Toolphin
Fast browser-based dev tools - no data leaves your browser
What it does
Toolphin is a free collection of 10+ developer utilities that run entirely in your browser. No server calls, no sign-ups, no tracking - your data never leaves the page. Tools include: JSON Formatter, Base64 Codec, URL Encoder/Decoder, Hash Generator, Timestamp Converter, Color Picker, Markdown Preview, Regex Tester, JWT Decoder, and Text Diff. Built with Next.js and designed to be fast, accessible, and mobile-friendly.
Does the same job
all alternatives →
Dev Toolkit — Fast, Free & No LoginApr 2026 · tools.manojcoder.in · ▲2All your dev tools, one fast & private place
Birhrt Dev ToolsJun 2026 · birhrt.online · ▲326+ free, privacy-first developer tools in your browser.
More dev tools this month
the category →
The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com
OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com
Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
