Developer Tools
Client-Side Cron Expression Parsing for Developer Workflow Automation
Learn to validate cron expressions locally with CapyToolkit's parser, avoiding sensitive schedule exposure and catching errors before deployment.
Blog
Long-form guides and technical deep-dives for people who like to check things themselves, written from hands-on experience with the tools on this site.
Security & Privacy
Sanitizing Kubernetes and Terraform Manifests Before Committing to Version Control
Scan Kubernetes and Terraform configs for secrets before committing. Detect hardcoded credentials and security smells, and generate sanitized manifests.
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Electronics & Power
Field-Ready Engineering Calculations: Offline Unit Conversion for Renewable Energy Projects
Offline unit conversion for solar and battery projects. Learn essential conversions and avoid common errors.
Security & Privacy
Why Client-Side URL Parsing Prevents Credential Exposure Before Transmission
Learn how browser-based URL parsing stops credentials from leaving your browser, avoiding data breach risks in logs and third-party services.
Electronics & Power
Electrical Unit Conversions for Renewable Energy Systems: Sizing Solar and Battery Installations
Convert solar panel specs and battery capacities correctly for reliable off-grid power systems using CapyToolkit.
Developer Tools
Converting Color Spaces for CSS and Design Workflows
Understand HEX, RGB, HSL, HSV, OKLCH and when to use each format in production CSS. Includes client-side workflow tips using CapyToolkit's converter.
Electronics & Power
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.
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.
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