Take complete control of your digital photography metadata with the Universal Image Metadata Editor & EXIF/IPTC Studio at RiazHub. Unlike conventional web-based photo editors that pass images through destructive canvas decoders permanently degrading picture quality through generational lossy re-compression this studio utilizes a pure client-side binary stream engine to parse, modify, and losslessly inject metadata directly into JPEG APP1 segments, PNG text/EXIF chunks, and WebP containers without altering a single pixel of your original photo.
Whether you are a professional photographer looking to shield your creative work from automated web scrapers and unauthorized AI model training by embedding indelible IPTC copyright notices and artist credits, an optical enthusiast correcting missing aperture and focal length data from vintage manual lenses, or a privacy-conscious traveler needing to strip sensitive GPS coordinates and camera serial numbers before sharing photos on social media, this all-in-one studio provides granular, point-and-click control.
Features include an interactive OpenStreetMap Leaflet geotagger with real-time decimal and DMS coordinate translation, multi-file batch synchronization, a leap-year-aware timezone clock shift utility for multi-camera shoot realignment, 1-click professional presets, an in-depth raw EXIF inspector with instant search filtering, and zero-server-upload privacy. Process individual photos or bulk-queue dozens of images and export everything losslessly packaged in a single PKZIP archive with an optional JSON metadata manifest 100% free, private, and secure inside your browser.
Universal Image Metadata Editor & EXIF Studio
View, modify, and losslessly inject camera settings, copyright claims, timestamps, and GPS geotags directly into JPEG, PNG, and WebP binary streams without re-compressing or degrading image quality.
| Tag ID | Tag Name | Group | Original Value | New Injected Value |
|---|---|---|---|---|
| No image parsed yet. | ||||
📚 EXIF Architecture, Binary TIFF Offsets & Legal Rights Guide
<canvas> element and export it using canvas.toDataURL('image/jpeg'). This re-runs the Discrete Cosine Transform (DCT) quantization, producing generation loss, compression artifacts, and color shift. In contrast, this studio reads the raw binary byte stream directly via FileReader.readAsArrayBuffer, identifies the APP1 (0xFFE1) segment, rebuilds the TIFF directory tables in-memory, and injects the modified EXIF header without altering a single pixel of your original image data.
0x013B for Artist), a 2-byte data type (ASCII, SHORT, LONG, RATIONAL), a 4-byte count, and a 4-byte value or byte offset pointing to payloads exceeding 4 bytes. Sub-IFDs (like Exif SubIFD and GPS IFD) are referenced by special pointer tags inside IFD0.
DataView and Web APIs. No photos, camera hardware serials, or private geolocation coordinates are ever transmitted over the network or saved on RiazHub.com servers.