Tool Collections
Discover curated tool collections designed for your specific needs. Whether you're a developer, designer, or marketer, we have the perfect toolkit for you.
Featured Collections
Web Development Essentials
Essential tools for web developers including JSON formatting, regex testing, and code tools
Content Creator Toolkit
Tools for bloggers and content creators including word counter, case converter, and SEO generators
Designer's Toolkit
Color and design tools for UI/UX designers including color converters, gradient generators, and CSS tools
Student Study Pack
Useful tools for students including calculators, converters, and homework helpers
SEO Optimization Suite
Complete set of SEO tools for optimizing content and improving search rankings
Password & Security Tools
Security focused tools including password generation and verification
Image Editing Suite
Tools for editing, converting, and optimizing images
AI & LLM Engineering Toolkit
Calculate GPU VRAM, estimate token costs, build system prompts, and scan for prompt injection
Finance & Tax Calculators
Compare lease vs buy, calculate XIRR, compound interest, loan payments, and home office deductions
Thai Salary, Tax & Business Pack
Calculate Thai net salary, progressive income tax, VAT 7%, loan amortization, and investment returns
PDF & Document Processing Suite
Merge, split, compress, rotate, watermark, and number PDF documents directly in your browser
Database, SQL & Data Engineering Pack
Inspect Parquet and SQLite files, query CSVs with SQL, visualize schemas, and convert between SQL and NoSQL
Web Accessibility (WCAG / a11y) Toolkit
Audit OKLCH color contrast, ARIA labels, heading hierarchy, alt text, and keyboard focus order
Cryptography & Web Security Hardening
Generate RSA keys, TOTP 2FA codes, CSP headers, SRI hashes, HMAC signatures, and verify password hashes
Collections by Category
Development
Productivity
Why Use Collections
- ✓Save time with tools pre-selected for your specific role
- ✓Discover tools that work seamlessly together
- ✓Avoid searching across multiple categories
Last updated: October 29, 2026