Compress Image to Under 20KB Online
Compress any JPG or PNG image strictly under 20KB for online portal upload limits. Reduces any JPG/PNG file weight strictly below 20KB limit using intelligent in-browser binary search quality optimization.
Indian Govt Exam Photo & Signature Specifications (2026-27)
| Recruitment Portal | Target Size (KB) | Dimensions | Name & Date? | Background |
|---|---|---|---|---|
| SSC (CGL, CHSL, MTS, GD) | 20 KB – 50 KB | 3.5 × 4.5 cm (100×120 px) | Yes (Mandatory) | White / Light |
| UPSC Civil Services (OTR) | 20 KB – 300 KB | 350 × 350 px (Square 1:1) | Recommended | White / Plain |
| Bank (IBPS, SBI, RRB) Signature | 10 KB – 20 KB | 140 × 60 px (2:1 Ratio) | No | Pure White Ink |
| NTA NEET UG Passport & Postcard | 10 KB – 200 KB | Passport & 4×6 inch Postcard | Yes (DOP Stamp) | White Background |
| Railway RRB (ALP, Tech, NTPC) | 30 KB – 70 KB | 35 × 45 mm | Optional | White / Plain |
How to Use Online Forms (20KB Limit) Resizer Online
- 1Upload image file.
- 2Canvas compresses to ~18KB.
- 3Download output.
Official Requirements: Online Forms (20KB Limit)
Reduces any JPG/PNG file weight strictly below 20KB limit using intelligent in-browser binary search quality optimization.
- Strictly ≤ 20 KB file weight.
Always verify the latest requirements on the official application website before final submission. Last verified: Verified September 2026.
Pro Tips to Prevent Form Rejection
- Keep dimensions reasonable for 20KB target.
Frequently Asked Questions (FAQ)
Will compressing to 20KB ruin image quality?▼
Our iterative compression preserves maximum resolution while meeting the strict 20KB ceiling.
Popular Government Exam & Sarkari Recruitment Portals
FileZenith’s binary-search compression engine is calibrated to the official photograph and signature submission guidelines of all major central and state government examinations:
SSC CGL, CHSL, MTS, CPO SI, GD Constable, Stenographer Grade C & D, Selection Posts (3.5×4.5 cm, 20–50 KB with Name & Date DOP).
UPSC IAS, IPS, IFS, NDA, CDS, CAPF (AC), IES, and OTR One-Time Registration (350×350 px, 20–300 KB).
IBPS PO, IBPS Clerk, IBPS RRB Scale I/II/III, SBI PO, SBI Clerk, RBI Grade B, LIC AAO (Photo 20–50 KB, Signature 10–20 KB).
RRB NTPC, RRB Group D, RRB ALP, Technician, Delhi Police, UP Police SI, Bihar Police (30–70 KB, white background).
Related Govt Exam & ID Tools
View All Govt Tools →Online Forms (20KB Limit) Quick Specs
Official Application Portals
All image compression, dimension cropping, and name stamping occur purely inside your browser memory using HTML5 Canvas. Your biometric photos never touch our servers.