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# easy-image-tools
Browser-based image utility toolkit — no server, no data upload, everything runs
locally in your browser.
Inspired by online services like onlinepngtools.com, but fully offline-capable
and open source.
## Features
- **A full set of image tools** across categories: conversion,
transparency/alpha, color, channel decomposition, geometry, filters,
pixel-property masks, generation, text/watermarks, analysis & verdicts — the
current list lives in [`docs/tools-map.md`](docs/tools-map.md)
- **Web Worker execution** — heavy operations run off the main thread with
automatic fallback to direct calls
- **i18n** — full Russian and English localization
- **Dark/Light themes** — persisted to localStorage
- **Pure TypeScript core** — `lib/core/` operates on
`ImageData`/`Uint8ClampedArray` with no DOM dependency
- **Fully static** — no backend; the image never leaves your browser. The only
third-party request is a Google Analytics page-view counter — it never sees
the file or its contents; the boundary and its limits are in
`docs/plan-seo.md` §0
## Tech Stack
- **SvelteKit** (Svelte 5, runes mode) with static adapter — pure static export,
no server
- **Vite** + **TypeScript** (strict)
- **Vitest** for unit tests, **Playwright** for e2e
- **ESLint** (incl. local plugins) + Stylelint + Prettier
- **pnpm** (required, ^11.20.0)
- **Lucide** icons, **IBM Plex** fonts (self-hosted)
## Getting Started
### Prerequisites
- [pnpm](https://pnpm.io/) v11.20+
### Install & Run
```bash
pnpm install
pnpm dev
```
### Build
```bash
pnpm build
```
Static output is written to `web/build/`.
### Commands
Run from the repository root; `pnpm --dir web …` targets the app package.
```bash
pnpm install
pnpm dev # dev server
pnpm verify # full fast quality gate — the pre-review gate
pnpm build # static production export → web/build/
```
For the full command list and the "which checks to run for which change" matrix,
see [`AGENTS.md`](AGENTS.md) and
[`docs/quality-gates.md`](docs/quality-gates.md).
## Architecture
Everything is built around the **two-layer registry** (`web/src/lib/registry/`):
a tool is a self-contained implementation `{id, schema, input, result, run}`
(`registry/tools/`), and a page is `{slug, title, description, category, steps}`
(`registry/pages/`) that names the address and the tools to run — one tool can
back several pages. Pages and forms are generated from it, and all execution
goes through a single `executor.execute` entry point.
Core image processing lives in `web/src/lib/core/` and operates directly on
`ImageData`, with no browser API dependencies.
Layering, data flow, and the recipe for adding a tool or a field kind:
[`docs/architecture.md`](docs/architecture.md).
## Roadmap
See [`docs/roadmap.md`](docs/roadmap.md) for phases and
[`docs/plan-platform.md`](docs/plan-platform.md) for the API/PWA direction. The
current focus is SEO/GEO ([`docs/plan-seo.md`](docs/plan-seo.md)) plus the
product tasks in [`docs/backlog.md`](docs/backlog.md).
## For AI agents
Read [`AGENTS.md`](AGENTS.md) first — it is the mandatory short contract.
## License
[MIT](LICENSE)