How do I Batch Convert JPEG to PNG files?

Any idea how I would convert a large number of jpeg's to png files in Photoshop CC?

You could do it like this: http://www.santoshgs.com/blog/189/how-to-batch-convert-png-to-jpeg-using-photoshop-cs2/
But can I be honest? I'd do that with a more efficient and far faster conversion utility like IrfanView. Photoshop is incredibly slow for this type of work. For example, I did a quick test to demonstrate the difference in performance:
folder with 10 images in jpg format, 5600px by 5600px. Simple jpg to png batch.
Photoshop: over six minutes.
IrfanView: one minute and 40 seconds.
That's a rather big difference - and with large numbers of images I just do not have the time to wait for Photoshop to finish the job. It's too slow.
Another issue is that during the conversion process Photoshop cannot be used - while with a simple conversion utility you can leave it running in the background, and continue to use PS for other work if required. This matters if you have hundreds of images to convert.
Btw, Irfanview (windows only) is free to download @ http://www.irfanview.com/
The batch processing you can find under File-->Batch Conversion <b>
ImageMagick is also free and open source. It is a command line tool, and easy to use for conversions.Will also work on a mac. But it is much slower than IrfanView, a tad faster than PS.
http://www.imagemagick.org/script/convert.php
http://www.ofzenandcomputing.com/batch-convert-image-formats-imagemagick/

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When I try to convert Word Docs to PDF/A, my computer (a mac) hopelessly tries to open Word over and over again, and ends up at a blank word document, and the whole process stalls.
I've been trying to figure this out for days and am close to resigning myself to the 20 hours it will take to do each one individually on a free online PDF converter that doesn't ever have errors- which seems crazy, because what's the point of having Acrobat Pro??
Thanks

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how to batch convert psd to png with layers
i want to convert lots of PSD files into PNGs WHILE RETAINING
LAYERS!
simply batching and choosing custom setting flattens the
thing.
how do i do that!??
and i KNOW it can be done somehow - because i have some old
png's i KNOW come from the same psd source. ironic, isn't it?
besides - feature wish for adobe developers:
A) batch conversion should include 300dpi to 72dpi and vise
versa.
B) batch conversion should include PSD to PNG and vice versa
- including layers and transparency.
C) RGB to CMYK option when converting from 72 dpi to 300dpi.
D) batch exporting should include PNG32 which it doesnt now -
but somehow DOES include the outdated and stupid gif-format.
E) i'd like the Actions feature of photoshop - makes batching
complicated procedures easly.
F) I'd like support for the brushes of photoshop
G) Better selecting tools for details like hair and fine
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Important notes is that i as webdesigner often need to make
certain aspects of my clients graphics into print material. Also
that i use fireworks for picture editing.
Praise for the developers of fireworks
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B) PNG as fileformat is likewise awesome - i end up using it
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senocular wrote:
> Save the following code in a .jsf file and run it in a
batch. It will save
> your batched PSDs in their original location as PNGs
(using the same file name
> with .png tacked on the end). You'll probably need to
save the file in your
> Fireworks/Configuration/Commands directory to allow the
batch to pick it up.
> Note that any save location you specify in the batch
will be irrelevant. This
> code just saves the files in their original location.
>
>
>
> var dom = fw.getDocumentDOM();
> fw.saveDocumentCopyAs(dom,
dom.filePathForRevert+".png");
>
Thanks Trevor!
Jim Babbage - .:Community MX:. & .:Adobe Community
Expert:.
http://www.communityMX.com/
CommunityMX - Free Resources:
http://www.communitymx.com/free.cfm
.:Adobe Community Expert for Fireworks:.
Adobe Community Expert
http://tinyurl.com/2a7dyp
See my work on Flickr
http://www.flickr.com/photos/jim_babbage/

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Hi,
at first sorry for my english. It is not very well, but I try.
We have many eps file, which are created with older illustrator versions.
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This is my (hopefully) corrected CS4 version:
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try
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If you have the vector versions, you migt be just as quick re-coloring them yourself using the recolor artwork tool...
Mylenium

Hey, its impossible to move jpeg or png files from my pc (w7) to my iphone (4g, latest firmware), tried everything, even 5,99 € app and 20 hrs of googling, pls help

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You could do it like this: http://www.santoshgs.com/blog/189/how-to-batch-convert-png-to-jpeg-using-photoshop-cs2/
But can I be honest? I'd do that with a more efficient and far faster conversion utility like IrfanView. Photoshop is incredibly slow for this type of work. For example, I did a quick test to demonstrate the difference in performance:
folder with 10 images in jpg format, 5600px by 5600px. Simple jpg to png batch.
Photoshop: over six minutes.
IrfanView: one minute and 40 seconds.
That's a rather big difference - and with large numbers of images I just do not have the time to wait for Photoshop to finish the job. It's too slow.
Another issue is that during the conversion process Photoshop cannot be used - while with a simple conversion utility you can leave it running in the background, and continue to use PS for other work if required. This matters if you have hundreds of images to convert.
Btw, Irfanview (windows only) is free to download @ http://www.irfanview.com/
The batch processing you can find under File-->Batch Conversion <b>
ImageMagick is also free and open source. It is a command line tool, and easy to use for conversions.Will also work on a mac. But it is much slower than IrfanView, a tad faster than PS.
http://www.imagemagick.org/script/convert.php
http://www.ofzenandcomputing.com/batch-convert-image-formats-imagemagick/

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The original (linked photo): a 640 X 480 jpeg (66KB)
The working Muse file (desktop): I resized the photo to 420 X 315 in the layout
The (desktop site) file created by Muse and downloaded to the server: resized to 429 X 324 (larger than I resized it), turned into a .png (!), file size increased (even though resolution is much less), up to 134 KB vs. 66 KB for the original
The working Muse file (phone): I resized the photo to 351 X 263 in the layout
The (phone site) file created by Muse and downloaded to the server: resized to 360 X 272 (larger than I resized it), turned into a .png (!), file size increased (even though resolution is less by almost half), up to 112 KB vs. 66 KB for the original
So Muse is converting some (not all) of my jpeg photos to .png, resizing upward slightly from the size I indicated in the working Muse file, and and almost doubling the file size.
OK, I know best practice is to resize and optimize outside of Muse, but what good will this be if Muse resizes the results and turns small jpeg files into large png files? And even without resizing and optimizing outside of Muse, shouldn't Muse NOT change jpegs to png's and nearly double their file size from the size of the linked originals (which themselves are nearly twice the resolution, and therefore should themselves be larger than the file size of the files Muse produces, not less)?
Could someone from the Muse team explain this?
Thanks.

Hi Zak,
Thanks for your quick response. The site in question is http://www.nycjazz.com. The photo I described can be found by clicking on the "vocalists" link and locating the listing for "Brazilian Jazz Quartet" that appears towards the bottom of the page, just above the contact form. It is a photo with no transparencey, but with a drop shadow applied
Your response raises a few more questions:
(1) If some browsers can acheive drop shadow effects using CSS and others can't, then shouldn't Muse render two sets of these photos—jpeg to be served for the modern CSS3-complient browsers, and .png to be served for the older non-CSS3 complient browsers, rather than one set of huge png's served to both, as seems to be the case?
(2) If Muse has to create huge .pngs for both under these circumstances (at least as it may stand for now), is there a workaround designers can employ to trick it to do otherwise? Like, for example, grouping the photo with something else and applying a shadow, or putting a transparent box behind the photo and applying a shadow?
(3) This behavior of Muse is inconsistent for some reason. For example, if you look at a photo just above, in the same "vocalists" section, for "vocal-piano trio," Muse created a .jpeg for the desktop version, and a .png for the phone version. Muse did do a decent job of opitmizing the jpeg in this case, without any effort from me, though; the linked original in this case is 640 X 480 and 46 KB, whereas the jpeg Muse created from this is 420 X 315 and 15 KB. What explains the inconsistency, though?
(4) One thing I don't comprehend is the notion that you can optimize photos in advance of placing them in Muse. How can this make a difference, if Muse, either way, is going to automatically optimize them itself using it's own built-in algorhyrhms when outputting them?
If you could answer each of the these four point in turn, it would be very helpful.
Thanks.

How to batch convert .eps into .ai files?

Hi everyone
I have over the years gathered a huge asset library of all kinds of graphic design assets. Now I need to put this into a system and I want to use Bridge since I'm a freelancer and can't afford another system (my library is over 40GB).
My problem is that lots of the files are in .eps format (bought in bundles etc.) and I can't stick keywords and more on them in Bridge.
So I've been looking all over the internet for the last two hours trying to find a way to batch convert 100's (if not 1000's) of .eps files into .ai format (preferably the CS4 version - I got Creative Cloud, but I also work in CS4 with some clients still).
I have not found an answer I can use yet Some talk about a script and show lines of code, but I don't know how to create/make/save/install a script from pure text so it does not help me.
Preferably it would be possible for me to make a folder called "eps" and a folder called "ai" and then just put every file into the "eps" folder and then I can sort them afterwards.
Does anyone know a solution to my problem?
In advance thanks for all help and suggestions
- Kenneth

Try
GraphicsMagick.

How do I Batch Convert JPEG to PNG files?

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