Reading and Editing metadata using exiftool

hi guys this is helpful to many to trace people and reading data and adding information sometimes wrong information for misdirection.
ExifTool is a platform-independent Perl library plus a command-line application for reading, writing and editing meta information in a wide variety of files.

Features 

• Powerful, fast, flexible and customizable
• Supports a large number of different file formats
• Reads EXIF, GPS, IPTC, XMP, JFIF, MakerNotes, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP, ID3 and more...
• Writes EXIF, GPS, IPTC, XMP, JFIF, MakerNotes, ICC Profile, Photoshop IRB, AFCP and more...
• Reads and writes maker notes of many digital cameras
• Decodes a riddle wrapped in a mystery inside an enigma
• Numerous output formatting options (including tab-delimited, HTML, XML and JSON)
• Multi-lingual output (cs, de, en, en-ca, en-gb, es, fi, fr, it, ja, ko, nl, pl, ru, sv, tr, zh-cn or zh-tw)
• Geotags images from GPS track log files (with time drift correction!)
• Generates track logs from geotagged images
• Shifts date/time values to fix timestamps in images
• Renames files and organizes in directories (by date or by any other meta information)
• Extracts thumbnail images, preview images, and large JPEG images from RAW files
• Copies meta information between files (even different-format files)
• Reads/writes structured XMP information
• Deletes meta information individually, in groups, or altogether
• Sets the file modification date from EXIF information
• Supports alternate language tags in XMP, PNG, ID3, Font, QuickTime, ICC Profile, MIE and MXF information
• Processes entire directory trees
• Creates text output file for each image file
• Creates binary-format metadata-only (MIE) files for metadata backup
• Automatically backs up original image when writing
• Organizes output into groups
• Conditionally processes files based on value of any meta information
• Ability to add custom user-defined tags
• Support for MWG (Metadata Working Group) recommendations
• Recognizes thousands of different tags
• Tested with images from thousands of different camera models
• Advanced verbose and HTML-based hex dump outputs

how to use on windows just for basics
open command put exiftool and your image in same directory and type
exiftool a.jpg -a
and boom you have all the info theres much more than this but for now we will keep it to this much theres more info here