, no more worry about tripping. Using 2 holes wire tray saves extra space, helps you easily cabling and wire protection. The mesh design is not easy to accumulate dust, but avoids safety accidents caused by messy wires.
When heap use climbs or the server is killed for memory
Check the Java maximum heap, loaded-chunk radius, dimension activity and mod list before simply assigning more RAM. FerriteCore can lower baseline usage, but its documented reduction is pack-dependent. More allocated memory can postpone an out-of-memory failure while leaving a leak or unbounded chunk load untouched.
When startup is the complaint
Measure from process launch to the point at which the server accepts connections, and repeat after clearing unrelated noise from the comparison. ModernFix’s reported launch improvement applies to most Forge 1.16–1.19.2 modpacks in the project’s own testing; it should not be presented as a promise for every loader, release or pack.
When only one player’s screen is slow
Inspect client frame time, graphics settings, shader use, resolution and entity density. Sodium or Embeddium can improve rendering, but adding a server tick mod will not fix a GPU-limited client. Conversely, lowering client graphics cannot repair a server whose MSPT is above its tick budget.
Common failure modes and recovery
The server crashes immediately after adding a mod
- Confirm the file matches both Minecraft and the loader; do not rely on a similar filename or major version.
- Read the crash report for a mixin, dependency or duplicate transformation error.
- Remove the newest mod, restore the last known-good backup and retest with only that candidate present.
Chunks generate incorrectly or players hang while traveling
- Do not run C2ME and Moonrise together by default; their chunk-system changes can overlap.
- Check whether another mod, including a lighting or tick optimizer, patches the same subsystem.
- Test on a copy of the world before returning to production, because a corrupted or partially generated chunk can outlive the mod that caused it.
Gameplay seems different after an optimization change
Disable the newest optimization and compare the same farm, redstone circuit or mob behavior. Lithium is designed around preserving vanilla mechanics, but compatibility with other mods still needs testing. Keep a before-and-after log of observed behavior instead of assuming that a performance gain is worth a mechanic change.
Players cannot connect after a server-only installation
Verify that the mod is documented as server-compatible without a client component, that the loader accepts the connecting client, and that no required dependency is missing. Lithium is specifically described as usable on a server without requiring clients to install it; do not generalize that behavior to every optimization mod.
A practical decision framework
| If your evidence shows… | Try first | Do not assume |
|---|---|---|
| Entity, physics or block-tick time dominates MSPT | Lithium, then targeted farm or entity cleanup | FerriteCore alone will lower tick computation |
| Heap use is consistently high across the same workload | FerriteCore and a review of loaded chunks and Java settings | The documented 1,792-to-984 MB example will repeat |
| Startup is slow on a supported Forge pack | ModernFix and a measured cold-start comparison | “Twice as fast” applies to every version or loader |
| Players report low FPS but server metrics are healthy | Sodium or Embeddium on the appropriate clients | A client renderer will improve server TPS |
| New terrain causes the largest spikes | Controlled C2ME testing or pre-generation | Adding Moonrise, Starlight and Canary together is safer |
| Lighting is the measured bottleneck on an older compatible release | Version-appropriate Starlight testing | Starlight is necessary on every current stack |
What to keep in production
For a typical modded server, keep the stack deliberately small: Lithium, FerriteCore and ModernFix when each has a build for the exact environment. Add a client renderer only to clients that need it. Promote C2ME, Moonrise, Starlight or Canary to production only when a repeatable profile shows that the specific subsystem is limiting performance and compatibility testing passes.
Re-profile after Minecraft, loader, Java or major modpack updates. An optimization mod can become redundant when another project absorbs its patch, and an update can change an internal API that previously made two mods coexist. The fastest stable server is usually the one with the fewest overlapping transformations that demonstrably address its measured bottleneck.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
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.
