Buying Guides
Portable Second Monitors: How to Verify a Panel Before Your Return Window Closes
A browser-only checklist for testing dead pixels, backlight bleed, uniformity, USB-C connectivity, and defect documentation on delivery day.
Blog
Guides, buying advice, and tool deep-dives from the CapyToolkit team.
Developer Tools
Debugging and Exploring Parquet Files with Local SQL Queries
Query and debug Parquet files locally with SQL, inspect schemas, validate data, catch errors before they reach production.
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Buying Guides
What NPU TOPS Doesn't Tell You: How Memory Bandwidth Bounds Local LLM Performance
Decode spec sheets to find memory bandwidth, not TOPS. Learn to evaluate NPU hardware for local LLM performance before you buy.
Hardware & Peripherals
Verifying LED Panel Driver Failures Before Desoldering: What Ohm's Law Covers That a Visual Inspection Misses
Measure power-rail voltage, decode resistor markings, and compute expected dissipation to decide if your LED driver is worth repairing before desoldering.
Guides & How-Tos
Portable Power Station Claims Don't Add Up: How to Check the Math Yourself
Marketing specs obscure the real runtime. Use Ohm's Law and free browser math tools to verify power station capacity before you buy.
Buying Guides
Wi-Fi 7 Router Buying Guide: What the Specs Actually Mean for Gaming and Streaming
Decode Wi-Fi 7 spec sheets and learn which router features affect gaming latency, streaming stability, and NAT behavior.
Buying Guides
What Mechanical Keyboard Specs Actually Matter and How to Verify Them in Your Browser
Which keyboard specs separate real improvements from marketing filler, and how to verify polling rate, debounce, and rollover claims before you buy.
Buying Guides
What to Look for in a VPN That Actually Protects Your Privacy
How to verify a VPN's privacy claims before subscribing, using browser-based network tools to test IP leaks, DNS routing, and tunnel integrity.
Security & Privacy
Auditing URLs Before You Share Them: Catching Tracking Tokens, API Keys, and Credential Leaks
Catch tracking tokens, API keys, and credential leaks in URLs before you share them. A 30-second audit workflow using CapyToolkit's URL Parser.
Audio & Acoustics
Verifying Your Full Audio Signal Chain Before Every Recording Session
A 5-step pre-session workflow using three browser tools to verify your microphone, speakers, room, and gain staging before recording or voice sessions.
Guides & How-Tos
Home Network Diagnostics for Video Calls and Gaming: NAT, Jitter, and Packet Loss
Diagnose home network quality for video calls and gaming with NAT type detection, jitter measurement, and packet loss tracking in your browser.
Guides & How-Tos
When Your Video Call Freezes, the Problem Is Not What You Think
A frozen video call usually means something on the P2P path is misconfigured, not the app itself. Learn to diagnose your network and find the real cause.
Developer Tools
Local-First Data Analysis in the Browser: SQL Workbench and Big Log Explorer for Zero-Upload Analytics
Run SQL on Parquet, CSV, and JSON in your browser. Combine with Big Log Explorer for a zero-upload analytics stack that keeps your data local.