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CHANGELOG.md

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Changelog

All notable changes to PDF Content Extractor & Translator are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Planned

  • PDF/A compliance conversion
  • Batch translation for multiple documents
  • OCR quality enhancement
  • Custom font upload for annotations
  • Language auto-detection

[1.0.0] - 2025-12-15

🎉 Initial Release

The first stable release of PDF Content Extractor & Translator, featuring a complete suite of privacy-focused PDF tools.

Added

Core Extraction

  • Full Document Extraction — Convert PDFs to Word (.docx) with structure preservation
  • Table Extraction to CSV — Automatically detect and export tables
  • Table Extraction to Word — Export tables in document format
  • ODT Export — OpenDocument Text format support

Translation

  • Offline Translation — 9 languages supported via Argos Translate
    • English, Spanish, French, German, Italian, Portuguese, Polish, Russian, Dutch, Chinese
  • No API Keys Required — Fully local translation processing

PDF Editor

  • Text Annotations — Add text anywhere on PDF pages
  • Highlight Tool — Mark important sections
  • Redaction Tool — Permanently remove sensitive content
  • Shape Annotations — Rectangle, ellipse, line, arrow tools
  • Digital Signatures — Draw, type, or upload signature images
  • Sticky Notes — Add comment annotations

Page Operations

  • Insert Pages — Add blank pages or pages from other PDFs
  • Delete Pages — Remove unwanted pages
  • Rotate Pages — 90° clockwise/counter-clockwise rotation
  • Reorder Pages — Drag-and-drop page reorganization

PDF Tools

  • Merge PDFs — Combine multiple documents into one
  • Split PDF — Extract page ranges into separate files
  • Compress PDF — Reduce file size via Ghostscript
  • Compare PDFs — Visual diff between document versions
  • Repair PDF — Attempt to fix corrupted files
  • PDF to JPG — Export pages as images
  • Watermark — Add text watermarks to all pages

AI Features

  • Local AI Chat — Q&A about PDFs via Ollama
  • Document Indexing — RAG-based retrieval with ChromaDB
  • ReAct Agent — Agentic workflow with tool calling
  • Multi-Model Support — Switch between installed Ollama models

User Interface

  • Dark Mode — System-aware theme toggle
  • Ribbon Toolbar — Office-style tabbed interface
  • Thumbnail Sidebar — Page navigation with previews
  • Command Palette — Keyboard-driven command access (Ctrl+K)
  • Batch Operations — Multi-select actions on home page
  • Bug Reporter — Built-in issue reporting with logs

Infrastructure

  • Docker Support — One-command deployment
  • Celery Workers — Background task processing
  • Redis Queue — Reliable task management
  • Structured Logging — Rotating log files with levels

Integrations

  • MCP Server — Model Context Protocol for AI assistants
  • CLI Scripts — Command-line extraction tools

Security

  • All processing happens locally — no cloud uploads
  • Path traversal prevention via secure_filename()
  • Input validation on all API endpoints

[0.9.0] - 2025-11-01

Added

  • Beta release for internal testing
  • Core extraction functionality
  • Basic annotation tools
  • Initial translation support

Known Issues

  • Large PDFs (>100 pages) may timeout
  • Some table layouts not detected correctly

[0.8.0] - 2025-09-15

Added

  • Alpha release
  • PDF viewing and navigation
  • Basic page operations

Changed

  • Migrated from pdfminer to Docling for extraction

Version History Summary

Version Date Highlights
1.0.0 2025-12-15 First stable release with all core features
0.9.0 2025-11-01 Beta with extraction and translation
0.8.0 2025-09-15 Alpha with PDF viewing

Upgrade Notes

Upgrading to 1.0.0

  1. Docker Users:

    docker-compose pull
docker-compose up --build

  2. Manual Installation:

    git pull origin main
pip install -r requirements.txt

  3. Breaking Changes: None from 0.9.x

Links

For feature requests and bug reports, please use GitHub Issues.