Compress Image to 50KB Online

50KB is the published upper limit for the photograph field in SSC and IBPS recruitment notifications, and the flat cap for both photo and signature in ICAI's CA exams. Because so many high-traffic recruitment portals converge on this exact number, it's become the de-facto standard passport-photo size for Indian competitive exams.

MS Paint's resize tool scales dimensions but doesn't optimize JPG quality intelligently, which is why manual resizing often overshoots. Our tool runs a binary search across quality levels first (rather than shrinking dimensions), so it typically preserves noticeably more facial detail at exactly 50KB than a manual Paint resize.

Both matter. SSC notifications specify 275×354px alongside the 20–50KB file size. Uploading a correctly-sized 50KB file with the wrong aspect ratio can still get flagged during document verification, so check the pixel dimensions field in your exam's official notification too.

Generally yes, since the size and format requirements overlap closely across these portals. However, always re-check the specific pixel dimensions and background rules (some require a light background, others plain white) in that year's official notification before reusing an older photo.

Yes. Windows, macOS, and this tool all use 1,024 bytes per KB, so the size you see after downloading will match what your operating system reports. Some older web portals define 1KB as 1,000 bytes instead, which is rarely more than a rounding difference in practice.

Typically the result looks a little softer than the original but still clean and identifiable at 50KB. Because the tool searches for the highest quality setting that still fits your target rather than applying one fixed compression level, you get noticeably better results than a basic single-pass compressor.

It depends on your original file. At 50KB, this tool often needs a modest dimension reduction alongside quality reduction. Dimensions are only reduced as a last resort, after quality reduction alone can't reach the target, so you keep your original size whenever possible.

All of them. This 50KB tool accepts JPG, PNG, WebP, AVIF, GIF, or BMP as input, and lets you choose JPG, PNG, WebP, or AVIF as output (or leave it on Auto) — useful since a passport-style photo sometimes needs a specific output format.

Yes. This tool never uploads your file anywhere; the entire 50KB compression process runs locally in your browser tab and the image is cleared from memory once you close or refresh the page.

This tool handles one image per run rather than a folder upload. For a passport-style photo, that's rarely an issue since each file only takes a few seconds; for large batches you'd need to repeat the process per file.

HEIC isn't in this tool's supported input list (JPG, PNG, WebP, AVIF, GIF, BMP), so it won't accept a raw HEIC file for a 50KB target. Set your iPhone to Settings → Camera → Formats → "Most Compatible" to save new photos as JPG instead.