LP Builder is a Windows tool to decode APKs, edit text, URLs and logos, change app names and package IDs, then rebuild and sign APK or AAB files. Includes organized projects, saved versions, signing certificate fingerprints and automatic update notifications.







V1.7.3



V1.6.1

LP Builder v1.6.1 — Changelog
- Added a “Try a compatibility fix?” prompt after duplicate-attribute build failures.
- Supports the same repair across different apps for both APK and AAB builds.
- Safely removes identical duplicate XML attributes in a temporary build copy.
- Reports conflicting values with the filename and line number for manual correction.
- Preserves editable project files and the original APK.
- Reuses your selected output format and version settings without increasing the version twice.
- Verified the fix with successful BTV APK and AAB builds.


V1.6.0

LP Builder v1.6.0 — Changelog
New: Complete File Editor
- Right-click a search match and select Edit complete file…
- Opens the entire source file and jumps to the matched location.
- Code-style view with line numbers and line/column status.
- Find next/previous, go-to-line, reload, and undo/redo.
- Keyboard shortcuts: Ctrl+S to save, Ctrl+F to find, Ctrl+G to go to a line.
- Prompts before closing with unsaved changes.
Save Protection
- Automatically creates a checkpoint before saving.
- Preserves file encoding, BOM, and line-ending style.
- Validates XML and JSON before writing.
- Prevents overwriting files changed externally.
- Clears outdated search results after saving.
- Supports text files up to 8 MB.
- Saved edits remain compatible with Undo all edits.


V1.5.2

From v1.3.0 to v1.5.2, LP Builder gained:
- App identity editing: change the app’s display name and package name, with a review of affected files and compatibility notes.
- Build improvements: fixes for resource compilation, APK packaging, alignment, and installation issues.
- Signing fingerprints: view and copy the signing certificate’s SHA-1 and SHA-256 for Google services.
- Update notifications: check the forum at startup, skip checks offline, and show an Update now button when a newer release is found.
- Ads tab: scan supported advertising components, review findings, disable selected items, and restore the checkpoint.
- Image improvements: safer logo replacement, handling of locked/read-only files, and opening images in Windows by button or double-click.
- Clear operation feedback: animated loading, elapsed time, and lasting completion, failure, or cancellation messages.
- Translate tab: manually translate offline or use your own Google Cloud Translation API key. Review results, preserve placeholders, and save checkpoints before applying.
- Translation search: filter scanned text by words or phrases without losing edits or selections.
- Project cleanup: delete individual projects or saved versions through confirmation and the Windows Recycle Bin.



V1.1.0




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