Where is my accounting data stored?

GrindCash uses a local-first architecture. Your data is stored exclusively on your local device as a SQLite (.cash) file via the File System Access API. It is never uploaded to any cloud server.

Yes. Before saving, your database is strongly encrypted locally using AES-256-GCM via the Web Crypto API. Without your password, the data is completely inaccessible.

GrindCash - Serverless Edition

A secure, serverless, offline-first cash management and accounting hub.

GrindCashは、サーバー不要・完全オフラインで動作するローカルファーストの会計中継アプリです。AES-256-GCM暗号化とWebAssembly SQLiteを採用し、安全なデータ管理を実現します。

Key Features:

Local-First: Runs entirely in your browser using WebAssembly SQLite. No SaaS subscriptions, no servers.
Secure: Client-side AES-256-GCM encryption for your database files.
Offline Ready: Progressive Web App (PWA) support for full offline functionality.
Features: CSV import/export, multi-currency support, and hashtag-based project aggregation.

GrindCash

Starting SQLite engine...

Assign CSV columns to GrindCash fields.

Preset Configurations

Date (Opt)

Account (Opt)

Memo

Amount

Data Preview

Skip first rows

Encoding:

GrindCash

Failed to start application

Drop .cash file here to open