MediaToolbox | Free App to Convert Video, Images & PDFs

"This video file is too big to send." "I want to resize an image right on my phone." "I need to turn this PDF into images." If you're hunting for a different app every time, MediaToolbox brings video, image, audio, and PDF conversion together into one free app.

In short: with MediaToolbox installed, you can handle nearly all your video, image, and PDF conversion needs without a computer.

MediaToolbox icon

MediaToolbox

A simple multimedia conversion tool that handles video, images, audio, and PDFs all in one place. The first app to reach for whenever you need to convert something.

📲 Free Download

Who is this for?

MediaToolbox is a good fit if you've run into any of these on your phone:

  • A video file too large to send over LINE or email
  • A video format that won't play, and you need it in standard MP4
  • Wanting to resize an image (width/height) right on your phone
  • Needing to convert between image formats (JPEG/PNG/WEBP)
  • Wanting to turn a PDF into images, or images into a PDF
  • Needing to pull just the audio out of a video

Key features

FeatureWhat it does
Resize VideoConvert to MP4 at your choice of resolution — 1080p, 720p, 360p, and more
Resize ImageFreely set width and height, with an optional aspect-ratio lock
Extract AudioPull just the audio track out of a video and save it as M4A
PDF to ImagesExport every page of a PDF as JPEG or PNG
Images to PDFBuild a PDF from photos taken with the camera or already saved on your phone
MediaToolbox home screen screenshot MediaToolbox video resize screen screenshot MediaToolbox image resize screen screenshot

How it works

The basic flow is the same across every feature: open the app, pick the file (video, image, or PDF) you want to convert, set the output condition (resolution, size, or format), and tap "Convert & Save." Step-by-step guides for each feature are linked below.

MediaToolbox is an Android-only app. It is not available for iPhone (iOS).

FAQ

Q. Is MediaToolbox free to use?

A. Yes. You can download it for free from Google Play.

Q. Can I convert video without a computer?

A. Yes. Resolution changes, MP4 conversion, and compression can all be done entirely on your Android phone.

Q. Can I resize or convert images too?

A. Yes. You can resize by width and height (with an optional aspect-ratio lock), and convert between JPEG, PNG, and WEBP.

Q. Does it handle PDF conversion?

A. Yes. You can export every page of a PDF as a JPEG or PNG, or build a PDF from images.

Q. Can I extract just the audio from a video?

A. Yes. You can extract just the audio track from a video and save it as an M4A file.

Struggling with video or image conversion?

Stop hunting for a different app every time — install MediaToolbox once, and it's covered from here on.

📲 Free Download
Author: Yuichi Sato (entrepreneur and app developer). Read the full profile here.