Here are some useful image tools on the web. It's not exhaustive and there are better fee paying programmes available, but for free, these arent bad at all. There are some tools here that are used for as masking tech- I have included them for the reason that if you know they exists and how they work, you will spot and recognise them if you come across them in your work.
There are 3 main types of image searches to carry out when looking at an image
1. Looking for like or similar images
Using Google images will search for like or similar things in its data base. Upload the image to Google and see what returns. Most searches still require a visual check to find the same or similar, but it is very effective.
Do not upload sensitive images onto the site. You are effectively sending the image to google. De sensitise it or crop.
2. Look for the same image on the internet.
Tineye will look for the same image ( or at least 80% same ) so your results are the same image elsewhere on the web or the original it was taken from should there be 70-80% remaining of the original image. Do not upload sensitive images onto the site. You are effectively sending the image to tineye. De sensitise it or crop.
TinEye Reverse Image Search
3. Exif Data
This is the embedded meta data stored in the image when taken on a digital device. It will range from basic data ( probably an original or dated digital camera), to that taken on a smart phone. This can include location maps and data . Exif explanation here. There are many sites that extract this. Have a try. there are 2 types of programme, web based and browser/ local based. The local ones are the safest as you perform the extraction within your own computer.
Here is a local one ( where a download is required)
Jeffreys Exif Viewer
and here are some web based ones
EXIF VIEWER
Image data extractor
www.photo-freeware.net - EXIF Data tools
www.photome.de - metadata of image files
www.tawbaware.com - basic exif viewer
www.geosetter.de - exif tool
www.photo-freeware.net - EXIF Data tools
www.bartdart.com - encode text messages into bitmap images
www.photome.de - metadata of image files
Baidu Images
Berify
Betaface
Bing Images
Camera Trace
CamFind
CC Search
Current Location
DownloadGram
Explore Places
facesearch
FindFace
Flickr
Flickr Hive Mind
Flickr Map
Fotki
Geograph
Google Images
Gramfeed
Image Net
Image Raider
Imgur
KarmaDecay
Lakako
Loc.alize.us
Lycos Images
MyPicsMap
Photo Map
PhotoTracker
Picquery
Picsearch
PicTriev
PimEyePlaces
Reverse GIF
Reverse Image Search
Reverse Image Search
Reverse Image Search
Revimg
RootAbout
SauceNAO
Smugmug
Social Catfish Reverse Image
Startpage: Images
StolenCameraFinder
TinyEye
Twitter Image Search
%3E&src=typd&vertical=default&f=images
View Image
jpcmhcelnjdmblfmjabdeclccemkghjk ||
Who Stole My Pictures?
my-pictures
Websta
Wolfram Language: The
Identification Project
Worldcam
Yahoo Image Search
Yandex Images
Video and screen Capture
www.pixelmetrics.com - tool for capturing anything on your screen
www.screenpresso.com - free video screen capture
www.wisdom-soft.com - r video screen capture
www.sourceforge.net - hide a file in a picture with hip2.1
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Webcam sites
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see.cam
http://insecam.org
http://camhacker.com
http://gobefore.me/cams/
http://openstreetcam.org
http://pictimo.com
http://shodan.io
http://thingful.net
​
AnalogExif
BetaFaceAPI
CameraSummary
Diffchecker
exifdata
Exifer
ExifPro
Exif Search
exiftool
ExifTool by Phil Harvey
Exif Viewer
nafpfdcmppffipmhcpkbplhkoiekndck?hl=en
Exif Viewer
Extract Metadata
Fake Image Detector
details?id=fake_image_detector.coder.genuine.com.fakeim
agedetector&hl=en
FastPreview
Find Exif
Forensically
FotoForensics
FourMatch
Fuskr
/detail/fuskr/glieaboaghdnlglpkekghloldikefofo
Gbimg.org
GeoSetter
Ghiro
Google Search “View Image” Button
view-image/hgngncnljacgakaiifjcgdnknaglfipo
How Old
Image Edited
Image forensic
Image Search Options
ImgOps
ImpulseAdventure
InVID
plugin
Irfanview
izitru
Java Exif Viewer
Jeffrey’s Image Metadata
JPEGsnoop
Let’s Enhance
Logos
metapicz
Photo Detective
id1045128136?mt=8
PhotoMe
Pic2Map
Plaghunter
ReadEXIF
Resemble.js
Reveal Image Verification
Assistant
imagesear/
keaaclcjhehbbapnphnmpiklalfhelgf?hl=en
Send to Exif Viewer
gogiienhpamfmodmlnhdljokkjiapfck?hl=en-US
tawbaware
Veracity (iPhone app)
id870153874?mt=8
Verexif
View Image
jpcmhcelnjdmblfmjabdeclccemkghjk
Web Inspector
enibedkmbpadhfofcgjcphipflcbpelf?hl=en
Where is the picture?
Who Stole My Pictures
pictures
Adobe Stock
AlltheFreeStock
Burst
CC Search Commons
Clipstill
Death to Stock
Epicantus
Freeimages
Freestocks.org
FoodiesFeed
Get Refe
Getty Images
Gratisography
Image Brief
IM Free
ISO Republic
iStockphoto
Jay mantri
Kaboompics
LibreStock
Life of Pix
Little Visuals
MMT
Moose
Morguefile
NegativeSpace
New Old Stock
Picjumbo
Picography
Pixabay
Pexels
Photobucket
Public Domain Archive
reshot
Shot Stash
Shutterstock
skitterphoto
SplitShire
Startup Stock Photos
StockSnap
Styled Stock
Superfamous
tookapic
unDraw
Unplash
AddText+
Affinity Photo
Annotable
id1099850421?mt=8
Apple Photos
Aviary
Befunky
Birme
Canva
Croppola
Ezgif.com
FastSTone
FlipA Picture
Fotor
Foto Flexer
Gimp
Hugin
Image Composite Editor
um/redmond/projects/ice/
Image Tricks Lite
id403735824?mt=12
Irfanview
LightZone
Lunapic
OnlineImageSplitter
Paint.NET
Photoscape
Photoshop
picfull
PicMoneky
Pixlr
Polarr
Seashore
Social Image Resizer Tool
crop-images
SumoPaint
textify
TinyPNG