How do I find information about jpg images? I remember threads

Thread replies: 22
Thread images: 2

Anonymous
2016-09-13 15:49:32 Post No. 56581912
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Anonymous 2016-09-13 15:49:32 Post No. 56581912 [Report]

How do I find information about jpg images?

I remember threads on /b/ where people would find a girl's info (name,location,etc) just by her pic.

And how do I prevent this?

pic related

┌∩┐(◣_◢)┌∩┐ 2016-09-13 15:51:21 Post No.56581934
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┌∩┐(◣_◢)┌∩┐ 2016-09-13 15:51:21 Post No.56581934 [Report]

It's called EXIF data, and if you're posting on 4chan you don't need to worry about it because 4chan strips it as the photo comes in.

Else, you just need some software that can modify EXIF data - they're a diamond dozen

Anonymous 2016-09-13 15:52:22 Post No.56581945
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Anonymous 2016-09-13 15:52:22 Post No.56581945 [Report]

>>56581934
>they're a diamond dozen
I hate you

Anonymous 2016-09-13 15:52:51 Post No.56581954
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Anonymous 2016-09-13 15:52:51 Post No.56581954 [Report]

>>56581934
You speak in memes as well?
That's pretty far gone, dude.

Anonymous 2016-09-13 16:00:01 Post No.56582045
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Anonymous 2016-09-13 16:00:01 Post No.56582045 [Report]

EXIF, but 4chan has stripped away EXIF data for some time, now

the main thing was that some cameras and cellphones places GPS coordinates into the EXIF data of photos

Anonymous 2016-09-13 16:02:01 Post No.56582070
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Anonymous 2016-09-13 16:02:01 Post No.56582070 [Report]

>>56581934
Fordham never used to do that shit and boards like /p/ still don't for obvious reasons

┌∩┐(◣_◢)┌∩┐ 2016-09-13 16:03:25 Post No.56582082
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┌∩┐(◣_◢)┌∩┐ 2016-09-13 16:03:25 Post No.56582082 [Report]

>>56582070
I don't know what Fordham is, and nobody cares about /p/ I don't think.

Anonymous 2016-09-13 16:03:53 Post No.56582094
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Anonymous 2016-09-13 16:03:53 Post No.56582094 [Report]

>>56581912
Who is that young man?

Anonymous 2016-09-13 16:03:57 Post No.56582095
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Anonymous 2016-09-13 16:03:57 Post No.56582095 [Report]

>>56581934
Windows and Finder can both modify EXIF data.

┌∩┐(◣_◢)┌∩┐ 2016-09-13 16:04:49 Post No.56582101
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┌∩┐(◣_◢)┌∩┐ 2016-09-13 16:04:49 Post No.56582101 [Report]

>>56582094
Dustin Diamond

Anonymous 2016-09-13 16:04:58 Post No.56582104
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Anonymous 2016-09-13 16:04:58 Post No.56582104 [Report]

>>56581912
poor girl. what is this condition called?

Anonymous 2016-09-13 16:05:55 Post No.56582114
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Anonymous 2016-09-13 16:05:55 Post No.56582114 [Report]

>>56582104
Ugliness.

Anonymous 2016-09-13 16:08:41 Post No.56582144
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Anonymous 2016-09-13 16:08:41 Post No.56582144 [Report]

>>56582104
French canadianism.

In other news, a while back as an experiment I once posted a pic to 4chan, already stripped of its EXIF data. Before posting I checked it's resolution and md5sum.

- post pic
- redownload

Same resoltuion, different md5. So what was modified?

Anonymous 2016-09-13 16:09:36 Post No.56582158
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Anonymous 2016-09-13 16:09:36 Post No.56582158 [Report]

>>56582144
The picture

Anonymous 2016-09-13 16:11:38 Post No.56582180
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Anonymous 2016-09-13 16:11:38 Post No.56582180 [Report]

>>56582158
Obviously, but how? One paranoid possibility is that it's watermarked somehow containing poster's IP or reference back to 4chan's logs ...

Anonymous 2016-09-13 16:12:36 Post No.56582187
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Anonymous 2016-09-13 16:12:36 Post No.56582187 [Report]

>>56581912
Retarded ass bitch

Cancer 2016-09-13 16:17:21 Post No.56582246
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Cancer 2016-09-13 16:17:21 Post No.56582246 [Report]

File: 1392238412868.jpg (28KB, 307x485px) Image search: [Google]

28KB, 307x485px

>>56582144
4chan watermark was added

Anonymous 2016-09-13 16:30:15 Post No.56582402
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Anonymous 2016-09-13 16:30:15 Post No.56582402 [Report]

>>56581912
I just noticed there's a devil-woman standing on her shoulder, whispering something into her ear.

Anonymous 2016-09-13 16:34:09 Post No.56582470
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Anonymous 2016-09-13 16:34:09 Post No.56582470 [Report]

>>56582144

If using low jpeg compression it's recompresesed to save space/bandwith.

Honestly I don't know, but I always assumed.

Anonymous 2016-09-13 16:36:30 Post No.56582503
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Anonymous 2016-09-13 16:36:30 Post No.56582503 [Report]

>>56582144
Probably EXIF data, even though you already stripped it.

Anonymous 2016-09-13 16:40:51 Post No.56582551
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Anonymous 2016-09-13 16:40:51 Post No.56582551 [Report]

>>56582144
whatever 4chan's using the strip metadata probably shifted things around

Anonymous 2016-09-13 17:21:59 Post No.56583059
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Anonymous 2016-09-13 17:21:59 Post No.56583059 [Report]

>>56582470
4chan doesn't do that. I uploaded uncompressed PNGs or JPGs with quality at 100 all the time.

I'm aware that Imgur.com will stop allowing adult images since 15th of May. I'm taking actions to backup as much data as possible. Read more on this topic here - https://archived.moe/talk/thread/1694/

I'm aware that Imgur.com will stop allowing adult images since 15th of May. I'm taking actions to backup as much data as possible.
Read more on this topic here - https://archived.moe/talk/thread/1694/