Welcome to tonylab.dev
Space of one independent developer building products, experimenting with ideas, and turning concepts into working systems
Currently working on
DataflowKit →DataflowKit is a collection of web tools for everyday technical work.
It helps developers and engineers inspect, debug, and understand data flows faster.
Selected projects
DEV Tools
liveFast, privacy-first DEV tools.
JWT • Cron • JSON • Base64 • URL • Timestamp
Dev tools · 2025
QA Tools
liveFast, privacy-first QA tools.
Test Data • Payload Builder • API Validator • Status Codes • Headers • Cookies • Auth Debuger
QA Tools · 2025
FE Tools
liveFast, privacy-first, collection of FE tools.
CSS Gradient generator • Shadow and Glass • Clamp Typography
Frontend Tools · 2026