LightCraftRAW photo developer in your browser

RAW photo developer

Your photos. Your pixels. Your machine.

Overview

About LightCraft

A fast photo library and non-destructive raw developer, written from scratch in pure Rust. No account, no cloud, no telemetry, no subscription.

Capabilities

Key Features

Non-destructive by design01

A scene-referred, wide-gamut, 32-bit float pipeline. Your originals are never touched.

Every control you reach for02

Light, color, effects, tone curve, an 8-band color mixer, 3-way color grading wheels and 18 built-in presets.

Precise masking03

Brush, linear and radial gradients, luminance and color ranges, plus sky, subject and background masks.

Native raw decoding04

Pure-Rust decoders for DNG, CR2, ARW, NEF, RAF (including X-Trans), RW2, PEF and ORF, with more on the way.

Instant feedback05

Adjustments preview live as you drag the sliders — no batch render step between you and the image.

Privacy & Safety

Your Files Stay on Your Device

Zero File Uploads

Zero remote transmission. Uncompressed RAW files remain completely on local storage. All processing is computed in your browser using local device memory.

Saving & Exporting

Export developed images directly to disk using standard export presets. Work buffers stay in browser FileSystemAccess and are exported directly to your computer.

Workflows

Common Tasks & Solutions

Develop RAW Camera Files in Browser

Import Sony, Canon, Nikon, and Fujifilm RAW files with full 16-bit dynamic range.

Non-Destructive Exposure & Curve Tuning

Precision tone curves, color balance, highlights, shadows, and sharpening sliders with live GPU previews.

High-Volume Photo Library Management

Star, flag, tag, and organize thousands of photos with instant thumbnail caching.

Q&A

Frequently Asked Questions

Can LightCraft open RAW photos online?+

Yes. LightCraft uses native Rust decoders to process RAW camera files locally in your browser.

Is LightCraft a free alternative to Adobe Lightroom?+

Yes. It offers non-destructive exposure, tone, and color grading without recurring fees.

Specifications

Supported Import Formats

Supported Export Formats

Versionv0.8.0 ↗

Upstream Statusyoung & moving fast (quoted from the project README)

LicenseApache-2.0 / MIT

Source CodeGitHub Repository ↗

Made byArtCraft ↗ (official web build, independently hosted — Plasa.app is not affiliated)

Official pagegetartcraft.com/apps/lightcraft ↗ (desktop installers & downloads)

Say thanks★ Star LightCraft on GitHub ↗ Thanks to the ArtCraft team, who write and maintain it.

Workflow Integration

Companion Creative Applications

Part of the integrated Plasa creative suite. Easily round-trip your assets across these local-first tools:

PhotoCraft

Image editor

The image editor you already know how to use.

VectorCraft

Vector illustration

Vector illustration, reimagined in pure Rust.

FilmCraft

Video editor

Professional video editing, rebuilt from scratch in Rust.