Compress Image to 40KB
40KB sits right between the strictest government portal limits and general-purpose thumbnails. SizeSnap compresses your image to exactly 40KB.
Target file size
40KB
Unlike TinyJPG or Squoosh, SizeSnap lets you specify the exact target size — not just “smaller.”
How to Compress an Image to 40KB
- 1
Upload your exam photo or thumbnail image to SizeSnap.
- 2
Enter 40 as the target and select KB.
- 3
Click Compress — SizeSnap finds the optimal quality that fits under 40KB.
- 4
Download and submit to your exam portal, CMS, or email template.
Why Compress to 40KB?
Several Indian state public-service commission portals and competitive-exam registration systems set photo ceilings at 40KB — a middle ground between the 20KB signature limit and the 50KB photograph limit. Online quiz and proctoring platforms like Mettl and TCS iON also enforce per-image caps in this range for candidate verification photos. Beyond exams, 40KB is a practical target for small web thumbnails on category pages, mobile app icon assets before conversion, and lightweight inline images in HTML email newsletters where total message weight matters.
Tips for Compressing to 40KB
Resize to the portal's required pixel dimensions (often 200x230) before compressing for the best visual result at 40KB.
For thumbnails, a slight sharpen filter before compression can counteract the softness introduced by JPEG encoding at low bitrates.
Batch-compress multiple candidate photos at once using SizeSnap's multi-file mode.
Frequently Asked Questions
- Is compressing to 40KB free?
- Yes, SizeSnap is free for up to 3 compressions per day. No account needed.
- Does SizeSnap work on mobile?
- Yes, SizeSnap runs entirely in your browser and works on any device — iPhone, Android, tablet, or desktop.
- Will my image lose quality when compressed to 40KB?
- SizeSnap uses smart compression that minimizes visible quality loss. For 40KB, some quality loss is expected, but SizeSnap optimizes to keep the image looking good at this size.
- What image formats are supported?
- SizeSnap supports JPEG, PNG, WebP, and HEIC images. All formats can be compressed to exactly 40KB.