Tools
Free calculators and tools we built for ourselves, then opened up. No signups. No paywalls.
New
Gig Worker Tax Calculator
Estimate self-employment tax, federal + state tax, and quarterly payments for 1099 work. 2026 figures.
Open tool →Image Converter
Convert JPEG ↔ PNG ↔ WebP, rasterize SVG to PNG, and decode HEIC to JPEG. 100% in-browser — files never leave your device.
Open tool →File to Markdown
Convert DOCX, HTML, CSV, TXT, and PDF files to Markdown right in your browser. No uploads, no signup.
Open tool →More tools coming. Got a request? Tell us.