Image compress kab zaroori hota hai?
Phone camera se li gayi photos aksar 3-8MB ki hoti hain. Lekin:
- Govt job portals: 50KB-200KB limit
- Bank KYC: 100KB-500KB limit
- Email attachment: 1-2MB prefer
- WhatsApp: automatically compress karta hai, quality kharab ho jaati hai
- Website upload: bandwidth ke liye smaller better
Compression aur quality ka balance
| Use Case | Target Size | Quality |
|---|---|---|
| Govt portal photo | 20-50KB | Medium — face clearly visible |
| Document image (Aadhaar etc.) | 100-200KB | High — text readable |
| Email attachment | 200-500KB | High |
| WhatsApp sharing | 500KB-1MB | Good enough |
ToolNinja advantage
ToolNinja ka Image Compressor aapko target KB set karne deta hai — just slider move karein. Koi file server par nahi jaati — 100% browser mein.
Compression ke baad quality dobara wapas aa sakti hai?
Nahi. Image compression lossy hai — ek baar compress karne ke baad original quality wapas nahi aati. Original file rakhein hamesha.
PNG aur JPG mein kaunsa compress hota hai zyada?
JPG zyada compress hota hai (lossy compression). PNG lossless hai — quality nahi kharab hoti lekin size utna kam nahi hota. Photos ke liye JPG better, logos/graphics ke liye PNG better.