How-To Geek Forums / Windows XP
Why does Firefox downloads the cached image again while saving?
(15 posts)The browser Firefox has a peculiar behavior no other browser has. When I tell it to save an image from a web page which it has loaded, it starts downloading it from the web even though the image is already displayed on the page. All other browsers just save the cached images when the users intend to save them. Why doesn't FF do the same? Is there a way to tell FF to save the cached image (and not download it again) when I click Save?
- Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!
- Images are now saved in a zip archive ot prevent multiple downloads and better file-naming Image detection algorithm is improved. Version 0.2.1 User preferences are now persistent. It is still possible to reset them from the UI It is now possible to ask for 'Save Dialog' from the UI There is a progress indicating how many images are proceeded.
- By tweaking one simple setting, you can make Firefox ask you where you want to save downloads. By default, Firefox saves downloaded files to your desktop. But what if you want to save, say, a.
Users save word doc and exit. Users can't find file. Users grab torches and pitchforks (last step optional). The cause of the problem. The download dialog for Firefox shows two options: 'Save file' and 'Open with'. By choosing 'open with', Firefox downloads the file to a temp folder and opens the associated application. I want to prevent this.
I hope the question was clear. Thanks in advance for any suggestions or workarounds.
Could it be that you want to save the image to disk ? It is the whole webpage that is cached, not the individual images.
Are you using an add-on to to this ?
Are you using an add-on to to this ?
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Hi LH
Yes I want to save the image (picture file like GIF, JPG, PNG, etc.) to the disk. The files are always downloaded again, no matter whether I use the built-in download-manager (or whatever it is called, sorry I don't know its exact name) of FF or an add-on like DownThemAll.
Is the page cached as a whole, like an MHT or ZIP or some other archive file? Well, in that case, probably the image would have to be downloaded again since not all archive types allow individual files to be extracted. But I have one doubt. If that were the case, then I must be able to save a complete page instantaneously, which is not the case. As you can check, saving the complete page again initiates the download of each individual element (pictures, HTML files, CSS, JS, etc.) again. Why is that the case if the whole page is already cached?
Maybe this is again due to the fact that the users normally wanna save the page in HTML format (with the other elements like images etc. as separate files), and not as a whole mass. But then, it's a very bad strategy on the part of Mozilla (if it really caches the whole page as a single file, which I don't know). No other browser caches the page as a whole.
Sorry if I went off-topic. I hope I provided the info that you asked for. Please ask anything again if I'm not clear. Thanks.
Could be the same problem as when you download a program, leave the download page open, and restart FF, it tries to download again. Maybe.
I almost determined that's not the same case. The program file's download starts again because:
It's not cached,
The server doesn't support resumption of downloads,
The download link changes with time or with every click (a script, most likely server side, does this with the aid of a random 32 or 64 charactered string).
Since these reasons are not specific to the browser, so a program file would start downloading again in ALL the browsers, provided any of the above conditions is fulfilled. But that is not the case with the image files. Other browsers copy them from cache when saved. Only FF downloads them again.
OK. To get a more solid feel of what I'm trying to explain, please load a web page with some image on it in FF and in another browser of your choice. Let the page (and the image on it) load fully. Now try to save the image on both the browsers. You'll realize what I mean. (The image should be big enough, or the connection should be slow enough, so that you know when it starts downloading again.)
I cannot re-create it in FF. Could you link me to an image that doesn't work for you,
The situation is the same with all the images on the image, means you can take any webpage with ANY image. Let me explain it more fully. Open any webpage with some image on it. Let it load fully in the browser. Once it's been loaded, the image on it has been downloaded to the cache folder (or in the RAM), right? (That's how we're seeing it on the page.) So the image is already on our computer.
Now, in any browser other than FF, when you right click the image and click Save Image (or a similar command), the browser copies the image from the cache/RAM to the location you specify.
In case of FF, it starts downloading the image again! It doesn't make use of the image already downloaded to the computer's cache/RAM. That is what I'm trying to point out.
If I'm still unclear, please just leave this topic. I think it's a mistake on Mozilla's part. They keep on getting new features on the newer versions without getting even the BASIC features to work first! They have to realize that the users can live without all the eye candy they're trying to introduce for the upcoming versions (especially when all of that can already be done via add-ons), but the basic features need to be fixed first. How many times have you noticed that FF cannot save or print a web page right? Anyway, that was a bit off-topic.
There's one more request from HowToGeek. Could you please provide the subscription to particular threads via email? I don't keep checking all the threads all the times. So when someone answers a question after quite a long delay (like the above reply by LH), I just won't know about it. Even this one I happened to notice since I saw it in the email sent to me by HTG. (RSS/ATOM feeds are not an option for me.) Thanks.
I understand what you are saying. It's just that I am saying it works fine for me in FF.
So unless someone else has the same problem, or knows of it, I don't know what more I can say.
So unless someone else has the same problem, or knows of it, I don't know what more I can say.
Alright. Thanks for your understanding. I'll wait. I'll keep checking biweekly or so until Mozilla fixes it. I've also reported in their own forum but they're not interested it seems.
I now see your problem. I think you will need an add-on. Here's a couple to start with,
https://addons.mozilla.org/fr/firefox/addon/3404
https://addons.mozilla.org/en-US/firefox/addon/614
https://addons.mozilla.org/fr/firefox/addon/3404
https://addons.mozilla.org/en-US/firefox/addon/614
Hey, LH seems to be spot on again! Seems like the first link is exactly what I need (by its description). I'll install it today, and will (hopefully) mark the problem as solved tomorrow. Wonder how you got it while I missed it during the search LOL!
Thanks again!
And if you want to get the images from the cache when you are offline. I think this may do it,
http://www.nirsoft.net/utils/mozilla_cache_viewer.html
http://www.nirsoft.net/utils/mozilla_cache_viewer.html
The add-on at https://addons.mozilla.org/fr/firefox/addon/3404 does not actually do what it promises. It starts downloading the images when asked to save. It should actually NOT be installed since it doesn't provide you with an option to redownload if the download stops sometimes for any reason. In case of direct download, at least you get a list of files downloaded or that failed to download so you can go to the download page again. (And, though not everyone may agree, it's a matter of ethics to not use an application that says something else and does something else.) I strongly hate this add-on now.
THE ADD-ON SAVE IMAGE AT https://addons.mozilla.org/fr/firefox/addon/3404 SHOULD NOT BE USED; IT TELLS YOU THAT IT SAVES IMAGES FROM CACHE WHICH IS ABSOLUTELY FALSE. IT DOWNLOADS THE IMAGES AGAIN WHEN YOU SAVE THE IMAGES THROUGH IT.
The other software at http://www.nirsoft.net/utils/mozilla_cache_viewer.html does exactly what it promises and is quite good. But there's an inherent limitation to it: Since Firefox saves its cache data only when it exits, the mentioned program doesn't have access to the cache of the files currently being created by FF. In other words, when I open a web page and load it fully with its images, the cached data cannot be accessed just yet by the program MozillaCacheView, and hence I'm again unable to save it directly from cache. (I'll have to close FF every time I want to save a new image. You can imagine it's worse than downloading it again.)
Besides, not all the images displayed on the page are being cached and can be found in the cache after closing the browser; some are just loaded into RAM that vanish as soon as we close all the pages using them or when we exit the browser. There's no way to tell the browser which images to save in the cache and which to load into the RAM.
Many thanks to LH anyway for all the efforts put into suggesting these links. I look forward to suggestions from other members who might have solved the problem.
Hi,
I always had the same problem with mozilla.
Unless what you said, https://addons.mozilla.org/fr/firefox/addon/save-images/ DOES use the cache. Problem is that some images that are still displayed in the tab can be removed from the cache, for instance when you loaded many other images or pages after displaying the first one. I do use this add-on with 4chan threads displayed on tabs but already offline (4chan thread's life is no more than a few minutes..), and it DOES save most of the pictures although they are not online anymore. Just some of them are not saved, when they are not in cache anymore (although displayed).
Vodafone app download for laptop. There is a way to list the effective content of the mozilla cache: type 'about:cache' in URL then click on 'List Cache Entries' - so you can verify what I say.
Ravag
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Active4 years, 5 months ago
- Users open their web mail accounts, click on some attachment, and click 'Open with Word'.
- Users edit their precious documents for hours. Users save word doc and exit.
- Users can't find file.
- Users grab torches and pitchforks (last step optional).
The download dialog for Firefox shows two options: 'Save file' and 'Open with'.
By choosing 'open with', Firefox downloads the file to a temp folder and opens the associated application. I want to prevent this behavior.
I made my homework and searched the MozillaZine, and the Knowledge Base (like here, here or here) and if I understood correctly, the download dialog box will depend not on the file's extension, but rather on its mime type.
I know I can set the behavior by going to Preferences > Applications, like this:
However:
- Firefox relies on the mime type informed by the server. But it can be itself incorrect, omitted, or redundant (one file type can have multiple mime types, or vice-versa).
- Firefox remembers the 'Do this automatically for files like this from now on' check-box on a per-mimetype basis. If I want to enforce a certain behavior, I have to manually set it for each mime type.
- I can not create new entries in the applications list. It is populated only when a new download is made from an unregistered mime type. Only then I can change the behavior in the list.
- I can edit the mimetypes.rdf file, forcing the 'save file' behavior, but I couldn't find a way to enforce this to all files.
What I need is a way to (preferably) make it impossible to open with an external application, or at least to force the file to be saved.
I know I can set
browser.altClickSave
in about:config
to have it save the file when I click pressing ALT, but I need some solution that does not require user interaction.That Brazilian Guy
That Brazilian GuyThat Brazilian Guy4,90077 gold badges5454 silver badges9696 bronze badges
2 Answers
Making a master mimeTypes.rdf file that you deploy to users is the best solution
Open mimeTypes.rdf in an editor that handles XML style docs well (such as Notepad++)
Find and replace first line with second:
I would also 'seed' your master mimeTypes.rdf with some of the exotics your users have accumulated:
- Copy mimeTypes.rdf from the 2-3 users with the heaviest usage of webmail attachments
- Compare users' types to your master:
cmd.exe
If you find any new types, grab the whole stanza from the user's file and add to master.
retriever123retriever123
NOTE: The instructions are Windows specific, but will work for other OSes. This solution will not work for PDFs without disabling PDF.js and/or other PDF viewer plugins. It also won't work for files which Firefox can open directly (e.g. MP3 files, images, videos,
text/plain
files, etc.)Well, this solution isn't as user interaction free as you'd want, but if you have the ability to provide customized versions of Firefox or you can run batch scripts on each user's computer, you can try this:
Where Does Firefox Android Save Downloads
- Install the latest beta version of Automatic Save Folder (ASF)
- Create a filter to match any kind of file from any domain like this.
Also make sure you read the 1st Install Guide - Configure ASF to automatically choose
Save File
from the Save dialog - Install FEBE and backup the browser profile (including preferences) and restore them on individual computers
Or, if you can run batch scripts on the user's computer, run the following script (after ASF is installed): Symbol ds6707 manual.
The script takes input from
extpref.txt
which should be present in the same folder as the script itself and must contain preferences for ASF, which will be updated in Firefox's preferences file (prefs.js)You can read the preferences from
about:config
under extensions.asf.*
or simply get them from prefs.js
which will typically be in the folder:When creating
VinayakVinayakextpref.txt
make sure you don't include extensions.asf.filters0.folder
and extensions.asf.lastpath
since they will be different for each user.8,83744 gold badges4141 silver badges7676 bronze badges