UPDATES
Devlog & progress
Daily one-line notes on what’s shipping across DHSeaDev — extensions, idle games, and legal-tech tooling. Newest first.
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Acro-Data is public: the PDF toolbox I rebuilt so strangers can read, build and fork it
Acro-Data is a free Windows PDF toolbox, now open source on GitHub. What changed to make an internal tool shareable, and what is not verified yet.
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I Secured the Site by Asking Nicely
I asked AI bots, in a footer comment, not to hack this site. A comic devlog about the joke, the standard that says it is not security, and…
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I dropped every third-party API from my website grader
My planned website report card started with six free APIs. Six problems later it runs on in-house checks, and performance waits for a browser extension. Still a plan.
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Critter Quest: eleven phases, six decisions, and a name scrub
A monster-collector game built in one file: an eleven-phase plan, six decisions made for me, and a scan that renamed franchise-adjacent terms. Still unpublished.
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Grading my own site: 86 to 97, and the C- I left alone
Two report cards for the same site: a B with a failing Security grade, then an A+ after four headers. Why the Speed C- stayed.
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I built a Disney+ companion, then let blind reviewers try to break it
A Chrome companion for Disney+ built end to end, with a blind three-reviewer panel that found real defects. Not released yet, and here is what is still unverified.
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A report card that is on your side
How I built DHSea Score, a free website grader meant to help rather than shame: one page, plain fixes, honest limits, and the bug that flagged my own…
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The PDF organizer got a reader, and a naive user found 13 problems
A PDF organizer got a full-size reader. Three reviewers and a naive-user walkthrough found 13 problems. Here is what changed and what is still unverified.
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Annoying Dino 2.1: you can throw him now, and the bugs I found on the way
Annoying Dino 2.1 lets you throw the dino and adds toys, a daily egg and four Halloween outfits, plus bug fixes. Built and tested, not on the store…
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Sonnet 5.5 and Haiku 5.5 are stretching my usage further than Opus 5.5 did
Why I build with Claude Sonnet 5.5 and Haiku 5.5 instead of Opus 5.5: published prices, the Annoying Dino 2.1 update, and what I have not measured yet.
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Replacing Acrobat Pro: the wrong turns compressing PDFs
I replaced the remove-hidden-information and optimize steps I ran in Acrobat Pro with a desktop PDF tool. The wrong turns, one real filing, honest limits.
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Claude Haiku 5.5 vs Sonnet 5.5 vs Haiku 4.5: price, benchmarks and a debate
Claude Haiku 5.5 is Anthropic’s newest small model, released on October 7, 2026 at $0.10 per million input tokens and $0.50 per million output tokens for prompts up…
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I stopped building a Facebook extension because my own friends list answered the question
Why I dropped a Facebook friend-security extension after my own friends list showed likely clone accounts, and the smaller export-based tool that replaced it.
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Two of my Claude skills were switched off by their names
Two of my Claude skills were silently disabled because their names matched built-in skills. What broke, how I fixed it, and how I check install state now.
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Dota Companion 2.5: the popup is gone, and the guide book arrives
Dota Companion 2.5 swaps the popup for Chrome’s side panel and adds favorite-hero reviews, searchable Guides, a ward-map comparison and share cards, plus what broke on the way.
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The game ran fine and I still could not tell what to do
Grovekeepers mixes Stardew-style farming with Pikmin-style squad commands. It ran fine and I still could not tell what to do. What I asked for, what is open.
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Claude Sonnet 5.5: what it is and how I built with it
Claude Sonnet 5.5 launched September 28, 2026. Here are its price and benchmarks, and what building Spirebound and its arcade listing with it showed me.
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The check that printed a number and passed for four turns
A gate script that prints a number and exits zero has not passed anything. How one passed for four turns, what a listener heard that it missed, and…
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What I learned putting Firebase sign-in behind an idle game
Lessons from adding optional Firebase cloud save to Spirebound: owner-only rules, an email gate, a pinned security policy, and a list of what is still untested.
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Spirebound is live: a free idle wizard tower in your browser
Spirebound is a free idle wizard-tower game that runs in your browser. It is live on its own address, with optional cloud save and a short list of…
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Fourteen synthesized sounds and one rule for quitting
ASMR Sound Grid is a free browser game where you judge hidden sounds as soothing or stressful. Every sound is synthesized, and I set a quitting rule first.
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MTG Cart Companion gets a full screen mode and suggested decks
MTG Cart Companion adds a full screen mode and suggested Magic decks built from any seed cards you pick, on top of right-click deck building from any page.
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Tantrum is on the Chrome Web Store
Tantrum, my Chrome extension that wrecks, mends, overgrows and doodles on web pages, is on the Chrome Web Store at version 0.2.0. What it asks for and does.
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Claude Haiku 5.5: what is confirmed and what is rumor
Claude Haiku 5.5 is announced but not released. What Anthropic confirmed on Sept 22, which rumors already failed, and what it may inherit from Opus 5.5.
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Chaos Mode: a small black cat that wrecks the page for you
How the Chaos Mode cat in Tantrum picks a tool and a spot, why its hammer swing has real elbows and wrists, and what a playtest measured about…