json

FinConv

Finance

FinConv converts bank statements into Excel, CSV, or JSON. Upload PDF, JPG, or PNG files, preview the extracted transactions, and download after free sign-in.

QuickDevBox

Design

QuickDevBox is a browser-based suite of developer utilities for JSON, JWT, subnetting, crypto, minification, and image tasks, with 100% client-side processing and no server tracking.

DeepSeek Harness MCP Schema Calculator

AI

A browser-only tool that calculates exact UTF-8 bytes of MCP tool-schema JSON, compares it with MCP Lens's 2-tool benchmark, and shows your catalog tax reduction without uploading data.

Academic CV Builder

Education

Academic CV Builder lets you create an academic CV in your browser without an account. It supports local PDF export, JSON backups, and English or Simplified Chinese content.