Free PC Hardware Tools — DIY, Tune & Diagnose
Thirty-two pure-frontend hardware tools for DIY builders, overclockers and gamers. Calculate PSU wattage, compare CPU and GPU tiers, tune overclocks, fix stutters and validate monitors — all instant, no signup, no data leaves your browser.
Local & private by design
Most-used tools
All Hardware Tools by Category
Power & PSU
(3)PC Wattage Calculator
→Add up CPU, GPU, RAM, SSD, fans and USB load, then size the PSU with safe headroom.
- CPU + GPU + peripherals
- Overclock headroom
- 35% safety buffer
PSU Wattage Matcher
→Enter your system peak and get the right PSU tier, connector and rail guidance.
- Peak → PSU rating
- 80+ tier guidance
- Connector / rail check
Hardware Load Bottleneck Detector
→Find which part (CPU, GPU, PSU or RAM) is starving your system under load.
- CPU vs GPU bound
- PSU sag detection
- Per-resolution verdict
Overclock & Tuning
(6)CPU Overclock Safety Threshold
→Safe voltage and frequency windows by CPU tier so you overclock without cooking silicon.
- Per-tier V/F curve
- Daily vs benchmark limits
- LLC & temp guardrails
GPU Core & Memory Tuner
→Match core and memory offsets to your game load for max FPS without artifacts.
- Core + memory offset
- Per-workload preset
- Stability test plan
RAM XMP Compatibility Checker
→Verify RAM kit speed, voltage and timings against your CPU/platform before enabling XMP.
- Kit vs IMC check
- XMP/EXPO guidance
- Common boot-loop causes
Hardware Temperature Safety Lookup
→Safe max temps for CPU, GPU, SSD and motherboard so you catch throttling early.
- CPU/GPU/SSD limits
- Throttle vs shutdown
- Hotspot vs core
Fan Curve Simulator
→Visualize a custom temperature-to-RPM curve that balances cooling and noise.
- Visual RPM curve
- Noise estimate
- Air/water cooling presets
VRAM Usage Estimator
→See if your settings will overflow your card and cause texture streaming stutter.
- Resolution × quality
- Ray-tracing overhead
- HD pack & apps
Build Compatibility & Ladders
(5)Build Compatibility Checker
→Catch CPU-socket, RAM-gen, GPU-PSU and case-clearance clashes before you buy.
- Socket & chipset match
- RAM gen & speed
- Case & PSU clearance
Desktop CPU Ladder
→Compare Intel Core and AMD Ryzen CPUs by tier, performance, power and value.
- Tier-ranked CPUs
- Gaming vs multi-core
- Perf-per-watt
Desktop GPU Ladder
→Compare NVIDIA and AMD GPUs by FPS, VRAM, power and price-to-performance.
- Tier-ranked GPUs
- 1080P/2K/4K FPS
- VRAM & power
Mobile SoC & GPU Ladder
→Rank phone and tablet chipsets (Snapdragon, Apple, Dimensity, Tensor) by tier.
- Tier-ranked SoCs
- CPU/GPU score
- Efficiency rating
Handheld & Thin-Laptop Chip Compare
→Compare Steam Deck, ROG Ally, thin-laptop APUs by perf, watt and battery.
- Perf-per-watt
- Battery estimate
- TDP scaling
Gaming Hardware
(5)Resolution Ratio Converter
→Convert 1080p / 2K / 4K / ultrawide pixel counts and fix stretched-image scaling.
- Pixel-count ratio
- Aspect & FOV notes
- GPU load multiplier
FPS & Latency Stutter Calculator
→Convert FPS to frame time, spot stutter, and find your true input-lag budget.
- FPS ↔ frame time
- Stutter variance flag
- Input-lag budget
Mouse DPI & Sensitivity Converter
→Convert DPI and sensitivity between games so your aim carries over exactly.
- Cross-game sens match
- cm/360° output
- eDPI normalization
Mouse Polling Rate Latency Calculator
→See the real latency gap between 125, 500, 1000 and 4000Hz polling rates.
- Per-Hz latency
- CPU overhead note
- Refresh-rate pairing
GPU FPS Estimator
→Project 1080P / 2K / 4K FPS across Low / Med / High with power and temp.
- Resolution pixel scaling
- Preset & ray-tracing load
- Per-tier power draw
Monitor Tools
(6)PPI Sharpness Calculator
→Compute pixel density to judge grain, sharpness and retina-class clarity.
- PPI from resolution
- Sharpness grade
- Viewing-distance hint
Refresh Rate Adapter Check
→Verify your system actually drives 144/165/240Hz and fix "high refresh not working".
- Cable bandwidth check
- Port & GPU limit
- OS setting guide
Screen Response & Ghosting Estimator
→Grade GtG response time and predict ghosting, trailing and overshoot artifacts.
- GtG vs refresh match
- Overdrive tier
- Ghosting risk flag
Color Gamut Converter
→Convert sRGB, DCI-P3 and Adobe RGB coverage so you read specs honestly.
- sRGB ↔ DCI-P3 ↔ Adobe RGB
- Real coverage %
- HDR color note
HDR Brightness Tier Checker
→See if your monitor's peak brightness delivers real HDR or washed-out HDR.
- Peak nits → HDR tier
- Dimming type check
- Washed-HDR diagnosis
Monitor All-in-One Converter
→Refresh, frame time, PPI, response and VSync/G-Sync/FreeSync range in one tool.
- Frame time & input lag
- PPI from resolution
- VRR range check
Storage Tools
(3)Drive Capacity Decimal/Binary Converter
→See why your 1TB drive shows 931GB — convert decimal vs binary capacity.
- 1000 vs 1024 base
- Advertised vs usable
- Per-unit conversion
Drive Read/Write Performance Rater
→Rate NVMe, SATA and HDD speeds and flag a drive that is slowing down.
- Seq + random rating
- NVMe/SATA/HDD tiers
- Throttle warning
RAM Scenario Requirement Calculator
→Right-size RAM for gaming, editing, dev and old laptops — plus kit suggestions.
- Gaming, editing, dev
- Single-channel penalty
- Kit suggestion
Cooling & Case DIY
(3)Case Airflow Layout Simulator
→Visualize positive vs negative pressure and fix dust buildup and dead air.
- Pressure balance
- Intake/exhaust ratio
- Dust & temp verdict
PC Noise dB Estimator
→Estimate total PC noise from fans, AIO pump and HDDs before you build.
- Per-fan dBA sum
- Pump & HDD add
- Room-context verdict
Water Cooling Efficiency Estimator
→Match radiator size, fan speed and flow to your CPU/GPU heat load.
- Heat load vs rad area
- Fan RPM impact
- ΔT over ambient
Hardware Performance Ladders (2005–2026)
Text-based tier lists covering 21 years of desktop CPUs, GPUs and mobile SoCs. Grouped by performance tier (S → D) with launch-year ordering. Updated quarterly.
Desktop CPU Ladder
Intel Core vs AMD Ryzen — 21 years of desktop CPUs tier-ranked by real-world performance.
- Intel + AMD desktop CPUs
- 2005–2026, 200+ entries
- S → D tier grouping
Desktop GPU Ladder
NVIDIA GeForce vs AMD Radeon — 21 years of desktop GPUs tier-ranked by real-world performance.
- NVIDIA GeForce + AMD Radeon
- 2005–2026, 100+ entries
- Flagship to legacy tiers
Mobile SoC Ladder
Snapdragon vs Apple A/M vs Dimensity vs Exynos — 21 years of mobile chips tier-ranked.
- Snapdragon / Apple / Dimensity
- 2005–2026, 100+ entries
- Phone + tablet SoCs
Common Hardware Errors Fixed With These Tools
Each error below links straight to the tool that diagnoses or solves it. If you are troubleshooting, start here.