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Insights from a team that builds in production

Engineering, AI & Automation, Product Building, Company News

ToolsAug 18, 2026

How to convert ChatGPT (or Claude) output to a Word document — without uploading it anywhere

ChatGPT and Claude answer in Markdown, and pasting that into Word gives you literal hash marks and pipe characters. Here is what actually breaks, why Word's HTML paste does it, and how to get a real .docx without sending the document to anyone's server.

13 min read
Snapdrop Was Ruined by LimeWire: So We Built a Free Replacement
ToolsApr 20, 2026

Snapdrop Was Ruined by LimeWire: So We Built a Free Replacement

LimeWire acquired Snapdrop and killed it. File Drop is our free peer-to-peer replacement: no cloud uploads, no accounts, no ads. Just open and share.

8 min read
Free Online Markdown to PDF Converter: No Signup Required
ToolsApr 15, 2026

Free Online Markdown to PDF Converter: No Signup Required

Convert Markdown files to beautifully formatted PDFs directly in the browser. Supports GitHub Flavored Markdown, live preview, and instant download. Completely free.

7 min read
JSON Craft: The All-in-One JSON Editor with AI Error Fixing & Key Path Generator
ToolsApr 10, 2026

JSON Craft: The All-in-One JSON Editor with AI Error Fixing & Key Path Generator

Edit, diff, transform, and visualize JSON with a free browser-based toolkit. AI-powered error fixing, one-click key path copying in 8 languages, and visual diffing.

9 min read
Free QR Code Generator: Custom Colors, Multiple Formats, No Signup
ToolsApr 5, 2026

Free QR Code Generator: Custom Colors, Multiple Formats, No Signup

Generate QR codes for URLs, Wi-Fi, vCards, email, and more. Customize colors and sizes, download as PNG, SVG, or JPEG. Everything runs in your browser.

6 min read
Compress Images Online for Free: 100% Browser-Based, No Upload Required
ToolsMar 28, 2026

Compress Images Online for Free: 100% Browser-Based, No Upload Required

Reduce image file sizes without quality loss using our browser-based compressor. Supports JPEG, PNG, and WebP with batch processing and format conversion.

6 min read
Create Beautiful Code Screenshots: A Free Carbon Alternative
ToolsMar 20, 2026

Create Beautiful Code Screenshots: A Free Carbon Alternative

Turn your source code into stunning images with syntax highlighting, custom themes, and gradient backgrounds. Export as PNG or SVG. A privacy-first alternative to Carbon.

6 min read
EngineeringMar 15, 2026

How we built PropertyTools.ai from zero to production

Architecture decisions, AI integrations, and the deployment pipeline behind our AI-powered property management platform, including what we got wrong the first time.

9 min read
EngineeringFeb 28, 2026

Why we chose schema-based multi-tenancy for BlueGrasshopper

How we architected complete data isolation between financial advisory firms using django-tenants and PostgreSQL schemas, and when shared-schema is the right call instead.

8 min read
AI & AutomationFeb 10, 2026

Patterns for integrating Claude API in production

Streaming, prompt caching, structured output validation, rate limits, and observability: the wrapper patterns that turn a Claude integration from flaky into reliable.

10 min read
Company NewsJan 20, 2026

Built fast. Built to last. The KSPR story

From shipping our own products to running a full-service software studio: why KSPR Technologies exists, what we got wrong, and what we're building next.

6 min read