Metadata is commonly referred to as "data about data", and is often used for cataloging, indexing, and managing files in a computer.

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49
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6answers
4k views

Doesn't metadata occupy any size?

I put 4096 characters in a text file and save it.Since every character is 1 byte, Size of the text file must be 4K byte.As you see below that's OK: I connect my flash memory to my computer. the ...
18
votes
11answers
15k views

How do I batch change the date taken information in EXIF data?

I use F-Spot to manage my images. For one set of images, the dates somehow got messed up and they all are marked as September 1st 2007. I'd like to change the date taken information to a different ...
18
votes
7answers
2k views

How to change internal page numbers in the meta data of a PDF?

I have a pdf document I created through non-Acrobat means (printing to pdf, then merging a bunch of pdfs), but I'd like to manually change the page numbers (i.e. the first several pages are simply ...
17
votes
5answers
21k views

Does Google Picasa store metadata in the picture files?

Does Google Picasa store metadata in the picture files themselves? If so, what metadata is actually stored inside the files? (as opposed to Picasa's internal database)
17
votes
6answers
20k views

Is there any way to prevent a Mac from creating dot underscore files?

At work we're letting one of our very tech savvy clients actually help out a little with a few development projects specific to him. However, he uses his own personal Macbook, and as he edits files on ...
15
votes
3answers
4k views

Get mac tar to stop putting ._* filenames in tar archives [duplicate]

Possible Duplicate: Why do I get files like ._foo in my tarball on OS X? I create autoconf scripts on a Mac. When tar runs, it puts all of these ._foobar names in the archive: ...
13
votes
1answer
1k views

How to reuse/extend etckeeper's metadata engine for git control of non-/etc filesystems, or extend git natively with said capability?

Overview + question I want etckeeper-like filesystem metadata control for non-/etc, git-controlled directories. Home and web-app directories, among others, are classically sensitive to metadata ...
12
votes
3answers
10k views

What software can I use to read png metadata?

I know that I can create a simple little Qt based application that adds and read png metadata, using the QImage.setText(...) and QImage.text(...). That metadata can then be read with a linux command ...
11
votes
6answers
16k views

Editing JPEG EXIF properties

How can I edit EXIF properties of JPEG files on a Windows machine? Some image editing utilities handle the Rotation property wrong, which leaves me needing to make manual edits after rotating images ...
10
votes
4answers
7k views

How to find the JPG quality?

When I save a JPG file with GIMP, I can adjust the quality I save it at, from 0-100 (I use 89). It seems like I've used an app to see what this number was on saved file but if I did I can't for the ...
10
votes
2answers
10k views

Is there a way to get file metadata from the command line?

Is there a way to get a file's metadata from the command line in Windows XP and above? Particularly, I'm interested in getting the information one might normally see on the "Details" tab of a file's ...
9
votes
3answers
699 views

How to prevent Windows Explorer from slowly reading file content to create metadata?

We have directories containing hundreds of video files. When using Windows Explorer (Windows 7 64 Pro) to browse and rearrange these directories, Explorer slows down to an unusable level, uses ...
8
votes
4answers
9k views

Changing the date of a image file

I'm going through the thankless task of scanning old photos and archiving the digital copies. Is there a way to modify the date of scanned image files (typically .jpeg) to more closely match when ...
7
votes
1answer
2k views

When spliting MP4s with ffmpeg how do I include metadata?

I have a few MP4s that i want to upload to my flickr account but they have a maximum size of 500mb as mine is only about 550 i was planing to simply split them in half then upload them, but i want to ...
6
votes
3answers
10k views

How to use ffmpeg to add metadata to an AAC file without reencoding?

I'm using ffmpeg to extract just the audio stream from a video file: ffmpeg -i video.mp4 -vn -acodec copy audio.aac This produces a clean audio file but without any metadata. To add metadata, ...
6
votes
3answers
8k views

Is there a Windows command-line tool to set ID3 tags on an MP3 file?

I am looking for a command-line tool for Windows that will allow me to set the ID3 tags on an MP3 file. For example, something like this would be ideal: C:\> setID3.exe myfile.mp3 -artist "The ...
6
votes
1answer
6k views

How to remove the meta data of all files within a folder and it's sub folders?

When a right click a file and hit details, it shows me Date created, date modified, owner, and computer. I have a folder that I want to send to someone. Basically I want to remove the Date created, ...
5
votes
2answers
8k views

Tool to view video/audio file information [closed]

What is the best tool to obtain the media/codec details of any video/audio file? I use Windows, but feel free to suggest for your favorite OS too.
5
votes
2answers
9k views

Strip metadata from all formats with FFmpeg

How can I remove all metadata from all formats via FFmpeg? I can just set special metadata for each format per man ffmpeg. Any option or method to clear all metadata and strip media from all metadata ...
5
votes
3answers
868 views

saving notes against a file on linux

I want to save notes against a file on linux. I want to save meta data about a file, because the file names are restricted in max length. so how to save notes or comments about a file on linux so ...
5
votes
7answers
2k views

GUI for editing image metadata

Is there a graphical application for editing image metadata in EXIF, IPTC and XMP formats? Preferably free and for Windows. Some image editors and the Windows Explorer properties window allow editing ...
4
votes
2answers
8k views

Free metadata file information tool for Mac? [closed]

Does anyone know any free alternatives to Informator? As a sidenote, this doesn't deal with EXIF metadata only. I'm hoping for video, music, and who knows what else beside images metadata. Being ...
4
votes
1answer
3k views

Prevent Windows Explorer from trying to extract metadata

Windows Explorer (Windows 7 x64) crashes when it sees allegedly corrupted .wav files. I'm dealing with this problem and the hotfix outlined in "High CPU usage in the Explorer.exe process when you open ...
4
votes
2answers
170 views

Google Maps mashup for notes/househunting

I'm house-hunting at the moment and I'm trying to geek it out er I mean streamline the decision-making process. I'm currently using google maps's "my maps" feature to store pins to properties. I ...
4
votes
1answer
276 views

Archiving Scanned Family Photos, How to Annotate?

I'm scanning old family photos for saving and distribution to family. I'd like to be able to give all known info about the photo. iPhoto would work, but most people don't have Macs. For cross ...
4
votes
2answers
918 views

How to show more Exif info in Windows tooltips?

Windows file browser, explorer, shows a tooltip with some info of the file when I stop mouse pointer over the filename or preview icon. For photos the tooltip shows resolution, date+time, camera ...
4
votes
2answers
450 views

Custom metadata fields in Windows file manager (or other software)

I'm trying to organize a collection of maybe 500 or so journal articles, stored in a combination of .pdf and .djvu formats. I'd like to be able to sort the collection by author(s), title, journal ...
4
votes
1answer
129 views

Filter MP3s by encoder type?

I'm on a Mac and use iTunes to manage my music collection. I'm in the process of weeding out the lower quality files that I have and would like to have only MP3s that have been encoded using the V0 ...
4
votes
1answer
2k views

How can I add metadata to NTFS files/folders?

I want to tag different file types (i.e. .pdf, .epub, .iso, .bin, folders,..) using the same descriptive fields. For example i would like a metadata field "type" which would be "eBook" on pdf- and ...
4
votes
1answer
905 views

Synchronize music ratings between iTunes and Windows Explorer

I want to synchronize my file ratings between iTunes and Windows Explorer. I have found one utility--Orzeszek Ratings--that synchronizes between iTunes => Windows Media Player => iTunes. However, it ...
3
votes
2answers
7k views

How do I remove file properties like 'user' and 'computer'?

How can I remove file properties like 'user' and 'computer' in Windows 7? I think this is 'personal information' and don't want the file to have this information when I share it.
3
votes
2answers
369 views

How do I automate editing of metadata for a large number of music files?

I am disappointed with iTunes' support for organizing classical music. When listening on an iPod/iPhone/iHome device, it displays the artist, album and song title. I don't see an option to view ...
3
votes
1answer
616 views

How Much Space Do Empty Files Consume?

Windows reports both, empty files and folders, as taking up 0 bytes. Surely it takes something to store the file name, attributes, date [created/modified/accessed] etc. How is this weighted?
3
votes
1answer
450 views

List full timestamps of files in a tarball

I have a large tar archive and want to see the exact (nanosecond) timestamps that are stored for each file in the archive. In case it's relevant, the tarball is in POSIX-2001 format (tar ...
3
votes
3answers
374 views

Is there a way to tag MP3 the way you can do with Photos in Live Photo Gallery or Picazza?

I really do love the way you can tag pictures in Windows Live Photo Gallery. I find it incredibly useful to be able to tag the same picture with the tag "Cancun" and have it been automatically ...
3
votes
2answers
560 views

iTunes: Getting updated meta-data onto iPod when using manual management

OK, it's with an iPhone 3GS rather than an iPod, but same deal... I'm manually managing the music on my iPhone (mainly because I don't understand the automatic management option), so I drag-drop from ...
3
votes
8answers
23k views

Can't edit MP3 tags like artist or title

I try to edit the tags of MP3 files and I found that some of the file cannot be edited. Here's the procedure when I edit the information of the MP3 file: Right click the MP3 file in Windows ...
3
votes
5answers
2k views

Command line tool to write flac, ogg vorbis and mp3 id3v2 meta data?

Is there any command line tool that can write all three formats/containers? I've already searched but could not find anything that does the job. So far I'm using vorbiscomment, metaflac and id3tool ...
3
votes
2answers
2k views

How to scan and annotate documents and receipts so metadata is searchable and embeddeded in document?

I'm getting tired of living in the modern age and still having a messy filing cabinet full of paper. I have a nice cheap scanner and want to scan receipts, warrenties, and so forth. To make it ...
3
votes
1answer
38 views

Linux suitable filesystem with large metadata

I got know here the following: Most unices do not have a concept of file creation time. You can't make ls print it because the information is not recorded. If you need creation time, use a version ...
3
votes
2answers
6k views

How to automatically fix MP3 Genre and Year tags?

All the Artist/Album tags on my MP3 collection are fine, but the Genres and Year tags are all horrendous. For Genre, songs just seem to be all over the place. It classifies Iron Maiden is ...
3
votes
2answers
597 views

Excel-like software for XML data?

Is there any Excel-like software for XML data? Something not restricted to spreadsheet format, but allowing: data with hierarchy more strict typing tagging multiple views to the data, unlike ...
3
votes
3answers
611 views

Can Spotlight or Media Browser index metadata contained in iPhoto or Aperture in Mac OS X?

It seems silly to go to all the trouble to assign "Face" data to thousands of photos, but not make it possible to use that data to locate them outside of that application. Is there any way to get ...
3
votes
0answers
168 views

FFmpeg & iPhone: don't display audio language button

I'm creating an MP4 file with FFmpeg 1.1.1, using life and aevalsrc to generate some test video and audio: ffmpeg -f lavfi -i life -f lavfi -i aevalsrc=0 -frames:v 750 life.mp4 If I play it on an ...
3
votes
2answers
12k views

Does an MKV tag/metadata editor for Mac OSX exist? [closed]

I'm looking for an MKV meta tag editor. I'm using PLEX Media Server and PLEX Media Center on my iMac to see movies. PLEX is great because it automatically finds and names my entire movie library with ...
2
votes
3answers
3k views

How to make Handbrake preserve capture time / creation time?

Handbrake is an awesome video compression tool, but it doesn't seem to preserve the original capture time after a video is compressed. Any idea how to fix this?
2
votes
4answers
264 views

How are the file metadata stored in Windows?

(I'm using Windows XP but I guess it's similar in all the recent versions of Windows.) When you create for example a new empty text document, you'll find in its properties that it has size of 0 ...
2
votes
5answers
2k views

Tool to modify properties/metadata of a PDF? i.e. Change “Title”, “Author”? Sony Reader showing some books as “untitled.”

I own a Sony Reader PRS-600 ebook reader. I bought a ton of Manning Publications ebooks (DRM-free) recently. Many of the books are PDFs since not all the ones I wanted are available in epub format. ...
2
votes
2answers
899 views

Unable to change metadata of m4v video file

I want to change title of a m4v video. I have tried Media Information (Ctrl+I) of VLC to change it, but its not working. I have also tried MetaX, but again no luck. I used both applications with ...
2
votes
7answers
6k views

Remove Properties and Personal Information - Batch mode or app

I am trying to remove all the properties\personal information from a set of media files in a bunch of different folders. So far the only way I have found is by clicking into each folder, selecting all ...