How to compress Images in Bulk for free inside your Mobile phone

Are you looking for a way to free some storage space or reducing the size of your images without loosing quality and other meta info and you are limited to your mobile device

So today i show you a free and easy way to do that, and for this task you just need your Android Device and an App called FFmpegRuntime

Follow these steps one by one

Install FFmpegRuntime in your device
Open it and complete or skip user onboarding guide
Go-to files tab click on bottom right floating Add + button
Now you have two options visible now click on Grant folder button
Now select the folder in which your Images stored in like most android devices stores images in DCIM/Camera go-to there and click on Use this folder
And now you are able to see your selected folder name in top of files tab top header click on it
Now go-to terminal tab and select your folder name on top folders chips
After that run the following command in by pasting inside command input field and clicking on execute/run button

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runtime compress

Now you need to wait for sometime until it gets completed and you can put this work in background by clicking on keep in background button so you can do other things in your device

If you want to tweak some comprehension behaviour you can follow dedicated helps instructions which shows by executing this command

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runtime compress --help

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Usage: runtime compress [flags]
Flags: -inplace           replace originals (default: keep them, save copies to Compressed/)
       -duplicate         keep originals (default)
       -codecs EXT=ENC..  pick the encoder per format, e.g. -codecs mp4=x265 mkv=libx264
       -cf "FFMPEG ARGS"  extra ffmpeg flags for the last -codecs mapping
                          aliases: -codecFlags, -c-f
       -h, --help         show this help
WARNING: inplace mode deletes the original files after a successful compression.
Encoders: use a name the runtime lists (ffmpeg -encoders), or an alias:
          x264 x265 h264 hevc vp9 av1 mp3 aac opus vorbis flac pcm jpeg webp png
          an unavailable encoder is an error; without -codecs the best available is picked
          missing a codec? add a custom runtime in System; assistants can switch installed runtimes
Hardware: MediaCodec encoders get -operating_rate 280 automatically; override in -cf
Audio: mp3, m4a, aac, wav, flac, ogg, opus are compressed too (wav -> lossless flac)
Covers: videos (mp4, mov, m4v, 3gp, mkv, ts), photos (jpg; png/gif/bmp/webp when mapped), audio
Sizes: videos long edge capped at 1920, photos at 2560; best effort per format
Skips: HEIC, WebM and unmapped formats, plus anything already small or unreadable
Examples:
  runtime compress
  runtime compress -inplace -codecs mp4=x265 -cf "-preset slow -crf 20"
  runtime compress -codecs mp3=mp3 -cf "-q:a 2"

How to compress Images in Bulk for free inside your Mobile phone

Follow these steps one by one

You can see Video Tutorial as well here

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