Stripping exif data

anybody know an easy way to delete the exif data from pictures?
in most cases, don't like identifying my exact location on my webpage...

Are you referring to GPS data? You can strip all of the EXIF data out of a photo with Photoshop or Photoshop Elements using the File ➙ Save for Web and Devices menu option. That also optimizes it for web use. This would have to be done before adding to your web page.
The only other method I've found is to give the photos a new location, say the top of Mt. Everest, in iPhoto and export them to the desktop with the option to include the Places metadata. Then add to your iWeb page.
OT

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  • How To Remove Exif Data

    Hi,
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    Barbara222 wrote:
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  • Lightroom strips very valuable EXIF data - details

    Hey everyone - I've just been playing around with some EXIF stuff, and I noticed something very concerning.
    I do a lot of macro photography, specifically with Canon's MP-E 65mm 1x-5x Macro. This lens records its macro magnification factor in the EXIF data, and does so far more accurately and conveniently than I can.
    I know that Lightroom and Photoshop strip out A LOT of obscure EXIF data when processed, but this magnification data is extremely valuable when reviewing my photos at a later date.
    I can provide sample files if needed, and here is my observations so far:
    - data stays intact when converting from .CR2 to .DNG
    - data is stripped when converting to JPG, TIFF, and other formats
    - data is stripped by both Lightroom and Photoshop
    Here is the EXIF data (from exiftool) right from the Canon CR2 or DNG file (both are identical):
    http://don.komarechka.com/exif/exif-original.txt
    Here is the EXIF data (from exiftool) from a jpg that has gone through Lightroom:
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    So, is this something that has been overlooked, is there any way to change this behaviour? Even though Lightroom might not be able to decode this data, I don't see a reason why it cannot be left intact.
    Thank you.
    - Don Komarechka
    http://don.komarechka.com

    donkom wrote:
    clvrmnky, thanks for your response.
    Here's an example for you, the one I've been giving:
    I shoot with a special macro lensm the Canon MP-E 65mm f/2.8 1-5x Macro. This lens does not zoom, but the magnification can change from 1x to 5x.This lens communicates its magnification to one decimal point accuracy to the camera, which adds it to the maker notes.
    This is important in reviewing images for a number of reasons, including calculating the effective aperture and depth fo field. This is a valuable piece of information that is stored within the makernotes that is removed from the image when sending it through LR, Photoshop, or ACR.
    That isn't the only valuable information, however.
    The makernotes will tell me if the image was captured using LiveView, if Mirror Lockup was used, if the shot is part of a bracketed set, what the internal camera temperature was, etc. etc.
    I'm not sure you've justified your reasoning behind why this block of data shouldn't be blindly copied. If it is removed simply because it is not understood, I would like the option to understand this data on my own, using third-party tools, after the image has left LR.
    I understand that this can be proprietary, but likely far less so than the RAW file formats that LR and ACR already understand. It would be trivial to understand where this block of data begins and ends and to leave it in the file on export.
    I think this would allow for more in-depth searching based on metadata, for whoever wants to take up that torch. For example, what if I want to see all macro photos I took at a 4x magnification or higher. What if I want to see all photo I took using LiveView. Even if LR doesn't want to do this, stripping the data out prevents anyone else from doing it in the future.
    Well, there is an SDK for metadata that has been around for awhile, which allows for custom metadata definitions. But, according to the SDK:
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    So, this is more for searching and interfacing with tagset plugins.
    Even so, using the SDK to get at maker notes is a losing proposition.
    Note that some metadata is proprietary and will not be read into the database. This is to be expected. Lr is not an arbitrary metadata reading app, and there is no guarantee that any app could read all metadata. For example, Lr tries its best to get the serial number info, but this is because there is a lot of value in that for other Lr operations. So the contortions necessary to reliably get that is worth it. Another example is lens info (which is a twisty maze of passages; no app is ever guaranteed to actually retrieve lens info reliably in all cases) where there is a lot of value trying to extract the information that makers often store in very interesting ways. In some of those cases I think Lr will look in the maker notes, but only after exhausting other avenues, and with the caveat that it may never be able to get some information. The app does its best to get at the most valuable info it can get that fits with the standardized metadata models in place.
    However, the key here is that maker note data is not in exported files that Lr makes, because it is not normalized data that belongs to the vendor. (This obviates the recommendation of using Metadata Wrangler, which can filter out only that metdata that exists in Lr; I had vaguely remembered a setting that referred to this section but was wrong.)
    The field and data formats are not standardized, so you are asking Lr to understand most or all data from all or most lenses and bodies (all of it in varying degrees of similarity and difference) not just data from this lens and this body.
    This is also not a trivial matter of "copying" the maker notes over, because copying implies parsing and duplicating what is essentially unknown formatted data containing proprietary data, possibly by custom serialization routines. Remember that maker notes were never intended to be editable, and could be composed of any number of data formats. Some cameras make maker notes that are megabytes of nulls and nothing else!
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  • Lightroom strips out certain EXIF data (maker notes)

    Hi there!
    Simple issue: Lightroom and Camera Raw strip certain EXIF data that is extremely useful to macro photographers.
    Use case: Canon macro photographer using the MP-E 65mm lens. The lens communicates its Macro Magnification value and this is passed to the camera which stores it in the maker notes. This data is extremely valuable to determine scale and measurements of photographed subjects.
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    Here's some supporting documents:
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    - EXIF data (extracted via exiftool), please note the inclusion of "Macro Magnification" and the value "4.8x": http://donkom.ca/lr4-makernotes/_MG_1848.txt
    - Processed JPG file from Canon 5D mark II through Lightroom 4 (all exif data selected to be included): http://donkom.ca/lr4-makernotes/_MG_1848-processed.jpg
    - EXIF data (extracted via exiftool), please note the absense of "Macro Magnification": http://donkom.ca/lr4-makernotes/_MG_1848-processed.txt
    Thanks very much,
    - Don Komarechka
    www.donkom.ca

    Just checked this in the final release of LR4 and this issue has not been addressed. I'm hoping that someone has noticed this and can give it some attention!

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  • Photo EXIF Data Stripped When Sync'd BACK to iPhone via iTunes

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  • Want to Strip GPS Data from Photos

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  • Removing Exif Data with out using "Save for Web"

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    Thanks Tai Lao for the shortcuts. 
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  • IPhoto exif data

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    Camera Model: Canon PowerShot SD700 IS
    Maximum Lens Aperture: f/2.8
    Sensing Method: One-Chip Color Area
    Lens Size: 5.80 - 23.20 mm
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    Owner Name: W. FRITTS
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    Horizontal Resolution: 180 dpi
    Vertical Resolution: 180 dpi
    Image Created: 2008:06:12 13:07:51
    Exposure Time: 1/60 sec
    F-Number: f/2.8
    Lens Aperture: f/2.8
    Exposure Bias: 0 EV
    Flash: No Flash, Compulsory
    Focal Length: 5.80 mm
    Color Space Information: sRGB
    Image Width: 2816
    Image Height: 2112
    Rendering: Normal
    Exposure Mode: Auto
    Scene Capture Type: Standard
    Focus Type: Auto
    Metering Mode: Center-Weighted
    Sharpness: Normal
    Saturation: Unknown
    Contrast: Unknown
    Shooting Mode: Manual
    Image Size: Large
    Focus Mode: Single
    Drive Mode: Single
    Flash Mode: Off
    Compression Setting: Superfine
    Macro Mode: Normal
    Subject Distance: 0.540 m
    White Balance: Auto
    Exposure Compensation: 3
    Sensor ISO Speed: 224
    Image Number: 100-4933
    Other Properties:
    Resolution Unit: i
    Chrominance Comp Positioning: Centered
    Exif IFD Pointer: 196
    Compression Scheme: JPEG Compression (Thumbnail)
    Horizontal Resolution: 180 dpi
    Vertical Resolution: 180 dpi
    Resolution Unit: i
    Offset to JPEG SOI: 5108
    Bytes of JPEG Data: 6214
    Exif Version: 2.20
    Image Generated: 2008:06:12 13:07:51
    Image Digitized: 2008:06:12 13:07:51
    Meaning of Each Comp: Unknown
    Image Compression Mode: 5
    Shutter Speed: 1/60 sec
    Metering Mode: Center Weighted Average
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    Focal Plane Vert Resolution: 12497 dpi
    Focal Plane Res Unit: i
    File Source: Digital Still Camera
    White Balance: Auto
    Digital Zoom Ratio: 1
    Base Zoom Resolution: 2816
    Zoomed Resolution: 2816
    Exposure Mode: Easy Shooting
    ISO Speed Rating: Unknown
    Digital Zoom: None
    Self-Timer Length: 0 sec
    Canon Tag1 Length: 92
    Flash Bias: 0.00 EV
    Sequence Number: 0
    Canon Tag4 Length: 68
    Image Type: IMG:PowerShot SD700 IS JPEG
    TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto (iPhoto.Library for iPhoto 5 and earlier) database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
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  • EXIF data corrupt

    When I modify a picture with Adobe Photoshop Elements 10 it very often (but interestingly not always) happens, that afterwards the EXIF data are mostly lost. In Picasa I than only find a remaining block of about 5 values. Photo Me tells me, that "The EXIF data header of the chosen File is invalid", my smart TV is not able to view the picture any more. Even Microsoft Phot Gallery refuses to open the file.
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    I may be wrong but it appears that all Adobe products strip out the camera maker notes data from EXIF Metadata.
    Since EXIFtool and several other applications can properly read and write to and from the EXIF maker note area, I can only assume Adobe does not care about preserving this information.  I've been researching this topic for the past few days and it appears Adobe has known about the issue for several years but has never fixed it.  Since they have not fixed it, I can only assume they don't feel it is important enough to us users.  Some folks keep their original files and do not let any applications ever edit them in any way, including metadata.   That wouldn't be a problem if we didn't have 10's of thousands of images to deal with.  Originals, edited ones, backups, etc....   It starts to chew up space pretty fast but keeping your originals protected from ANY updates is the only way to ensure the maker notes stay in tact.  Of course this makes it really inconvenient to quickly look at the maker note of a particular photo.  This camera specific information can be used to help the photographer learn how he/she can reproduce a certain photo characteristic that they may really like.  Once again EXIFtool and several other software vendors have figured out how to read/write to the metadata without destroying it.

  • LR3.2 export - no more EXIF data on JPEG

    Hello everybody,
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    I called Apple , and because is not their software, they couldn't help.
    Tried the Delete and Download again and reinstall stuff, but is still doing the same thing.
    Anybody has the something like this?
    Any hints?
    Thanks in advance
    Joe

    Well the files are reduced to 1200 pixels in longer side in LR. But would be a very strange thing to be a problem because the image is reduced to any specific size.
    And as I said: the settings are identical in LR2 and LR3 and in both computers (iMac and MBP) .
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