General Download Renamer

About

## [1.3.0] - 2026-03-10

### 🎆 Major New Features
- **Custom Placeholder Types**: Three types of custom placeholders now available:
  - **Text**: Add static text like "Invoice" or "Report" to filenames
  - **Counter**: Auto-incrementing numbers with zero-padding (e.g., 001, 002, 003)
  - **Regex**: Extract data from URLs using regex patterns (existing behavior)

### ✨ Enhancements
- **Type-aware UI**: Custom placeholder form adapts fields based on selected type
- **Counter reset**: Reset button to restart counter from its start value
- **Name validation**: Prevents reserved names and invalid characters in placeholder names

### 🐛 Bug Fixes
- Fixed review feedback issues for custom placeholder type handling

### 📖 Documentation
- Added design spec and implementation plan for custom placeholder types

 General Download Renamer                                                                                         
   
  Automatically rename your downloads using custom patterns. Build filename templates with a visual drag-and-drop  
  interface — no coding required.                                       

  Features:
  - Drag-and-drop pattern builder with smart placeholders (domain, date, time, original filename, and more)
  - Custom placeholders: add static text, auto-incrementing counters, or extract data from URLs with regex
  - Automatic file categorization into 11 built-in categories (Documents, Images, Videos, and more)
  - Custom separators between filename parts
  - Floating icon on every page for quick enable/disable
  - Real-time filename preview before download
  - All settings sync and persist across browser restarts

  Example patterns:
  - {date}_{originalFilename} → 20260310_report.pdf
  - {category}/{domain}_{originalFilename} → Documents/google.com_report.pdf
  - Invoice_{counter} → Invoice_001.pdf, Invoice_002.pdf, Invoice_003.pdf

  Works with all file types. Fully customizable. No data collected.