As developers, we use online tools all the time — JSON formatters, CSS generators, minifiers, validators… But honestly, most of them feel like this: painfully slow After a while, it just gets frustrating. So instead of complaining, I decided to build my own. I didn’t want to create just another tool website. I focused on three simple things: Speed – everything should feel instant I started with a
Lee Powell · Architect of Scrivener and Scapple · Lumen & Lever Most AI document pipelines fail before the model is ever called. Tables become paragraphs. Lists collapse into prose. Annotations are detached from context. Page references disappear. Source traceability is replaced by a confidence score. The structure that gave the document its meaning is gone before retrieval runs, and no retrieval
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Hey devs, After spending a lot of time writing TypeScript code (and sometimes feeling more confident than I probably should), I decided to create something to help myself and others properly measure their TypeScript knowledge. So I built TS Quiz — a free interactive quiz platform focused on modern TypeScript and React + TypeScript. 125 hand-crafted questions 5 difficulty levels (Basic → Advanced)
Building a Translation Pipeline for International Contract Bidding If your company bids on international contracts, you've probably dealt with the translation bottleneck. Technical proposals need precise translation, certified documents have strict formatting requirements, and procurement deadlines don't wait for anyone. After seeing how UK public procurement translation requirements can make or
Nexus-Open-CLI Nexus-Open-CLI is an App Store-style extensible CLI ecosystem infrastructure. In the process of daily development and using productivity tools, I have identified a long-standing issue: There are many CLI tools, but they are fragmented and difficult to manage in a unified way. For example: Different tools need to be installed separately, and their commands must be memorized indivi
Originally published on oseifert.ch TL;DR: Quizlet locked the learn mode and Knowt's import extension keeps missing cards. So i built quick-cards, a Chrome extension that grabs your Quizlet set and exports it to whatever you want (txt, csv, json, pdf, printable flashcards, Anki decks, or directly to Knowt). Chrome only for now, install instructions at quickcards.oseifert.ch/install. If you are a s
Why I'm building OneSlate Calendly is great if you're a freelancer with one calendar. It breaks if you're an executive with shared calendars from your The result: my Calendly booking page often shows zero available OneSlate solves this with a simple but specific filter: only calendar_kind is primary or owned count That single insight is the core differentiator. Everything else Solo founder,