Isicindezeli se-PDF
Ukusetshenziswa kwebhizinisi OK
Amamodeli angama-380+
Akukho phawu lwamanzi
Akukho ubhaliso olungenayo
Imodeli:
+ GPT-5, Claude, Gemini
Ukunciphisa i-PDF ngaphandle kokuyiphula. I-Ghostscript eyisithathu sekhwalithi esethelwe phambili: Isikrini (esincane, 72 DPI), i-eBook (elinganiswe, 150 DPI), Shicilela (isikhulu, 300 DPI). Izithombe ezinzima ze-PDF zilahlekelwa yi-40-75% yobukhulu babo. I-output elinganiselwe ibonisa ngokuzenzakalela ngaphambi kokuba uyifake.
I-PDF ecindezelwe ilungile
Okuthi abantu bacindezele i-PDF ngayo
Izinhlamvu ze-imeyili
Outlook + Gmail limit attachments to 20-25 MB. Shrink an image-heavy proposal to fit.
I-portal yezwe
I-tax, visa, ne-court e-filing portals cap upload at 5-10 MB — Screen preset usually fits.
Ukugcina ingobo yomlando
Cisha isibaya se-5 GB sezipho ezishayekile zibe yi-1-2 GB ukugcinwa kwesikhathi eside.
Layisha phezulu iwebhusayithi
Ukuthumela iphepha elibomvu 60% encane ukuze abavakasheli beselula kudatha elinganiselwe bangabi necala.
Indlela yokucindezela i-PDF ngezindlela ezi-4
- Layisha phezulu i-PDF yakho. Sifunda ubukhulu befayela kanye nokubalwa kwekhasi endaweni ukuze sikwazi ukubikezela ukulondolozwa ngaphambi kokufaka.
- Khetha isilungiselelo esingaphambili: Isikrini (~75% ncane, i-web), i-eBook (~45% ncane, ukuhlanganisa), noma iphrinta (~15% ncane, iphrinta-ilungile).
- Khangela ubukhulu bokuphuma okulinganiselwe. Uma ukulondolozwa akunembile, zama ukuhlela okungaphambili okunamandla.
- Chofoza u-Cut. I-Ghostscript ikhuphula izithombe, ihlela ngezansi ifonti, futhi ihlela i-PDF. Layisha phezulu imiphumela — ukugcinwa okusemthethweni kuthunyelwe phezulu.
Free.ai vs. Adobe Acrobat Pro vs. Smallpdf
| Free.ai | Adobe Acrobat Pro | Smallpdf | |
|---|---|---|---|
| Intengo yokuqala | Ikhululekile | $19.99/mo | $9/mo |
| 3 izilungiselelo ezingaphambili zekhwalithi | |||
| Ubukhulu bokuphuma obungalindelekile | — | — | |
| I-API yomphakathi | I-Enterprise | I-Enterprise | |
| Akukho ubhaliso olungenayo | — | — |
Izinketho ezithuthukisiwe
Imiphumela
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Bhala
Kuqedwa isicelo sakho...
Cindezela ama-PDF ngaphandle kokulahlekelwa ubuhle nge-AI emahhala. Nciphisa ubukhulu befayela ngokushesha.
Indlela Yokusetshenziswa Isicindezeli se-PDF
1
Faka umngenisi wakho
Bhala umbhalo, ulayishe ifayela, noma uchaza ofuna ukukwenza. Akukho akhawunti edingekayo.
2
Chofoza ukwakha
I-AI yethu isebenza isicelo sakho emaminithini usebenzisa amamodeli avulekile angcono kakhulu.
3
Layisha phezulu futhi uhlukanise
Layisha phezulu, kopela, noma uhlukanise imiphumela yakho. Imahhala ukusetshenziswa komuntu siqu nokwebhizinisi.
Sebenzisa lesi sisetshenziswa nge-API
Yenza lokhu sixhobo sisebenze ngokuzenzakalela kusuka kukhodi yakho. I-REST ehambisanayo ne-OpenAI, ukuqinisekisa i-token ye-bearer, akukho SDK edingekayo. Izindleko ze-token zifana ne-web interface.
curl -X POST https://api.free.ai/v1/pdf/extract/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"file": "@document.pdf"}'Amathuluzi ahlobene ne-AI emahhala
Isicindezeli se-PDF — FAQ
Ukunciphisa ubukhulu behele le-PDF ngaphandle kokulahla. Sisebenzisa i-Ghostscript ukuncipha kwezithombe ezifakwe ngaphakathi kanye nefonti ezisetshenzisiwe — izilungiselelo eziphezulu ezintathu: Isikrini (72 DPI, okuncane kakhulu kwe-web), i-eBook (150 DPI, elinganiswe), iphrinta (300 DPI, iphrinta-elungele ngokulimala okuncane). Ubukhulu obulinganiselwe bokuphuma bubonisa ngaphambi kokuba ucindezele ukucindezela.
500 amathokheni we-Screen, 750 we-eBook, 1,000 we-Print — flat nganoma iyiphi idokhumende kuze kube yi-50 MB, akukho zindleko zekhasi ngalinye. Abasebenzisi abamahhala bathola amathokheni angama-2,500 ngosuku ngakho-ke izingcindezi eziningi zimahhala. Akukho kuguqulwa kwe-MB ngayinye — ukucindezela i-2 MB noma i-50 MB PDF ibiza ngokufanayo.
Kuxhomekeka emthonjeni. Izithombe ezinzima ze-PDF zincipha ngo-60-80% kwiSkrini futhi 40-60% kwincwadi ye-e. Izithombe ze-PDF ezibhalwe kuphela ezivele zilungele kahle zincipha ngo-5-15% ngoba akukho sithombe esiningi esidinga ukufakwa phantsi. Sibonisa ubukhulu obulinganiselwe bokuphuma ngokuya ngekhwalithi emiselwe ngaphambili okhetha yona.
Isikrini: 72 DPI umbala + izithombe ze-greyscale, isethulo sefonti, ukwenziwa kwe-linear for web — ifakwe ukubheka ngaphambili kwesikrini. i-eBook: 150 DPI, efundeka kumafoni namathebulethi. Shicilela: 300 DPI, igcina ama-vector paths angekho emthethweni, igcina umbala we CMYK — iphephile ukuphrinta okunekhono.
Yebo — i-Ghostscript iphinde isampule izithombe ku-DPI ehlobene (kungakwesokudla), ihlanganise ngezansi ifonti kuphela ku-glyphs esetshenziswa ngokusemthethweni, futhi igcine ama-vector paths angekho emthethweni. Isikrini esisetshenzisiwe singabonakalisa ngokulula uma sizongeza ngaphezulu kuka-200% ngoba i-pixel data iphansi; sebenzisa i-eBook noma iphrinta ukugcinwa.
50 MB. I-PDF enkulu (incwadi escanned, i-construction blueprints), yahlukaniswa kuqala ku /pdf/split/ ibe ngamaqembu amancane, ucindezele ngayinye, bese uhlanganise ku /pdf/merge/.
Compressing a signed PDF breaks the cryptographic signature because we re-serialize the file. Sign after compressing if the signature matters. For signed contracts that need to stay valid, use Print quality and skip recompressing — or compress the source first, then resign.
Siyeka amafayela abhalwe nge-crypto — i-Ghostscript izokhipha ngokuzithandela i-PDF engenanto. Vula kuqala ku /pdf/unlock/ uma unedokhumende. Uma kucindezelwe, ungaphinde ugcine ku /pdf/protect/.
Akunalutho. Ukucindezela kusebenza kuseva yethu ye-API usebenzisa i-Ghostscript + pikepdf endaweni. Ihele libhalwe kufolda yesikhathi, licindezelwe, futhi umsuka ucishiwe. I-output ihlala kwi-CDN yethu amahora angama-24 (amasonto angama-7 nge-credits esebenzayo).
Free.ai imahhala. I-Adobe Acrobat Pro ($ 19.99 / mo) isebenza njenge-distiller yokucindezela. I-Smallpdf ($ 9 / mo) isebenzisa ukucindezelwa kwe-cloud yabo. Sibonisa / v1 / pdf / compress / nge-API yasekhaya - abanye babeka i-gate yabo ngemuva kwe-ejensi yokuthengisa.
Akunakuchofoza ngasinye — ulayishe ngasinye ngasikhathi sinye. Ukwenza amaqembu ngokuzenzakalela, sebenzisa i /v1/pdf/compress/ API endpoint ne loop ku-script yakho. Ucingo ngalunye lubiza izindleko ezijwayelekile ezibekwe ngaphambili ngokuhlukile.
Yebo — POST ingxenye eminingi /v1/pdf/compress/ ngefayela + umgangatho (screen / ebook / printer). Cishe isiphetho /v1/pdf/compress-quote/?quality=Q&input_size=B ibuyisela izindleko + ubukhulu obulinganiselwe bokuphuma. I-curl recipe egcwele ku /api/.
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