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PDF Split

PDF Split — Free Online

PDF file को split करें — custom range (1-3, 5, 7-10) देकर एक नया PDF बनाएं या हर page एक अलग file। 100% private।

PDF file select करें

Max recommended: 50 MB

100% Private — browser में process होता है, कोई upload नहीं

कैसे Use करें?

  1. 1PDF file upload करें — drag-drop या click
  2. 2File metadata दिखेगी — pages count, file size
  3. 3Mode select — 'Custom Range' या 'हर page अलग'
  4. 4Custom Range: pages का range टाइप करें, e.g. 1-3, 5, 7-10
  5. 5हर page अलग: हर page एक अलग PDF file (browser से 'allow multiple downloads' permission)
  6. 6'Split करें' दबाएं — pdf-lib browser में process
  7. 7Single PDF case में download button से save
  8. 8Multiple files case में downloads folder check — naming: {original}-page-{N}.pdf

PDF Split क्या है?

## PDF Split kya hai PDF Split एक tool है जो एक बड़ी PDF file को smaller PDFs में तोड़ता है — specific page range extract या हर page अलग file। Common scenarios: 50-page report में सिर्फ executive summary email, eBook का specific chapter extract, legal documents में particular sections share, multi-document scanned PDF को individual files में split। हमारा tool pdf-lib JavaScript library use करता है — सब browser में, कोई upload नहीं, file size limit सिर्फ browser memory (100 MB तक comfortable)। ## Kaise kaam karta hai Process: PDF ArrayBuffer में read → pdf-lib parse → Range mode: नया खाली PDF, copyPages से selected indices source से copy, addPage, save → Blob। Each page mode: loop में हर page नए PDF में copy, individual download। Range parsing '1-3, 5, 7-10' → [1,2,3,5,7,8,9,10], out-of-bounds filtered। Performance: 50-page range split 1-3 sec, 50 each-page 30-60 sec। Limitations: encrypted (user password) error; owner-restricted work करती हैं ignoreEncryption से। ## 5 use cases **1. Email-friendly summary**: 100-page → pages 1-5 → under 1 MB। **2. eBook chapter extract**: 500-page → pages 80-120 study PDF। **3. Govt form sections**: 30-page PMAY → relevant। **4. Multi-invoice PDF**: 50 invoices → 50 individual। **5. Print specific pages**: 23, 45, 67 → 3-page mini-PDF। ## Common mistakes **1. Range syntax galat**: '1 to 5' invalid — सही '1-5'। **2. Large PDF crash**: 200+ MB browser memory limits। **3. Encrypted PDF password expect karna**: user-password protected — original password चाहिए। **4. Each-page mode 50+ files**: bulk downloads slow। **5. Page numbering**: 1-based (page 1 = first)। ## Pro tips for PDF splitting **1. Range syntax: comma separator, hyphen for ranges। **2. Preview first। **3. File naming automatic। **4. Output PDF size compression नहीं — separate compress tool। **5. Privacy 100%। **6. Combine with PDF Merge। **7. Metadata preserved, Bookmarks lost (pdf-lib limitation)। ## Modern context — 2026 mein PDF workflows 2026 में PDF universal: govt forms, academic papers, business reports, contracts। India: DigiLocker — Aadhaar/DL/marksheets PDF, e-Sign + Aadhaar Sign legal binding, GST + Income Tax PDF, eBook market। WhatsApp document share 100 MB limit, Email Gmail 25 MB। AI vs PDF: GPT/Claude documents read कर सकती हैं — split PDFs में specific sections discuss करना better। 12MBC combo में productivity, AI tools master।

Formula / तरीका

Range parsing: '1-3, 5, 7-10' → [1,2,3,5,7,8,9,10]. Out-of-bounds filtered. New PDF = PDFDocument.create() → copyPages(source, indices) → addPage. Each-page mode: loop n times, single-page PDF per iteration.

Tips और सुझाव

  • •Range syntax: comma-separated, hyphen for ranges
  • •Owner-restricted PDFs work; user-password need original password
  • •100 MB max recommended — bigger files use Adobe Acrobat / PDFtk
  • •Each-page mode 50+ files में browser permission popup
  • •Bookmarks new PDFs में preserve नहीं (pdf-lib limitation)
  • •Output metadata copied from original
  • •Privacy 100%
  • •Combine with PDF Merge to rearrange pages

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अक्सर पूछे जाने वाले सवाल (FAQ)

PDF kitni badi split kar sakte hain?
Practical limit ~100 MB browser memory के कारण। 1000+ pages PDF (50-200 MB) usually fine on 16 GB RAM laptop। Mobile में 30-50 MB safe। Beyond 100 MB: Adobe Acrobat (paid), PDFtk Server (free CLI), PDFsam Basic। Online iLovePDF/SmallPDF — file upload (privacy concern)। Linux: `pdftk input.pdf cat 1-50 output split.pdf`। JavaScript heap 2-4 GB max per tab। Test: 50 MB / 500 pages 5-10 sec typical।
Range syntax samjhayein? '1-5, 7' kya matlab hai?
Single page '5' = page 5। Range '1-5' = pages 1-5 inclusive। Multiple '1-3, 7-10' = 1,2,3,7,8,9,10। Mixed '1-3, 5, 7-10' = 8 pages। Rules: comma between groups, hyphen within range, spaces ignored, reverse '5-1' auto-fixed, out-of-bounds filtered, duplicates deduplicated। Invalid: 'page 1', '1 to 3', '1;3;5'। Tool 'Selected: N pages' live count से verify।
Encrypted ya password-protected PDF split ho sakti hai?
Owner-restricted (print/copy/edit blocked but viewable): हाँ — ignoreEncryption से load। User-password protected (open password): नहीं — content cryptographically encrypted। Workaround: PDF Unlock tool try करें, या original password use करके qpdf से decrypt: `qpdf --password=PWD --decrypt input.pdf out.pdf`, या Adobe Acrobat / Foxit। Ethical: सिर्फ अपनी PDFs unlock करें।
Tool privacy safe hai?
100% client-side, कोई upload नहीं। Verify: DevTools → Network tab → file upload + split → कोई outbound POST नहीं। PDF processing: FileReader → pdf-lib parse → new doc → Blob — सब browser में। WiFi off करके भी काम। कोई tracking, analytics, file metadata log नहीं। iLovePDF/SmallPDF/Adobe Online — सब servers पर upload। हमारा अलग — pure client-side।
Each-page mode mein 50 files kahan jayengi?
Default browser Downloads folder। File names: `{originalname}-page-1.pdf`...`{originalname}-page-50.pdf`। पहली file directly, second पर popup 'Allow multiple downloads?' Allow → rapid sequence (50 files = 4 sec)। Popup denied: सिर्फ 1। Tip: pre-create subfolder। For 100+ pages: range mode से logical groupings (5-10 बड़ी split files) better।
Bookmarks aur metadata preserve hote hain?
Metadata (basic): title, author, subject, creator, keywords copy। Bookmarks: नहीं preserve (pdf-lib limitation)। Internal cross-references: linked pages दोनों selected में हों तो work। External links (URLs): preserved। Form fields, annotations: usually preserved। Images, fonts, content: 100%। For bookmarks intact: Adobe Acrobat 'Extract' या PDFtk। 95% use cases sufficient।
Output file ka size original se chhota kyu nahi hua?
PDF Split का primary purpose content extraction, not compression। Shared resources (fonts, images) usually copy हो जाते हैं। 100-page 10 MB → 5-page split 1-3 MB (not 200 KB)। For real compression: PDF Compress tool — 30-70% reduction। Workflow: split → compress = 95% reduction possible।
Galat range type kar di — out of bounds — kya hoga?
Tool gracefully handle करता है। 50-page + range '45-100' → 45-50 select, 51-100 ignore। '100' single → 0 pages, 'Invalid range' error। Rules: range start <1 → 1; end > total → total; single > total → ignored; negative → ignored; non-numeric → ignored। Live feedback 'Selected: N pages'।

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