Tool collections by workflow.
Use these grouped pages when you want a complete workflow instead of a single utility.
Best Free PDF Tools
A practical collection for merging, splitting, compressing, converting, rotating, watermarking, and organizing PDF files in the browser.
CollectionFree Business Calculators
Calculators for small business pricing, margins, fees, cash flow, invoices, ecommerce, events, and workplace planning.
CollectionFree Developer Tools
Everyday utilities for formatting data, testing patterns, decoding tokens, planning networks, and checking browser-facing details.
CollectionFree Image and Design Tools
Tools for image preparation, color conversion, contrast checks, QR payloads, gradients, favicons, and social image sizing.
CollectionFree Online Calculators
A broad set of calculators for finance, health, home projects, travel, cars, recipes, math, and everyday planning.
CollectionFree Writing and SEO Tools
Content, readability, email, SEO, and social media tools for preparing copy before publishing.