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Calculate, convert, inspect and clean up technical work in your browser. Hardware, networking, developer, file and security tools are ready without an account.
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Popular tools
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PSU / PC Power Calculator
Estimate total system wattage and a recommended PSU size.
RAM Latency Calculator
Convert memory speed and CAS latency into true nanoseconds.
Display Bandwidth Calculator
Check if a resolution, refresh rate and color depth fit your cable.
RAID Capacity Calculator
Usable capacity and fault tolerance across RAID levels.
Storage & File Size Calculator
Convert between bytes, KB/MB/GB and KiB/MiB/GiB.
Local LLM VRAM Calculator
Estimate VRAM needed to run a model at a given quantization.
Subnet / CIDR Calculator
Network, broadcast, host range and mask from any CIDR.
Download / Upload Time Calculator
How long a transfer takes at a given connection speed.
Browse categories
Calculators & Hardware
Solve everyday calculations and plan PC hardware, storage and bandwidth.
Networking & Planning
Plan subnets, transfer times, time zones and US weather.
Developer, Web & SEO
Format data, test code and build useful web and search assets.
Files, Images & Text
Inspect, transform and clean up files and text — all in your browser.
Security & AI Utilities
Measure password strength and estimate API costs with full transparency.
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Useful tools for everyday tasks.
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