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exif-reader
Advanced tools
Readme
A small EXIF image metadata reader.
npm install exif-reader
var exif = require('exif-reader');
// decode raw exif data from a buffer
var metadata = exif(buf);
Support is also built into jpg-stream for extracting EXIF data from JPEGs using this module.
Resulting properties are grouped as follows:
bigEndian
: determines the endianness of the buffers (in case of non-ascii data)Image
: basic TIFF properties about the imageThumbnail
: basic TIFF properties about the embedded thumbnailPhoto
: full exif dataGPSInfo
: GPS/location data about the imageIop
: interoperability informationNot all of these properties will always be defined.
All standard Exif tags are supported.
Here is some example output:
{
bigEndian: false,
Image: {
ImageWidth: 2448,
ImageLength: 3264,
Make: 'Some Make',
Model: 'Some Model',
Orientation: 1,
XResolution: 72,
YResolution: 72,
ResolutionUnit: 2,
Software: 'HDR+ 1.0.520435816zd',
DateTime: 2023-05-20T17:02:00.000Z,
YCbCrPositioning: 1,
},
Thumbnail: {
ImageWidth: 219,
ImageLength: 292,
Compression: 6,
Orientation: 1,
XResolution: 72,
YResolution: 72,
ResolutionUnit: 2,
},
Photo: {
ExposureTime: 0.016679,
FNumber: 2,
ExposureProgram: 2,
ISOSpeedRatings: 129,
ExifVersion: Buffer(4) [Uint8Array] [ 48, 50, 51, 50 ],
DateTimeOriginal: 2023-05-20T17:02:00.000Z,
DateTimeDigitized: 2023-05-20T17:02:00.000Z,
OffsetTime: '+02:00',
OffsetTimeOriginal: '+02:00',
OffsetTimeDigitized: '+02:00',
ShutterSpeedValue: 5.91,
ApertureValue: 2,
BrightnessValue: 2.54,
ExposureBiasValue: 0,
MaxApertureValue: 2,
SubjectDistance: 0.35,
MeteringMode: 2,
Flash: 16,
FocalLength: 2.57,
SubSecTime: '811',
SubSecTimeOriginal: '811',
SubSecTimeDigitized: '811',
FlashpixVersion: Buffer(4) [Uint8Array] [ 48, 49, 48, 48 ],
ColorSpace: 1,
PixelXDimension: 2448,
PixelYDimension: 3264,
InteroperabilityTag: 958,
SensingMethod: 2,
CustomRendered: 1,
ExposureMode: 0,
WhiteBalance: 0,
DigitalZoomRatio: 1.4,
FocalLengthIn35mmFilm: 24,
SceneCaptureType: 0,
Contrast: 0,
Saturation: 0,
Sharpness: 0,
SubjectDistanceRange: 1,
LensMake: 'Some Lens Make',
LensModel: 'Some front camera 2.57mm f/2.0',
CompositeImage: 3
},
GPSInfo: {
GPSLatitudeRef: 'N',
GPSLatitude: [ 49, 1, 3.12 ],
GPSLongitudeRef: 'E',
GPSLongitude: [ 11, 1, 4.56 ],
GPSAltitudeRef: 0,
GPSAltitude: 296.1,
GPSTimeStamp: [ 15, 1, 48 ],
GPSImgDirectionRef: 'M',
GPSImgDirection: 258,
GPSDateStamp: '2023:05:20'
}
}
MIT
FAQs
A small EXIF image metadata reader
The npm package exif-reader receives a total of 22,506 weekly downloads. As such, exif-reader popularity was classified as popular.
We found that exif-reader demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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