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This guide will walk you through setting up gallery-dl, a powerful command-line program, on your Android device using Termux for automated downloads. We'll focus on a specific setup that leverages root access to use your Chrome browser's cookies for sites requiring login and saves downloads to a designated folder.
- Introduction
- Important Disclaimer
- Requirements
- Step-by-Step Instructions
- How to Use Your Automated Downloader
- Customizing the Script (For Other Browsers/Preferences)
- Frequently Asked Questions (FAQs)
- Troubleshooting Common Issues
- Contributing & Support
- Image Integration Suggestions (For Guide Maintainers)
Welcome! This guide will help you get gallery-dl running on your Android device using the Termux application.
What is gallery-dl?
gallery-dl is a versatile command-line program designed to download image galleries and collections from a multitude of websites. You can find more about it on its official GitHub page: gallery-dl on GitHub.
What will this guide help you achieve?
- Install
gallery-dlin Termux on your Android device. - Set up a
termux-url-openerscript for automated downloads: when you "Share" a URL from your browser to Termux, the script will automatically rungallery-dl. - Configure
gallery-dlto use your Chrome browser's cookies for accessing content requiring login (this specific method requires your device to be rooted). - Ensure downloads are saved to a specific folder (
gallery-dl_downloads) within your main Android "Downloads" folder.
Brief overview of Termux and termux-url-opener:
- Termux: A powerful terminal emulator and Linux environment for Android. It allows you to run many command-line tools. It's recommended to get it from F-Droid for the most up-to-date and reliable version. More info can be found on the Termux GitHub.
termux-url-opener: A special script Termux uses to handle URLs shared to it from other apps. We'll customize this script to triggergallery-dl.
This guide aims to be step-by-step and accessible, even if you have limited experience with command-line interfaces.
- Root Requirement: The specific script and cookie access method detailed in this guide for Chrome requires your Android device to be rooted. If your device is not rooted, you can still use
gallery-dl, but you will need to explore alternative authentication methods (e.g., manually exporting cookies to a file, using username/password if supported bygallery-dlfor the site, etc.), which are beyond the primary scope of this guide. - Script Specificity: The provided
termux-url-openerscript is tailored for using Chrome cookies on a rooted device. While it works effectively for this scenario (as confirmed by the author of this guide request), you might need to adapt it if your setup or preferences differ (see the Customizing the Script section). - Use Responsibly: Always respect website terms of service and copyright when downloading content.
- Android Device (Rooted): Essential for Chrome cookie access as described.
- Termux App: Installed, preferably from F-Droid.

- Chrome Browser: Installed, and you should be logged into any websites (e.g., Instagram) from which you intend to download restricted content.
- Root Management App (e.g., Magisk, KSU, Apatch or Any Other Of Your Choice): For granting Termux root permissions.
- Internet Connection.
- Sufficient Device Storage.
-
Install Termux:
- Download and install the Termux app from F-Droid if you haven't already.
-
Initial Termux Setup:
-
Open Termux.
-
Update Packages: Keep your environment fresh. Type and run:
pkg update && pkg upgrade- Confirm with
Yif prompted. For configuration file prompts, typingN(to keep current version) is usually safe.
- Confirm with
-
Request Storage Access: This allows Termux to save files to your shared "Downloads" folder.
termux-setup-storage
-
-
Install Python:
gallery-dlneeds Python. In Termux:pkg install python
- Confirm with
Yif prompted.
- Confirm with
-
Install
gallery-dlusing pip:pipis Python's package manager.pip install --upgrade gallery-dl
This script will enable the "Share to Termux" automation.
-
Create the
bindirectory: This is where Termux looks for user scripts.mkdir -p ~/bin -
Create the script file: The
termux-url-openerscript needs to be created in the~/bin/directory. Its full path will be:/data/data/com.termux/files/home/bin/termux-url-opener.-
Method A: Using
nano(command-line text editor in Termux) This is the primary method described for creating the script within Termux.nano ~/bin/termux-url-opener -
Method B: Using a GUI Text Editor or File Manager App (Alternative for easier editing) If you find command-line text editing challenging, you can create or edit the
termux-url-openerscript using a graphical application.- Suitable Apps:
- A simple text editor app installed on your Android device.
- A root-enabled file manager that includes a text editor, such as MT Manager or ZArchiver. These apps can navigate to Termux's internal storage if they have root access.
- Steps for GUI method:
- Using your chosen app, navigate to the script's directory path:
/data/data/com.termux/files/home/bin/
- Create a new file named
termux-url-opener(ensure it has no hidden.txtextension if your editor tends to add one). Or, if you've already created it withnanobut want to edit it graphically, simply open the existing file. - Paste or type the script content (from the next step) into this file using the app's text editor.
- Important for external editors: Ensure the file is saved with Unix-style line endings (LF). Some text editors, especially if you were to create the file on a Windows PC and transfer it, might use Windows-style line endings (CRLF), which can cause scripts to fail on Linux-based systems like Termux. Most good mobile text editors or file manager editors should handle this correctly by default.
- Using your chosen app, navigate to the script's directory path:
- Suitable Apps:
-
-
Paste the script content: Whether you are using
nano(as per Method A above) or an external GUI editor (Method B), this is the specific script tailored for this guide. Copy and paste it exactly into thetermux-url-openerfile:#!/data/data/com.termux/files/usr/bin/bash # Ensure the Termux binary directories are in PATH export PATH=/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/home/bin:$PATH # Full path to gallery-dl to avoid "not found" GALLERY_DL=/data/data/com.termux/files/usr/bin/gallery-dl # Define the target download directory DOWNLOAD_DIR_GALLERY_DL="/data/data/com.termux/files/home/storage/downloads/gallery-dl_downloads" # Note: gallery-dl will create this directory if it doesn't exist. # Use root to run gallery-dl and specify the output directory exec su -c "$GALLERY_DL --directory \"$DOWNLOAD_DIR_GALLERY_DL\" --cookies-from-browser chrome:/data/data/com.android.chrome/app_chrome/Default \"$1\""
-
Understanding the script:
#!/data/data/com.termux/files/usr/bin/bash: The "shebang" line, tells Android to use Termux'sbashto run the script.export PATH=...: Ensures the script can find commands likesuandgallery-dl, as the environment when called via "Share" can be minimal.GALLERY_DL=...: Defines the full path togallery-dlfor reliability.DOWNLOAD_DIR_GALLERY_DL=...: Sets the download location to~/storage/downloads/gallery-dl_downloads(a folder namedgallery-dl_downloadsin your main Android Downloads folder).exec su -c "$GALLERY_DL ...": The core command.su -c: Executes the following command string as root (superuser), which is vital for accessing Chrome's protected cookie files.--directory \"$DOWNLOAD_DIR_GALLERY_DL\": Instructsgallery-dlto save files to our defined download folder.--cookies-from-browser chrome:/data/data/com.android.chrome/app_chrome/Default: Tellsgallery-dlto use cookies from Chrome's default profile path (requires root).\"$1\": Passes the URL you shared (the first argument to the script) togallery-dl.
-
Saving the script:
-
If using
nano:-
Press Volume Down + X (this acts as Ctrl+X in Termux, which is the command to Exit).
-
nanowill now ask at the bottom of the screen: "Save modified buffer? (Y/N)" (This means: do you want to save your changes?). TypeY(for Yes). -
Next,
nanowill show "File Name to Write:~/bin/termux-url-opener". The filename should already be correct as you opened it with this name. Press Enter to confirm and save the file.
- After pressing Enter,
nanowill close, and you'll be returned to the Termux command prompt. Your script is now saved with the changes.
-
-
If using a GUI Text Editor / File Manager App:
- Use your app's specific "Save" function or option to save the changes you made to the
termux-url-openerfile. - Double-check that the file is saved in the correct location:
/data/data/com.termux/files/home/bin/and with the exact nametermux-url-opener(no extra extensions like.txt).
- Use your app's specific "Save" function or option to save the changes you made to the
-
-
Making the script executable: For the script to run, it needs execute permissions. Based on practical experience that indicates comprehensive permissions are sometimes needed for reliable operation when invoked via Android's share mechanism, the following methods are provided.
-
Method 1: Using
chmodcommand in Termux (Recommended) This command sets full read, write, and execute permissions for owner, group, and others, plus special SUID, SGID, and Sticky bits.chmod 7777 ~/bin/termux-url-opener- Explanation:
7777sets special bits (SUID, SGID, Sticky) andrwxrwxrwxpermissions. While highly permissive, this is suggested based on user experience for this specific script's invocation context. Thesu -cwithin the script is what primarily handles privilege escalation forgallery-dl.
- Explanation:
-
Method 2: Setting Permissions via a Root-Enabled File Manager (e.g., MT Manager)
-
Navigate to
/data/data/com.termux/files/home/bin/in your root file manager. -
Long-press
termux-url-opener, select "Properties". -
Find "Permissions", tap "Modify".
-
Check ALL boxes for "Read", "Write", "Exec" (for Owner, Group, Other) AND ALL "Special Permissions" boxes ("Set UID", "Set GID", "Sticky").
-
Apply/save changes.
-
-
-
Grant Root Access to Termux:
- The first time the script runs
su -c, your root management app (e.g., Magisk) will ask to grant Termux root permissions. Grant this request. If you miss it, open your root app and grant it manually. (Image Suggestion: Screenshot of a Magisk/SuperSU root request pop-up)
- The first time the script runs
-
Sharing a URL to Termux:
-
How it works:
- Android sends the URL to your
~/bin/termux-url-openerscript. - The script runs
gallery-dlas root, using Chrome cookies, and saves files to the folder specified in the script. Termux may show command-line activity.
- Android sends the URL to your
-
Finding your downloaded files:
- Files are saved in the
gallery-dl_downloadsfolder inside your main Android "Downloads" folder. (Within Termux, the path is/data/data/com.termux/files/home/storage/downloads/gallery-dl_downloads). Use your phone's file manager to access them.
- Files are saved in the
The termux-url-opener script provided in this guide is specifically configured for:
- Using Chrome browser cookies.
- A device that is rooted (to access Chrome's internal cookie storage).
- Saving to a specific download directory (
~/storage/downloads/gallery-dl_downloads).
This setup works very well for the described scenario. However, you might want to adapt it if:
- You prefer to use a different browser (e.g., Firefox for Android).
- Your device is not rooted (requiring a different cookie/authentication method).
- You want to change other
gallery-dloptions.
General tips for customization:
-
Changing the Browser for Cookies:
- You'll need to find the cookie database path for your desired browser on Android (this usually requires root).
- Modify the
--cookies-from-browseroption in the script. For example, for Firefox, it might look something like:# Example for Firefox (path may vary, ensure your_profile.default is correct) # COOKIE_PATH="firefox:/data/data/org.mozilla.firefox/files/mozilla/your_profile.default" # exec su -c "$GALLERY_DL --directory \"$DOWNLOAD_DIR_GALLERY_DL\" --cookies-from-browser $COOKIE_PATH \"$1\""
- Consult the gallery-dl documentation on Authentication for supported browser keywords and paths.
-
Non-Rooted Devices:
- Accessing internal browser cookie databases directly usually requires root.
- For non-rooted devices, you might need to:
- Manually export cookies from your desktop browser to a
cookies.txtfile, transfer it to your Android device, and use thegallery-dl --cookies /path/to/your/cookies.txtoption. - Use username/password authentication if
gallery-dlsupports it for the target site (-u your_username -p your_password), though this is generally less secure and might trigger 2FA.
- Manually export cookies from your desktop browser to a
-
Changing Download Directory:
- As explained in FAQ Q5, you can modify the
DOWNLOAD_DIR_GALLERY_DLvariable in the script.
- As explained in FAQ Q5, you can modify the
-
Adding Other
gallery-dlOptions:- You can add any other valid
gallery-dlcommand-line options within theexec su -c "..."string. For example,--verbosefor more detailed output, or options to control filename formatting. Refer to the gallery-dl command-line options documentation.
- You can add any other valid
Always test your script modifications carefully!
-
Q1: The
termux-url-openerscript doesn't run when I share a URL.- A: Check: script location (
~/bin/termux-url-opener), exact name,7777permissions (ls -l ~/bin/termux-url-opener), correct shebang (#!/data/data/com.termux/files/usr/bin/bash), presence ofexport PATH...line in script, Termux is selected in "Share" menu, Termux has root access (forsu -c).
- A: Check: script location (
-
Q2: I get "
gallery-dl: inaccessible or not found" when the script runs.- A: Ensure
gallery-dlis installed (pip install --upgrade gallery-dl). TheGALLERY_DLvariable andexport PATHin your script should correctly point to it. Verify withwhich gallery-dlin Termux.
- A: Ensure
-
Q3: "HttpError: 401 Unauthorized" or "NotFoundError".
- A: Ensure you're logged into the site in Chrome. Verify the Chrome cookie path in the script (
/data/data/com.android.chrome/app_chrome/Default) is correct. Confirm Termux has root access. The URL might be private or mistyped.
- A: Ensure you're logged into the site in Chrome. Verify the Chrome cookie path in the script (
-
Q4: Can I use cookies from other browsers?
- A: Yes, but it requires modification. See the Customizing the Script section above.
-
Q5: Where are my files downloaded? And can I change this location?
- A: With the current script, files download to
gallery-dl_downloadsinside your main Android "Downloads" folder (Termux path:/data/data/com.termux/files/home/storage/downloads/gallery-dl_downloads). - To change this, edit the
DOWNLOAD_DIR_GALLERY_DLvariable in your~/bin/termux-url-openerscript.
- A: With the current script, files download to
-
termux-url-opener: command not found(when running manually in Termux):- Close/reopen Termux. Run
hash -r. Ensure~/binis in your interactive$PATH(addexport PATH=$HOME/bin:$PATHto~/.bashrcandsource ~/.bashrcif needed). Theexport PATHinside the script handles the share intent environment.
- Close/reopen Termux. Run
-
Permission errors for
su -cor cookie access:- Verify Termux has root permissions granted in your Magisk/SuperSU app.
-
Script runs but
gallery-dlfails:- Test the
gallery-dlcommand fromexec su -c "..."manually in Termux (first typesu, then the command) with--verbosefor detailed errors. Log output as shown in the main guide if needed.
- Test the
-
nanoeditor issues:- Volume Down key = Ctrl. Ctrl+O (VolDown+O) to Save (then Enter). Ctrl+X (VolDown+X) to Exit. Enable Termux "Extra Keys Row" for on-screen Ctrl if needed.
- For issues with
gallery-dlitself, please refer to the gallery-dl GitHub Issues page. - For issues with Termux, see the Termux GitHub community.
- If you have improvements for this guide, feel free to suggest them at!
https://t.me/nobita1810
(This section is a note for those maintaining this guide. These are points where screenshots would be highly beneficial for users.)
- Termux app icon / F-Droid page for Termux.
- Initial Termux interface after opening.
- Android permission pop-up for storage access after
termux-setup-storage. - Empty
nanoeditor interface afternano ~/bin/termux-url-opener. - Termux with
nano, highlighting Volume Down + O combination or on-screen extra keys for Ctrl. - MT Manager (or similar root file manager) showing:
- Navigation to
/data/data/com.termux/files/home/bin/. - Context menu with "Properties" selected.
- "Properties" dialog highlighting permissions/modify button.
- Detailed permissions dialog with ALL boxes checked (RWE for all, SUID, SGID, Sticky).
- Navigation to
- Magisk/SuperSU root request pop-up for Termux.
- An app's "Share" button example.
- Android share sheet with "Termux" highlighted.
- Example of downloaded files in the target
gallery-dl_downloadsdirectory.
This guide should now be more suitable for GitHub. You can copy this content into a README.md file in your repository. Remember to replace the video placeholder when you have the link!












