ToolsApp
99+ free, 100% client-side web utilities for creators & devs
What it does
ToolsApp is a privacy-first, all-in-one suite of 99+ free online tools for developers, designers, and digital creators. From code formatters, regex testers, and image converters to client-side PDF tools and secure hash generators — everything runs 100% locally in your browser with zero data collection. Also available as Chrome/Firefox extensions and mobile app.
Explore 99+ free, client-side web utilities: text editors, converters, math calculators, security helpers, PDF tools, and developer utilities with 100% data privacy.
Text utilities, data converters, calculators, security helpers, PDF tools, and developer utilities. No signup required, your data never leaves your browser. Ads are served automatically by third-party ad networks. ToolsApp is not responsible for their content. Count characters, words, lines, paragraphs, and estimate reading time in real time. Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case. Generate stylish, bold, italic, gothic, and aesthetic Unicode fonts for Instagram, TikTok, and bio profiles. Convert length, mass, temperature, area, and digital data storage units with high precision. Convert between PNG, JPG, and WEBP image formats with…from toolsapp.online
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Everyday Dev Tools12d ago · toolsfordev.tools · ▲1free developer tools that work offline, in your browser

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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.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 · 1d ago · opentrailpaper.com

Launched alongside, September 2026
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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 · 1d ago · opentrailpaper.com

Run Qwen3.8-Flash-Next (125B MoE, 104 GB at 4-bit) on Macs with a fraction of that RAM by streaming experts from SSD. MLX + Swift, Ollama-compatible API. - carloslfu/slotstream
Dev tools · 4d ago · github.com

NPC-Forge is a framework for building conversational agents that run on the CPU without relying on machine learning or LLMs. - NPC-Forge/docs/development.md at main · gioblu/NPC-Forge
AI · 2d ago · github.com

Weedout is a Safari extension that filters out videos YouTube labels as “Made with AI”.
AI · 4d ago · masteranza.github.io

Find your next hire or your next role from Hacker News monthly threads. AI-powered matching between candidates and job postings.
AI · 4d ago · hnmatchmaker.com

I made OwnTime to balance between competing priorities in my life. The idea is based on two main influences: the concept of "roles" from "The 5 Choices" (2015), and my repeated failure to effectively implement time blocking due to the necessary flexibility in my role. The app allows you to define time budgets, which are not much more than a few mutually exclusive countdown timers. The UX is essentially that of a chess clock for an arbitrary number of players with configurable time. The whole point of the app is to kick you out of the running role/priority when its time is up. One…
Life & fun · 4d ago · owntime.app