DPI Changer for Government Job Photos
Change your image’s DPI metadata to 200 or 300 for UPPSC, RBI, and other government portals.
Target DPI
Tap to upload image
Drag & drop or click · JPG / PNG
Understanding DPI for Government Job Photos
Key Insight: DPI vs Pixels
DPI affects print size only, not screen display. A photo at 200×230 pixels looks identical on your screen whether DPI is set to 72 or 200. What matters for portal upload validation is the pixel dimensions and file size. Use the Photo Resizer for pixel/KB requirements, and use this tool only when a portal specifically checks DPI metadata.
| DPI Value | Typical Use | Description |
|---|---|---|
| 72 DPI | Screen / web display | Standard screen resolution. Most photos taken with smartphones are saved at 72 or 96 DPI by default. |
| 96 DPI | Windows screen default | Windows display resolution standard. Photos viewed on Windows may show 96 DPI. |
| 150 DPI | Medium print quality | Suitable for small prints up to 10×15 cm. Good for wallet-size printed photos. |
| 200 DPI | UPPSC, RBI, IBPS (some) | Required by UPPSC and some RBI notifications. Most common DPI requirement in government forms. |
| 300 DPI | High-quality print | Professional print quality standard. Some state PSC exams and high-end government IDs may specify this. |
How to Change DPI
Select Target DPI
Click the target DPI preset — 200 DPI for UPPSC/RBI, 300 DPI for high-quality print requirements. The default is 200 DPI which covers most government exam requirements.
Upload Your Image
Drag and drop or click to upload your JPG or PNG image. The tool reads the current DPI from the JFIF header and displays it. Unknown/72 means the image has no embedded DPI or uses screen default.
Check Print Size Table
The print size calculator shows how large your image would print at each DPI value — useful to confirm you have enough pixels for the required print size.
Click Set DPI
The tool patches the JFIF APP0 segment of your JPEG to write the target DPI into the density bytes. For PNG files, it converts to JPEG first.
Download
The result is a JPEG with updated DPI metadata. File is saved as "image_200dpi.jpg" (or the selected DPI). Upload to the government portal.
Frequently Asked Questions
1What is DPI and why do government portals ask for it?
DPI stands for "dots per inch" — it is a measure of image resolution used for printing. It determines how many pixels are printed per inch of paper. A 200 DPI image printed at 2.54 cm (1 inch) wide would show 200 pixels in that inch. Government portals that specify a DPI requirement (such as UPPSC asking for 200 DPI) want to ensure that if the photo is printed, it will be clear. This is a holdover from physical printing requirements. Most modern portals check the DPI metadata in the JPEG file header.
2Does changing DPI change how my photo looks on screen?
No. DPI only affects how the image is rendered when printed on paper — it has absolutely no effect on how the image looks on a computer screen or in a web browser. A 200×230 pixel image looks identical on screen whether its DPI metadata says 72, 200, or 300. What actually determines screen display is the pixel count, not DPI. However, if a government portal's upload validator checks the DPI metadata in the JPEG header, this tool updates that value to satisfy the requirement.
3UPPSC asks for 200 DPI photo. How do I achieve this?
Use this DPI Changer tool to set your JPEG photo's DPI metadata to 200. Select "200 DPI" from the preset buttons, upload your photo, and click Process. The tool patches the JFIF header of your JPEG file to write "200 DPI" into the density metadata fields. Download the result and upload to the UPPSC portal. Additionally, ensure your photo meets the required pixel dimensions (usually 200×230px for UPPSC) — use the Photo Resizer for that.
4What is the difference between DPI and pixel dimensions?
Pixel dimensions (e.g., 200×230) are the actual number of pixels in your image. This is what determines file size and image quality on screen. DPI is metadata that tells printing software how large to print those pixels. The same 200×230 pixel image at 72 DPI would print at 7.05 cm × 8.11 cm. At 200 DPI, it would print at 2.54 cm × 2.92 cm. The pixels themselves are identical — only the intended print size changes. Government portals that specify both DPI and pixel dimensions are asking you to satisfy both requirements.
5My original photo says 72 DPI. Is this a problem?
For portals that do not specify DPI (like SSC, IBPS, SBI), 72 DPI is perfectly fine. The pixel dimensions and file size are what matter for those portals. For portals that explicitly require 200 DPI (like UPPSC) or 300 DPI, use this tool to update the DPI metadata. A 72 DPI photo from a 12MP smartphone has far more than enough pixels to represent excellent image quality — the DPI value is just metadata.
6Does this tool work for PNG files?
Yes. If you upload a PNG file, the tool converts it to JPEG format and sets the DPI in the JFIF header of the output JPEG. Government portals that require specific DPI generally also require JPEG format, so this conversion is appropriate. The PNG's original quality is preserved in the JPEG output (we use 92% quality by default).