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4 Conversion Types
Image · Document · Archive · Base64
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Fully Offline
Works without internet
security
100% On-Device
Files never leave your phone
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Batch Conversion
Process multiple files at once
Modoo File Converter Main Screen
NEW · v1.0.0

Convert Files,
Right on Your Device

Images, documents & archives — converted without uploading to any server. Works offline, keeps your files private.

  • check_circleJPG·PNG·WEBP·HEIC·PDF·DOCX and more supported
  • check_circle100% on-device — your files never leave your phone
  • check_circleWorks without an internet connection
  • check_circleBatch conversion and conversion history supported
Free on Google Play

4 Conversion Modes, One App

Images, documents, archives and encoding — the conversions you need most, all in one place.

🖼️

Image Conversion

JPG·PNG·WEBP·HEIC·GIF·BMP·TIFF·SVG mutual conversion. Output quality control and batch conversion included.

📄

Document Conversion

PDF·DOCX·XLSX·CSV·TXT·Markdown·HTML·RTF — major document formats, all supported.

🗜️

Archive / Extract

ZIP·7Z·TAR·TAR.GZ·GZIP compression and extraction. Batch compress multiple files at once.

🔠

Base64 Encoding

Text ↔ Base64 real-time encoding/decoding. Results appear as you type.

App Screenshots

Clean interface, instant file conversion.

Image Conversion Screen
Image

Convert Images to Any Format

Convert between 8 image formats right on your device. Freely set the output quality to balance size and clarity.

  • JPG · PNG · WEBP · HEIC · GIF · BMP · TIFF · SVG
  • Adjustable output quality (%)
  • Batch convert multiple images at once
Document Conversion Screen
Document

Document Conversion, Many Formats

Convert the document formats you use every day — PDF, DOCX, XLSX and more. Processed entirely on your device, no server required.

  • PDF · DOCX · XLSX · CSV · TXT · Markdown · HTML · RTF
  • Freely convert between supported formats
  • Share converted files instantly
Archive and Extract Screen
Archive

Archive & Extract in One App

Supports ZIP, 7Z, TAR and more. Select multiple files to compress in one go, or extract archives instantly.

  • ZIP · 7Z · TAR · TAR.GZ · GZIP supported
  • Compress multiple files at once
  • Share or save extracted files immediately
Conversion History Screen
History

Conversion History, Always Accessible

Your recent conversions are saved locally on your device. Open or share any converted file directly from the history — no need to search again.

  • Recent conversions stored on-device
  • Open or share files from history instantly
  • Clear all history to free up storage

Why Modoo File Converter?

3 reasons to trust it

security

Your Files Never Leave Your Device

All conversions happen entirely on your device. No server uploads, no cloud transfers. Even sensitive documents stay private.

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Every Conversion in One App

Images, documents, archives, and Base64 — handled in a single app. No need to install multiple converter apps.

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Use It Ad-Free

Remove ads permanently with a one-time in-app purchase. When ads are removed, the AdMob SDK is also disabled — stopping ad-related data collection entirely.