Citation generator (APA, MLA, Harvard, IEEE), PDF editor, image tools, word counter, plagiarism-style similarity checker, DIU attendance calculator, and Pomodoro timer — all free in your browser.
26 tools · No signup · Privacy-first (local processing)
APA, MLA, Harvard, IEEE — instant references
Word count, case convert, grammar & paraphrase helpers
Free online word counter for essays and assignments. Count words, characters, sentences, paragraphs, and estimated reading time.
Open tool →🔤Count characters online for Twitter, SMS, meta descriptions, and university word limits. Includes spaces toggle and word count.
Open tool →🔠Convert text to UPPERCASE, lowercase, Title Case, or Sentence case instantly. Free case converter for students.
Open tool →✍️Free grammar helper highlights common mistakes: double spaces, punctuation, homophones, and long sentences. Browser-based — no signup.
Open tool →🔄Compare original and rewritten text side-by-side with similarity score. Helps students paraphrase properly and avoid copy-paste issues.
Open tool →Compress, resize, passport photo, background remover
Compress images online without uploading to a server. Reduce JPG and PNG file size for assignments, forms, and submissions.
Open tool →📐Resize photos to exact pixel dimensions. Contain or cover fit for ID cards, presentations, and university portals.
Open tool →🪪Create passport-size photos (35×45 mm / 413×531 px) for visa, job, and university forms. Crop and download instantly.
Open tool →✂️Remove white or light backgrounds from ID and passport photos in your browser. Best for studio/light-backdrop images.
Open tool →Edit, protect, extract, OCR, and convert PDFs in browser
Add page numbers to every page of your PDF file in the browser. Free for reports, thesis, and assignments.
Open tool →💧Add diagonal text watermark to PDF documents. Mark drafts as CONFIDENTIAL or add your name before sharing.
Open tool →🔒Mark PDFs as protected with a visible watermark before sharing drafts. For true password encryption, use desktop PDF software.
Open tool →🔓Re-save PDFs that have no encryption lock. Files stay in your browser. Cannot remove unknown passwords — we do not crack files.
Open tool →🔄Rotate all or selected PDF pages. Fix scanned assignments uploaded sideways.
Open tool →📑Extract specific pages from a PDF into a new file. Example: pages 1,3,5-7.
Open tool →📋Reorder PDF pages by entering new page sequence. Put appendix first or fix mixed scan order.
Open tool →🔎Extract text from searchable PDFs instantly. For scanned PDFs, text quality depends on document — use clear scans.
Open tool →📃Convert PDF content to plain text and download .txt file. Free browser-based PDF to text converter.
Open tool →📊Convert PDF text lines to CSV for Excel. Best for text-based PDFs; tables may need manual cleanup in Excel.
Open tool →📽️Export each PDF page as PNG images you can insert into PowerPoint slides. Free alternative to heavy PPTX converters.
Open tool →📓Enhance photo scans of handwritten class notes — boost contrast for clearer prints and PDFs. Runs in browser.
Open tool →Similarity and AI-writing risk estimates
Free similarity checker compares two texts and shows overlap percentage. Educational tool — not a commercial plagiarism database.
Open tool →🤖Estimate AI-writing patterns in your draft with a free heuristic scan. Educational guide only — not a definitive AI detector.
Open tool →Attendance calculator, Pomodoro, CGPA
Enter your class attendance percentage and get marks out of 7 instantly. Formula: (attendance % ÷ 100) × 7 — e.g. 90% = 6.3 marks. DIU BBA students.
Open tool →⏱️Free Pomodoro timer for study sessions: 25 minutes focus, 5 minute break. Track cycles and stay productive during exams.
Open tool →Yes. All tools on DIU BBA Archive run free in your browser. No account required for most tools.
PDF and image tools process files locally in your browser whenever possible. Your files stay on your device.
No. Our similarity checker compares two texts you paste — it is an educational overlap estimate, not a database plagiarism report.
Attendance marks out of 7 = (your attendance % ÷ 100) × 7. Example: 90% → 6.3 marks. Results update as you type.
University students search for citation generators, PDF utilities, and plagiarism checkers every semester. DIU BBA Archive bundles these tools alongside question banks and class routines so DIU BBA students need fewer scattered websites. Each tool page is optimized for Google with clear titles, FAQs, and structured data.