Nijia.app
Understand what is using your Mac's storage — System Data, caches, build artifacts and worktrees — then clean up only what can be rebuilt.
A startup from Hong Kong that is founded by lilsnake.
Understand what is using your Mac's storage — System Data, caches, build artifacts and worktrees — then clean up only what can be rebuilt.
A startup from Hong Kong that is founded by lilsnake.
This page is designed to help you find out whether Nijia.app is good and if it is the right choice for you.
See what's really using your Mac's storage.See how much space your projects and worktrees use, understand what can be rebuilt, and decide what to keep.
Listed in
Storage overview
Review the local estimates first, then decide what moves to the Trash. User folders only, entirely on this Mac.
Clean
Suggestions are grouped by app and category, and every item stays reviewable before cleaning. Selected
Ai Organize
Turn a cluttered folder into a reviewable local proposal. Only file names and local metadata are read, and nothing moves before you confirm.
Space Analyze
Disk Space Analyzer finds the biggest files and folders that eat up precious hard drive space. You can scan your disk file structure, analyze the remaining disk ...
System status
CPU, memory, disk, network and processes in real time; refreshed every second and shown only on this Mac.
Nijia is a local-first macOS storage app in development with a focused starting point: developer workspaces. It helps people inspect authorized project folders, understand Git worktrees and related derived files, and review the evidence before taking cleanup action. A large node_modules folder or build output is not automatically disposable. Nijia is designed to explain what an item is and what rebuilding or removing it could mean, while leaving the final decision with the user.
Choose Nijia if you want to understand the context behind Mac disk usage before cleaning up. Its review-first workflow is designed for active coding projects: inspect an authorized workspace, consider Git and Agent activity, review individual artifacts, and explicitly confirm before moving selected items to Trash. Nijia is being developed for Mac users who value a careful, explainable storage cleanup process. Broader Mac-wide disk analysis is still in development.
Nijia is being built for Mac developers, indie makers, and technical teams who manage active repositories, linked Git worktrees, dependencies, caches, and build outputs. It is especially relevant to people using tools such as Git, Codex, or Claude who want to understand what is using space in their coding workspaces before deciding what can be rebuilt or cleaned up.
Nijia grew from a practical problem: cleaning a Mac is difficult when file size alone does not tell you whether something is safe to remove. In a development workspace, generated files sit beside source code, active work, and local changes that may be hard to reproduce. Nijia is being built to bring that context into the cleanup decision, so Mac users can inspect first, review the evidence, and choose what happens next.
The Nijia desktop app is built with Rust and Tauri 2, with a React and TypeScript interface. Rust powers the native application core, while Tauri connects it to the macOS desktop environment. The stack supports Nijia’s local-first approach to inspecting storage and development workspaces on Mac.
We are building for Mac developers and indie makers who need a clearer view of storage used by coding projects, Git worktrees, dependencies, and build artifacts.
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Is Nijia.app good? This is an informative page that will help you find out. Moreover, you can review and discuss Nijia.app here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.
