Compress Image to 300 KB
300 KB is generous for a face photo and modest for a full-size camera picture. Upload the image here and it comes back at or just under 300 KB, keeping as many pixels as the budget allows.
Compress Image
or drop JPG, JPEG, JFIF … files here ·
Max 95 MB per file· Up to 20 files· Deleted after 30 minutes
Files are processed on our servers and deleted after 30 minutes.
Never shrink below this width when downscaling. 0 means no minimum.
Optionally set the dimensions before compressing. Forms that specify pixels as well as KB need both.
Pixels for the side you chose above.
The search for the target size will not go below this quality; it downscales instead.
4:2:0 halves color resolution and saves a lot on photos; 4:4:4 keeps sharp edges on text, logos and screenshots.
Lossy PNG quantises colors (like TinyPNG) and is far smaller; lossless keeps every pixel.
How to use this tool
- 1
Choose the image
Phone photos, scans and screenshots in JPG, PNG, HEIC or WebP. Up to 20 files per batch, 95 MB each.
- 2
Confirm 300 KB
Target size is 300 KB. If the form limits pixels too, set the longest side under Resize first in Advanced settings; pick JPG under Output format if only JPG is allowed.
- 3
Press Compress
Check the size and dimensions shown with each result before downloading and uploading it.
300 KB is the first common limit at which a face photo stops being a compromise: a 1000 × 1000 px portrait fits at high JPG quality with space to spare.
Forms with a 300 KB photo ceiling
The best-known example is India's Union Public Service Commission. UPSC's online application instructions in recent cycles have asked for the photograph as a JPG between 20 KB and 300 KB, with each side between 350 and 1000 pixels. Unlike bank exam forms that want a fixed 200 × 230 px image, this is a range, so the sensible move is to upload a large, clear photo near the top of it rather than the smallest file that passes. Requirements change between examination years, so read the notice you are applying under, or use the preset UPSC photo resize page.
- UPSC photo file size in recent notices
- 20–300 KB
- allowed width and height
- 350–1000 px
- accepted photo type
- JPG
Compress image to 300 KB at 1000 × 1000 px
A 1000 × 1000 px photo has one million pixels. At 300 KB that is about 2.4 bits per pixel, which for a typical portrait means a JPG quality around 90, with no artifacts you can see. A phone photo at 4032 × 3024 px is twelve times as many pixels, so set Resize first to 1000 px on the longest side for UPSC-style rules, then let the tool fill the budget.
Outside application forms, 300 KB works as a page-weight budget for one large image such as a hero banner or a featured photo. Here Output format set to WebP stretches the same 300 KB further, since every current major browser displays it.
Resize image to 300 KB on a phone or computer
iPhone
- 01Photograph against a plain light wall in daylight.
- 02Open this page in Safari and tap the upload area.
- 03Pick JPG under Output format if the form refuses HEIC.
- 04Tap Compress and save the result to Files.
Android
- 01Use the standard camera mode, not a 50 MP or 108 MP mode.
- 02Open the page in Chrome and choose the photo from Gallery.
- 03Keep the 300 KB target.
- 04Tap Compress and find the file in Downloads.
Windows or Mac
- 01Drag the photo or scan onto the upload area.
- 02Set Resize first to the pixel limit in the notice.
- 03Click Compress.
- 04Compare size and pixels with the notice before uploading.
300 KB image questions
Should I upload close to 300 KB or as small as possible?
Close to the top, when the form gives a range. A larger, sharper photo avoids rejections for blur during identity checks. A target of 290 KB keeps that quality and still leaves margin for portals that count 1 KB as 1,000 bytes.
How many pixels fit in a 300 KB JPG?
An everyday photo typically keeps 1500–2000 px on the long side at good quality. A 1000 × 1000 px portrait fits at a very high quality with room left over.
Is 300 KB too heavy for a hero image on a website?
For one large banner it is acceptable; for every picture on a page it is a lot. A 1920 px wide hero often looks fine at 200–300 KB as JPG and smaller as WebP, while thumbnails should stay well under 100 KB.
Can I compress a scanned certificate image to 300 KB?
Yes, as an image. An A4 page scanned at 300 DPI is about 2480 × 3508 px, and at 300 KB the text usually stays readable, especially with Chroma subsampling at 4:4:4 for colored stamps. If the portal asks for a PDF, use compress PDF to 300 KB instead.
Why was my 295 KB file refused by a 300 KB limit?
Windows shows sizes in units of 1,024 bytes, so 295 KB there is 302,080 bytes. A server that reads 300 KB as 300,000 bytes sees that as over the limit. Set Target size to 290 KB and the file passes either way.
Does compressing to 300 KB change my photo's colors or rotation?
No. Keep color profile is on by default, so colors stay as they were, and Auto orient turns sideways phone photos upright using the orientation stored in their EXIF data.