Free, fully offline Android app to print documents, photos, web pages and scans to almost any WiFi printer, with on-device AI (OCR, summarize, translate). No account, no ads, no paywall, nothing uploaded.
| Home | Documents | Photos | Web to PDF | History |
|---|---|---|---|---|
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- Documents: PDF, images, and on-device conversion of DOCX, XLSX, PPTX, CSV, TXT (see limits below).
- Photos & scans: multi-select, reorder (drag), crop, rotate, filters, auto-enhance, undo; 1/2/4/6/9 per sheet, fit or fill, borderless.
- Scanner: Google ML Kit Document Scanner (no camera permission needed), with camera-permission fallback scanner on devices without Play services.
- Web pages: URL to PDF via Android WebView print engine.
- Preview: paper size (A4, Letter, A5, Legal, 4x6"), orientation, share PDF.
- Printing: Android print framework (Mopria / IPP / vendor plugins: copies, page range, colour in the system dialog), or direct IPP to printers discovered by mDNS (
_ipp._tcp) with copies. - On-device AI: ML Kit OCR; summarize & translate with MediaPipe LLM Inference (
flutter_gemma). Default model Qwen2.5 1.5B Instruct q8 (1.5 GB, Apache-2.0, no account/token); light option Qwen2.5 0.5B (521 MB); Gemma 3 1B optional with a Hugging Face token. Download once (pause/resume), then fully offline. - History: stored locally only.
| Format | Supported | Not supported |
|---|---|---|
| DOCX | paragraphs, headings/title, bold/italic/underline/size/colour, alignment, bullet/numbered lists (as bullets), tables, inline PNG/JPEG images, page breaks | exact fonts & spacing, headers/footers, footnotes, text boxes, floating images, charts, SmartArt, EMF/WMF, columns, merged-cell spans |
| XLSX | all sheets as tables (strings, numbers, booleans, cached formula results), up to 3000 rows × 40 columns, auto landscape | cell formatting/colours, number formats/dates (raw values), merged cells, charts, images |
| PPTX | one page per slide at slide size, text boxes & placeholders positioned by frame, font size/bold/italic/colour, pictures | themes/backgrounds, layout-inherited positions (approximated), shapes/fills, group offsets, charts, animations |
| CSV / TXT | full | — |
| DOC / XLS / PPT / ODT / RTF | — | legacy/binary formats: export to DOCX/PDF first |
Fonts: bundled Roboto (Latin incl. Vietnamese). CJK text in Office files will not render.
cd mobile && flutter pub get && flutter test
flutter build apk --release --target-platform android-arm64 --split-per-abiStack: Flutter · Riverpod · go_router · pdf/printing · ML Kit · MediaPipe (Google AI Edge).
legacy-backend/ holds the earlier NestJS API (auth, sync, server-side conversion). The app no longer uses it.