Steam Capsule Validator
Generate Steamworks-sized PNGs from one master image, ZIP export, safe-area inspector, and policy reminders.
Free game development tools that bridge your game to distribution platforms, streamline builds and boilerplate, improve playability across devices, and speed up content creation with AI.
46 tools
Generate Steamworks-sized PNGs from one master image, ZIP export, safe-area inspector, and policy reminders.
Guided questionnaire to score and explain Steam tags for your game.
Plan discount windows and export calendar reminders (heuristic).
Desktop + mobile JPG pack, Arabic flipped desktop, safe-zone preview, video checklist.
Parse Unity build logs to find largest assets and quick wins.
Version + pipeline + packages → ordered checklist with official Unity doc links and CUZUS notes.
Pick two Unity versions: heuristic diff/risk scores, subsystem heatmap, impact bars, package table, official doc links, shareable URL.
Goal → Assistant / Generators / Sentis + docs; editable prompt templates for sprites, icons, textures.
Inspect manifest.json, classify sources, and visualize dependencies.
Compare two profiler snapshots and rank regressions.
Estimate memory pressure vs device-class budgets.
Guided Built-in / URP / HDRP compatibility checklist.
Compose prompts for game-ready PBR materials and variants.
Scenario planner: wishlists, price, conversion bands, fees, refunds — charts and CSV.
Score features by value, effort, risk, marketing, launch need — quadrants and exports.
Genre templates, coverage heatmap, grind/spoiler warnings, localization CSV.
Genre, platforms, and release stage → grouped checklists, severity, Markdown export.
Guided checklist with category scores, gaps, and an improvement action plan export.
Soft currency pacing, upgrades, sinks — charts, imbalance warnings, CSV worksheet.
Store page rubric by stage: grades, must-fix list, printable optimization checklist.
Parse Unity Input Actions JSON (or a manual matrix) for duplicate paths, collisions, and gaps.
Wizard: JSON / PlayerPrefs / file → persistence blueprint, schema, and C#-style starter snippets.
Map actions to Xbox / PlayStation / Switch / generic glyphs; export CSV / JSON prompt keys.
Define action sets and digital/analog actions → starter VDF-style KeyValues + naming checklist.
Model keyboard ↔ gamepad switching, debounce, disconnect — state notes and Mermaid diagram export.
Questionnaire against Deck guidance: readability, launcher, gamepad-first, resolution — scored report.
Map save roots to Auto-Cloud rules per OS; warnings and Steamworks setup checklist.
Storefronts × OS × demo/beta/internal → matrix, branch names, and artifact slug suggestions.
App and depot build VDF templates plus field validation and upload checklist.
Paste a log → bucketed findings (graphics, Steam, plugins, saves…), optional path redaction.
Steam still shows Running after quit? Subprocess, SteamAPI_Shutdown, and quit-order checklist — Markdown export.
Wrapper-aware bootstrap order, C# starter snippets, dual-store notes, and QA relaunch checklist.
RunCallbacks placement for client/server, threading notes, feature matrix, regression checklist.
Partner publish vs client cache vs branches — rollout and QA handoff for ‘code works but Steam doesn’t show it’.
Categories, tradability, bundles/consumables — draft itemdef-oriented JSON + policy warnings.
InvalidParam and common codes — ranked causes, path checks, legal/preview metadata checklist.
Storefronts, concurrency, cross-store, cost — scored recommendation and phased migration.
Menus/HUD presets → flow diagram, screens.json, UXML or UGUI notes, UIScreenRouter stub — export bundle.
Categories, PlayerPrefs/JSON/SO — schema, keys registry, storage stub, migration notes, UXML outline.
Field list → ViewModel, Binder, UXML placeholders, BindingNotes.md for Unity 6 runtime binding.
Footsteps, hit frames, VFX… → AnimationEventId enum, bus + receiver stubs, marker naming guide.
VN/RPG/barks → dialogue-schema.json, C# node/runner stubs, sample YAML, localization key plan.
Game type, repo, UI stack → FolderTree.txt, CONVENTIONS.md, .gitignore starter, packages list.
GitHub Actions, GitLab, Jenkins, Azure Pipelines, CircleCI, Bitbucket — per-host YAML, matrix targets, cache & secrets notes.
Content Survey categories → disclosure draft, evidence CSV, legal review checklist — Markdown export.
Screen-flow JSON, UXML/USS skeleton, ViewModel stub, localization keys — export bundle.