nextgen_pdf_editor 1.2.0 
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A lightweight, feature-rich PDF editing toolkit for Flutter. Supports text, drawing, image addition, and annotations.
Changelog #
All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
1.2.0 - 2025-08-18 #
π Large PDF Handling & Stability Fixes
- Added batch processing for large PDFs to prevent memory issues.
- Improved save efficiency by skipping unmodified pages.
- Optimized memory & I/O usage with incremental saves.
- Kept UI responsive during long operations.
- Fixed PDF re-open slowdown, last-page save issues & memory leaks.
1.1.0 - 2025-08-06 #
β¨ Performance Upgrade & Enhancements
- Multi-threaded PDF Saving: Heavy PDF processing tasks like drawing, annotation embedding, and image rendering are now handled in a separate isolate, significantly improving UI responsiveness during save operations.
- Improved Drawing Accuracy: Fixed page-index mismatch ensuring correct drawings appear on their respective pages.
- Stability Improvements: Reduced memory usage and improved efficiency during multi-page PDF edits.
1.0.0 - 2025-04-10 #
π Initial release! & fixes
- PDF Editing Features: Introduced the ability to add and edit text boxes with resizing and repositioning.
- Freehand Drawing: Added freehand drawing with full undo/redo support.
- Image Insertion: Users can insert images into PDFs and manipulate their position and size.
- Annotations: Support for highlight and underline annotations with color customization.
- Interactive Toolbar: Dynamic toolbar for switching between drawing, text, annotation, and image modes.
- Full PDF Saving: Users can save their edits back to a new PDF file, with all modifications, including text, drawings, and annotations.
- Multi-page Support: Full support for multi-page PDFs with navigation and page-wise editing.
0.0.1 - 2025-04-10 #
π Initial release!
- PDF Editing Features: Introduced the ability to add and edit text boxes with resizing and repositioning.
- Freehand Drawing: Added freehand drawing with full undo/redo support.
- Image Insertion: Users can insert images into PDFs and manipulate their position and size.
- Annotations: Support for highlight and underline annotations with color customization.
- Interactive Toolbar: Dynamic toolbar for switching between drawing, text, annotation, and image modes.
- Full PDF Saving: Users can save their edits back to a new PDF file, with all modifications, including text, drawings, and annotations.
- Multi-page Support: Full support for multi-page PDFs with navigation and page-wise editing.
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Metadata
A lightweight, feature-rich PDF editing toolkit for Flutter. Supports text, drawing, image addition, and annotations.
Documentation
License
BSD-3-Clause (license)
Dependencies
flutter, flutter_colorpicker, flutter_drawing_board, image_picker, open_file, path_provider, syncfusion_flutter_pdf, syncfusion_flutter_pdfviewer
