User-agent string asal mein kya batati hai
Jab bhi koi browser, crawler ya app koi web page mangta hai, woh ek User-Agent (UA) header bhejta hai — aik satar ka text jo software, us ka version, operating system, aur aksar device ko pehchanta hai. Server yeh string parhte hain taake faislah karein ke kaunsa HTML, CSS ya JavaScript bhejna hai, aur yahi wajah hai ke aik hi URL phone aur desktop par alag dikh sakta hai. Ek user-agent parser yeh paicheeda string bajaye haroof ke dher ke, muayyan aur parhne ke qabil haqaiq mein badal deta hai.
Parser UA ko kaise torta hai
Jadeed user-agent strings kai tahaqon ko milati hain: browser (Chrome, Safari, Firefox, Edge…) aur us ka version, us ko chalane wala rendering engine (Blink, WebKit, Gecko), operating system (Windows, macOS, iOS, Android, Linux), aur — phone aur tablets par — device ka banane wala aur model. Yeh tool muallim shuda ua-parser-js engine ko poori tarah aap ke browser mein chalata hai taake har tahqon nikal aaye, chunanche bina kuch upload kiye browser, engine, OS aur device ke liye ek saf card milta hai.
Bot aur search crawlers pehchanna
Har UA insaan ka nahi hota. Search engines Googlebot aur Bingbot jaisay crawlers bhejtay hain, aur beshumar aur bots index, monitor ya spam ke liye web ko scan kartay hain. Yeh parser bot aur crawler UA ko foran nishan zad karta hai, taake aap automated traffic ko asal visitors se alag kar saken — analytics, rate limiting aur security triage ke liye mufeed. Chunke pehchan local hoti hai, aap bina kahin bheje shakki string check kar sakte hain.
Dekhein ke aap ka browser asal mein kya broadcast karta hai
Paste ki hui strings parse karne ke ilawa, tool woh user-agent parhta hai jo aap ka apna browser abhi bhej raha hai, aur usay live environment tafseelat ke sath jorta hai — platform, zuban, screen size, CPU threads aur Do Not Track jaisay privacy signals. Yeh har request par apni digital fingerprint ko samajhne ka tez aur privacy-focused tareeqa hai, aur yaad dilata hai ke upload-mukhtasar local tools yeh maloomat aap ke device par hi kyun rakhte hain.
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- Kisi bhi user-agent string ko real-time parse karein
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- Browser, version, engine aur OS ki tafseel
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- Device ki qism, banane wala aur model ki pehchan
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- Bot aur crawler ki pehchan (Googlebot, Bingbot…)
- 05
- Apna UA khud-ba-khud pehchane aur dikhaaye
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- Koi bhi field copy karein ya poora JSON export karein
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- Auto-detects and displays your own UA & environment
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- Copy any field or export the full JSON


