Guides & How-Tos
Resistor Colour Code Calculator for Quick Offline Circuit Design
Learn to decode resistor colour bands offline with CapyToolkit's browser-based calculator for fast prototyping and field repairs.
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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Security & Privacy
Privacy-Focused Image Metadata Removal with CapyToolkit's Local EXIF Scrubber
Remove GPS coordinates and device data from photos before sharing. Everything runs in your browser with zero uploads.
Audio & Acoustics
Channel-Balanced Headphone Testing with CapyToolkit's Local Audio Suite
Learn to detect headphone channel imbalance, impedance mismatch, and crosstalk using CapyToolkit's mic test tool. No uploads, 100% client-side analysis.
Hardware & Peripherals
How Your Webcam Lies to You: Diagnosing Lighting, Framing, and Noise Without Uploading a Single Frame
Your webcam hides flaws that degrade video quality, including uneven lighting, bad framing, and motion noise. Test everything client-side, no uploads, no logs.
Hardware & Peripherals
Diagnosing Gamepad Drift: Browser-Based Analog Stick Analysis with CapyToolkit
Test your controller’s analog stick drift and deadzone accuracy entirely in-browser. Learn to read raw axis values, and diagnose hardware wear.
Hardware & Peripherals
Optimize Your Livestream: Client-Side Webcam Lighting and Framing Analysis
Instant in-browser feedback to balance lighting, perfect framing, and verify resolution for professional livestreams and recordings.
Developer Tools
Deep JWT Inspection Without Transmission: Client-Side Token Analysis with CapyToolkit
Inspect JWT tokens locally: no upload, no network, full privacy. Decode headers, claims, and expiry in-browser for debugging, development, and documentation.
Hardware & Peripherals
Web MIDI Keyboard Latency Testing and USB Input Diagnostics with CapyToolkit
Test MIDI keyboards for dead keys, ghost notes, and USB-to-browser input latency using CapyToolkit's 100% client-side diagnostic suite.
Hardware & Peripherals
Measuring Mouse Input Lag and Polling Rates with CapyToolkit Local Tester
Learn to measure mouse input lag and polling rates using CapyToolkit's browser-based tool without cloud processing or data uploads.
Hardware & Peripherals
Testing Monitor Dead Pixels and Backlight Bleed with CapyToolkit's Local Display Suite
A practical walkthrough of running client-side display diagnostics for dead pixels, backlight bleed, and color uniformity without uploading a single frame.
Audio & Acoustics
Speaker Frequency Sweep and Room Resonance Testing with CapyToolkit Local Audio
Learn how to run a local frequency sweep to identify room modes, speaker resonances, and acoustic treatments.
Security & Privacy
File Hash Verification Guide Using SHA-256 Local Client-Side Tool
Learn to verify file integrity locally without uploads. A guide to SHA-256 hashing with CapyToolkit for secure checksum validation.