Guides and how-tos
Step-by-step help for the jobs students, teachers and offices do every day: fitting files under upload limits, typing and converting Hindi, citing sources, and preparing for exams. Each guide links to a free LMPure tool that does the job in your browser.
PDF help
PDF helpHow to compress a PDF under 100 KB or 200 KB for online formsOnline forms often reject PDFs over 100 KB or 200 KB. Here is how to make a certificate, mark sheet or ID proof small enough while keeping it readable.PDF helpHow to resize a photo and signature for SSC, IBPS and other government formsMake your passport photo and signature the right size in KB and pixels for recruitment forms, without the image becoming blurry or being rejected.PDF helpHow to merge PDF files on your phone without installing an appCombine several PDFs or scanned pages into one file on Android or iPhone, in the right order, without uploading your documents anywhere.PDF helpHow to sign a PDF without printing itAdd your handwritten signature to a PDF form, offer letter or agreement on your phone or computer, without printing and scanning.PDF helpHow to make a scanned PDF searchable with OCR (Hindi and English)Turn a scanned book, notes or document into a PDF you can search and copy text from, in Hindi or English, using free OCR in your browser.PDF helpHow to convert photos into a single PDF (JPG to PDF)Turn photos of documents, handwritten assignments or notes into one neat PDF, in the right order and page size, on a phone or computer.
Hindi typing
Hindi typingHow to convert Kruti Dev text to Unicode Hindi (and back)Why Kruti Dev text turns into English letters on other computers, and how to convert it to Unicode Hindi for websites, WhatsApp and online forms.Hindi typingHindi fonts explained: Unicode, Kruti Dev, APS and MangalHindi fonts and keyboards explained simply: which font to use for typing tests, printing, websites and office work.
Research and writing
Research and writingAPA 7th edition referencing: a quick guide with examplesHow to write APA 7 references and in-text citations for journal articles, books, chapters and websites, with clear examples and common mistakes to avoid.Research and writingMLA 9th edition: how to format a Works Cited pageMLA style made simple: in-text citations, the core elements of a Works Cited entry, and examples for books, articles, websites and films.Research and writingHow to choose a journal for your research paper and avoid predatory journalsA practical checklist for researchers and PhD scholars: match your paper to the right journal, check indexing yourself and spot fake or predatory journals.
Exam preparation
Exam preparationUPSC mains answer writing: a structure that worksHow to plan and write UPSC and PCS mains answers within the word limit: the directive, introduction, body, conclusion and daily practice.Exam preparationHow to study with flashcards: active recall for competitive examsWhy testing yourself beats re-reading, and how to make and use flashcards for GK, current affairs, vocabulary and formulas with spaced revision.
For teachers
For teachersHow to make an OMR sheet and check it with your phoneFor coaching institutes and schools: create printable OMR answer sheets for MCQ tests and check them with a phone camera, without an OMR machine.For teachersHow to protect your PDF notes from being shared on TelegramHow teachers and coaching institutes can stop paid PDF notes being shared: personalised watermarks, flattening, passwords and leak tracing.For teachersHow to make a well-formatted question paper in Hindi or EnglishA teacher's guide to building class tests and practice papers: blueprint, question mix, bilingual formatting, multiple sets and answer keys.