Guides

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Short, practical help for photo, signature, PDF and file questions.

2 min readAdvance Tax Due Dates FY 2026-27: Who Must Pay and How MuchThe four advance tax dates for FY 2026-27, the Rs 10,000 rule, who is exempt, and how presumptive taxpayers pay. Work out your own amount free.Read the guide
2 min readAre Online File Tools Safe for Private Documents? What to CheckBefore you upload a passport scan, bank statement or contract to a website, learn how to tell upload-based tools from ones that work on your device.Read the guide
2 min readBrain Games and Mental Maths for Exam SpeedBuild quick mental arithmetic with simple daily drills, tricks for squares and percentages, and timed practice. Use games for warm-ups, not as a substitute.Read the guide
2 min readCGPA to Percentage Conversion Explained: Which Rule to UseDifferent boards and universities convert CGPA to percentage differently. Learn how the common formulas work and which one your form accepts.Read the guide
2 min readCollege Admission Documents: How to Prepare and Upload ThemPrepare mark sheets, certificates and photos for college admission portals and document verification, with tips on combining and naming files.Read the guide
2 min readCTC vs In-Hand Salary: Where the Difference Goes Every MonthLearn why your monthly in-hand salary in India is lower than CTC divided by 12, with a worked example covering PF, gratuity, professional tax and income tax.Read the guide
2 min readDigiLocker Basics for Students and Job SeekersWhat DigiLocker is, why it helps with applications, and how to keep your documents organised, plus what to do when a portal wants a smaller file.Read the guide
2 min readDocuments to Prepare Before You Fill an Online ApplicationGather, scan and name your files before you open the form. A general checklist that makes exam, job and admission applications faster and calmer.Read the guide
2 min readE-Sign Basics for Application Forms and PDFsUnderstand the difference between a drawn signature on a PDF and an official e-sign service, and when each is accepted on forms and declarations.Read the guide
2 min readHow to Fix PDF Upload Errors on Government and Exam PortalsPDF too large, wrong page count, password locked or unreadable? Learn the common PDF upload errors on application portals and how to fix each one.Read the guide
2 min readFrance Income Tax 2026: Parts, Barème and Décote Explained SimplySee how French income tax is worked out in 2026: the 10% salary allowance, family parts, the barème per part, the décote and a worked example.Read the guide
2 min readGermany Gross to Net Salary 2026: Social Insurance and Income TaxUnderstand how a German gross salary becomes net pay in 2026, covering pension, health, care and unemployment insurance, income tax and a worked example.Read the guide
2 min readGhana and Uganda PAYE Explained: SSNIT, NSSF and the Monthly BandsA plain guide to how monthly PAYE and take-home pay work in Ghana and Uganda, with the current bands, pension deductions and a worked example for each.Read the guide
2 min readGratuity Formula Explained: The 15/26 Rule With a Worked ExampleHow gratuity is calculated in India, what counts as salary and service, when it is payable and a worked example using the standard 15 by 26 formula.Read the guide
2 min readGST Basics: How to Add or Remove GST From Any PriceLearn how GST is added to or taken out of a price, how CGST, SGST and IGST split the tax, and how to avoid the common mistake when removing GST.Read the guide
2 min readHow Compound Interest Grows Money: Simple Examples You Can CheckUnderstand compound interest with plain examples, see how it differs from simple interest, and learn why time and compounding frequency change the result.Read the guide
2 min readHow Kenya Take-Home Pay Is Worked Out: PAYE, NSSF, SHIF and Housing LevySee how a Kenyan payslip goes from gross pay to net pay, which deductions come off before PAYE, and how to check your own figures with a free calculator.Read the guide
2 min readHow to Add Page Numbers to a PDF (Any Position, Any Start Number)Number the pages of a PDF at the top or bottom, skip the cover page and choose a format such as Page 1 of 10. A simple step-by-step guide.Read the guide
2 min readHow to Avoid Last-Day Rush Errors on Application FormsPortals slow down and crash near deadlines. Plan your timeline, prepare files early and use a simple routine to submit your form without mistakes.Read the guide
2 min readHow to Calculate Your Percentage and the Marks You NeedWork out your percentage from total marks, find the marks needed for a target and avoid common mistakes. Includes worked examples and a free calculator.Read the guide
2 min readHow to Check Image Size and Dimensions Before You UploadLearn to read the file size in KB and the width and height in pixels on phone and computer, so you know your photo fits before the form says no.Read the guide
2 min readHow to Convert Multiple Photos into One PDF in the Right OrderCombine photos and scans into a single PDF with the right page order and size. Tips on A4, orientation and keeping the file small enough to upload.Read the guide
2 min readHow to Convert PDF Pages to JPG ImagesSave each page of a PDF as a JPG picture for slides, chat apps or forms that only take images. Learn how to pick quality and keep files small.Read the guide
2 min readHow to Copy Text from an Image or Scanned Document (OCR)Turn a photo, screenshot or scan into text you can copy. Tips for better accuracy, choosing the right language and fixing common reading errors.Read the guide
2 min readHow to Enlarge a Small Image Without Making It Look WorseMake a small picture bigger with smooth resizing. Learn what upscaling can and cannot do, which scale to pick and how to avoid a blurry result.Read the guide
2 min readHow to Extract Audio from a Video and Save It as MP3Pull the soundtrack out of a video as MP3, M4A or WAV. Learn which format to choose for lectures, interviews and voice notes, and how to keep it private.Read the guide
2 min readHow to Make a Signature Image with a Transparent BackgroundCreate a clean digital signature as a transparent PNG or a form-ready JPG. See when to draw, when to type and how to meet pixel and KB limits.Read the guide
2 min readHow to Make and Use Flashcards That Actually WorkLearn how to write good flashcards, how many to make, and how to study them so facts stay in memory. Make a free deck in your browser.Read the guide
2 min readHow to Password Protect a PDF Before Sharing ItLock a PDF with a password so only the right person can open it. Learn how to choose a strong password, share it safely and what protection can not do.Read the guide
2 min readHow to Plan a Study Timetable That You Can Actually FollowBuild a realistic weekly study timetable: list subjects, set time blocks, add breaks and review days, and adjust it when life gets in the way.Read the guide
2 min readHow to Prepare for a Government Typing TestGeneral preparation tips for clerical and data entry typing tests: speed targets, accuracy rules, practice routines and what to do on test day.Read the guide
2 min readHow to Prepare for NEET and JEE Application FormsA general guide to getting photo, signature and documents ready for national entrance exam forms, so you can apply calmly and avoid mistakes.Read the guide
2 min readHow to Redact a PDF So the Hidden Text Cannot Be RecoveredBlack boxes drawn over text can often be removed. Learn how real redaction works, what to hide before sharing a PDF and how to check the result.Read the guide
2 min readHow to Reorder and Delete Pages in a PDF Without Special SoftwareRemove blank or private pages, change page order or keep only what you need. A simple guide to editing a PDF page list in your browser.Read the guide
2 min readHow to Resize an Image to Exact Pixels, cm or InchesSet the width and height of a picture in pixels, centimetres, millimetres or inches. Learn how fit options work and how to avoid a stretched photo.Read the guide
2 min readHow to Scan Certificates for Online Upload Without RejectionScan mark sheets and certificates so they are readable, correctly oriented and small enough for portals. A practical guide using only a phone.Read the guide
2 min readHow to Send Many Files by Email: Use a ZIP and Stay Under the LimitEmail attachments have size limits. Learn how to bundle files into a ZIP, shrink them first and avoid bounced messages when sending documents.Read the guide
2 min readHow to Split a PDF and Extract Only the Pages You NeedPull specific pages out of a big PDF or split it into one file per page. Learn how to type page ranges, avoid common mistakes and keep files private.Read the guide
2 min readHow to Spot Fake Websites and Job Scams Before You Lose MoneyCheck web addresses, payment requests and job offers for warning signs. A simple checklist to avoid fake sites, fake recruiters and advance-fee scams.Read the guide
2 min readHow to Trim a Video and Keep Only the Part You WantCut a video clip by start and end time. Learn the difference between fast and frame-accurate trimming and how to keep the result small enough to share.Read the guide
2 min readHow to Trim an Audio File and Add a Fade In and OutCut a song, voice note or recording to the part you want and add smooth fades. Learn how to enter times, avoid abrupt endings and keep the quality.Read the guide
2 min readHow to Write a Cover Letter That Gets ReadA simple structure for a one-page cover letter: opening, evidence, closing. Includes what to avoid and a free template you can edit and save as PDF.Read the guide
2 min readHow to Write a Resignation Letter: Format and ExamplesWrite a short, polite resignation letter with the right notice period, last working day and handover offer. Includes a sample and a free template.Read the guide
2 min readHRA Exemption Explained: The Lowest-of-Three Rule With an ExampleLearn how the tax-free part of house rent allowance is worked out in India, with the three amounts compared, a metro example and common mistakes to avoid.Read the guide
2 min readInterview Preparation Basics: A Simple Checklist Before You GoPrepare for a job interview in a few focused steps: research, common questions, the STAR method, questions to ask and what to do on the day.Read the guide
2 min readLinkedIn Profile Basics for Students and Job SeekersSet up a clear LinkedIn profile: photo, headline, about section, experience and skills. Simple steps that help recruiters find and trust you.Read the guide
2 min readMorocco Net Salary 2026: CNSS, AMO and Income Tax (IR) ExplainedA clear guide to how Moroccan net salary is worked out in 2026, covering CNSS, AMO, professional expenses, the IR barème and a worked monthly example.Read the guide
2 min readName and Date of Birth Mismatch: What to Check Before You ApplySpelling and date differences between your certificates can cause problems at verification. Learn how to spot them early and what to do about them.Read the guide
2 min readName Change and Affidavit Basics in General TermsA plain overview of why name differences arise, what an affidavit is, and how to prepare documents, with a reminder to follow your local rules.Read the guide
2 min readNigeria PAYE Under the Nigeria Tax Act 2025 Explained With an ExampleHow Nigerian take-home pay is worked out under the Nigeria Tax Act 2025: the tax-free band, pension, rent relief and a worked example you can repeat.Read the guide
2 min readOld vs New Tax Regime in India: How to Compare and ChooseCompare the old and new income tax regimes in India, see how slabs and deductions change the tax, and learn how to find your break-even point with a calculator.Read the guide
2 min readPhoto Rules for PAN, Passport and Voter ID in General TermsCommon photo requirements for identity documents in India, how they differ, and how to prepare a clean photo, without quoting exact official limits.Read the guide
2 min readPomodoro Technique for Exam Preparation: A Practical GuideStudy in 25-minute blocks with short breaks. Learn how to set Pomodoros for exam revision, what to do in breaks and how to adjust the lengths.Read the guide
2 min readPreparing for SSC, Bank and State Exam Application FormsA general plan for applying to SSC, banking and state government recruitment exams: registration, photo, signature and documents, without guesswork.Read the guide
2 min readHow to Reduce Photo Size in KB on iPhone, Windows and MacGet a photo under 20 KB, 50 KB or 100 KB on an iPhone, a Windows laptop or a Mac. What the built-in apps can and cannot do, and the fastest exact way.Read the guide
2 min readResume Format for Freshers With No Experience (Free Template)What a fresher resume should include, in what order, with a one-page layout, example wording and mistakes to avoid. Build and download yours free.Read the guide
2 min readScholarship Application Document Checklist for StudentsGet your documents ready for scholarship applications: what to collect, how to scan it, and how to avoid common upload and verification problems.Read the guide
2 min readSIP vs Lump Sum: How the Maths Differs and How to Compare ThemLearn how a monthly SIP and a one-time lump sum grow differently, how to compare them fairly with two free calculators, and why returns are never guaranteed.Read the guide
2 min readSouth Africa PAYE for 2026/27: Rebates, UIF and Take-Home PayLearn how South African PAYE works for the 2026/27 tax year, from the tax bands and age rebates to UIF and retirement contributions, with a worked example.Read the guide
2 min readSpaced Repetition Basics: Remember More With Less Study TimeSpaced repetition means reviewing material at growing gaps. See how to schedule reviews by hand and use flashcards to make it simple.Read the guide
2 min readSpain Net Salary 2026: IRPF, Social Security and 12 or 14 PaymentsHow Spanish net salary is worked out in 2026, including Social Security, the IRPF scale, the personal minimum and what changes with 12 or 14 payments.Read the guide
2 min readTDS Rates and Limits for FY 2026-27: A Simple ChartTDS rates and thresholds for contractors, professionals, rent, commission and interest, the no-PAN rule, and what changed with the new Income-tax Act. Calculate yours free.Read the guide
2 min readText to Speech for Studying: Listen to Your Notes and Revise FasterUse text to speech to hear your notes, catch errors in writing and revise while walking. Practical tips and how to set voice and speed.Read the guide
2 min readThe 50/30/20 Budget Rule Explained With ExamplesHow the 50/30/20 rule splits your income into needs, wants and savings, what to do when rent is too high, and how to set it up in minutes.Read the guide
2 min readTouch Typing for Beginners: From Home Row to the Full KeyboardLearn finger placement, the home row and a step-by-step order for learning every key without looking down. Includes a simple daily practice routine.Read the guide
2 min readTwo-Factor Authentication Basics: Why You Need It and How to Set It UpTwo-factor authentication adds a second check to your login. Learn the types, which is safest, how to set it up and what to do if you lose your phone.Read the guide
2 min readWhat a Thumb Impression Upload Means on Exam FormsSome application forms ask for a scanned left thumb impression. Learn what it is, how to make a clean one at home, and how to prepare the file.Read the guide
2 min readWhy Online Form Photo Uploads Get Rejected and How to Fix EachThe most common reasons a photo or signature upload is rejected on exam and job portals, and a simple fix for each one, step by step.Read the guide
2 min readWPM Explained: How Typing Speed and Accuracy Are MeasuredUnderstand gross and net WPM, how accuracy is calculated and why errors lower your score. Learn which numbers matter for tests and jobs.Read the guide
2 min readZambia and Egypt Salary Tax: NAPSA, NHIMA and Social Insurance ExplainedHow take-home pay is worked out in Zambia and Egypt in 2026, including pension and insurance deductions, the tax bands and a worked example for each country.Read the guide
2 min readHow to Add a Watermark to Photos and PDFs (Free, No Upload)Protect your photos and documents with a text watermark: where to place it, how transparent to make it and how to apply it to many files at once.Read the guide
2 min readHow to Blur Faces and Number Plates Before You Share a PhotoHide faces, vehicle plates, names and numbers in a picture so they cannot be recovered. Free and done privately on your device.Read the guide
2 min readHow to Choose and Keep Strong PasswordsLength beats cleverness. Learn what makes a password strong, how to remember it, and how to generate one in your browser.Read the guide
2 min readHow to Compress a Video for Email and WhatsApp Without Losing QualityMake a video small enough to send by email or messaging: choose the right resolution and quality, remove sound if needed and trim the length. Free and private.Read the guide
2 min readConvert Excel to PDF Without Breaking the LayoutTurn a spreadsheet into a tidy PDF table. What is kept, what is not, and how to avoid pages that cut off columns.Read the guide
2 min readHow to Convert a PDF to an Editable Word DocumentTurn the text of a PDF into a Word file you can edit, for free and without uploading it. What works, what does not, and what to do with scanned PDFs.Read the guide
2 min readHow to Convert a Word Document to PDF for Free (No Software Needed)Turn a Word .docx file into a PDF in your browser without Microsoft Word, with no upload and no watermark. What is kept, what changes and how to fix common problems.Read the guide
2 min readHow to Crop an Image to an Exact Size or Aspect RatioCrop a photo to 1:1, 4:3, 16:9 or any shape, then set the exact pixel size. A simple guide for profile pictures, thumbnails and forms, free and private.Read the guide
2 min readHow to Calculate EMI and Compare Loans Before You SignWork out your monthly loan payment, see how much interest you really pay, and compare two loan offers with a free EMI calculator.Read the guide
2 min readHow to Remove a Password From a PDF You OwnIf you know the password, you can save an unlocked copy so the PDF opens without it. Free, private and done in your browser.Read the guide
2 min readHow to Type Faster: A 4-Week Practice PlanBuild typing speed and accuracy with ten minutes a day. Includes how to measure your words per minute and what a good score looks like.Read the guide
2 min readHow to Write a Resume That Gets Read (and Make the PDF Free)A simple one-page resume structure, what to put in each section, and how to download a clean PDF without signing up anywhere.Read the guide
2 min readMake a GIF From Photos or a Video ClipTurn a set of pictures or a short video into a looping GIF, and keep the file small enough to share.Read the guide
2 min readHow to Reduce Photo Size in KB on Your Phone (Android and iPhone)Reduce a photo to 20 KB, 50 KB, 100 KB or 200 KB right on your phone, with no app to install. Step-by-step for Android and iPhone, free and private.Read the guide
2 min readScan Documents With Your Phone Into a Clean PDFUse your phone camera as a scanner. Tips for sharp pages, plus how to combine photos into one small PDF without installing an app.Read the guide
2 min readHow to Verify a Download With a SHA-256 ChecksumA checksum proves a file was not damaged or changed. Learn what SHA-256 is and how to check a download in your browser without uploading it.Read the guide
2 min readHow to Compress a PDF Without Losing QualityWhy PDFs get large, which settings matter, and how to shrink a PDF to 100 KB, 500 KB or 1 MB while keeping it readable. Free and private.Read the guide
2 min readHow to Convert HEIC Photos to JPG on iPhone, Windows and AndroidWhy iPhone photos are saved as HEIC, why they will not open or upload, and the quickest way to turn them into JPG or PNG for free.Read the guide
2 min readHow to Create a Free QR Code for a Link, Wi-Fi or ContactMake a QR code that never expires and has no tracking. Learn which settings to use for print, how to share Wi-Fi and how to test your code.Read the guide
2 min readHow to Sign a PDF for Free Without PrintingSign a PDF on your phone or computer by drawing, typing or uploading your signature. No printer, no account and no upload to a server.Read the guide
2 min readHow to Record Your Screen for Free in the BrowserRecord your screen, a window or a browser tab with sound, with no software, no watermark and no time limit. Tips for clear tutorials and meetings.Read the guide
2 min readHow to Remove the Background from an Image for FreeCut out a person or product from a photo and get a transparent, white or coloured background, free and without uploading your picture.Read the guide
2 min readHow to Remove Location and EXIF Data from Photos Before SharingPhone photos can reveal where you live and which device you use. Learn what EXIF data is and how to strip it for free before you post or send a photo.Read the guide
2 min readImage Sizes for Instagram, YouTube, X, Facebook and LinkedInThe recommended image sizes for posts, stories, covers and thumbnails on the main social networks, and how to resize any photo to fit without cropping mistakes.Read the guide
2 min readJPG vs PNG vs WebP: Which Image Format Should You Use?A plain-language comparison of JPG, PNG and WebP, so you pick the right format for photos, screenshots, logos and forms.Read the guide
2 min readHow to Make a Passport-Size Photo at HomeTake and resize a passport or visa photo with just a phone: background, lighting, pixel sizes for common countries, and how to meet file size limits.Read the guide
2 min readHow to Merge PDF Files on a Phone or ComputerCombine several PDF files into one document in seconds, without installing an app and without uploading your files.Read the guide
2 min readPhoto and Signature Checklist for Exam Application FormsA practical checklist so your photo and signature are accepted the first time on SSC, bank, NTA and other exam application forms.Read the guide
2 min readHow to Reduce an Image to 20 KB for Online FormsA simple, step-by-step way to get a photo or signature under 20 KB for exam and job application forms, without it turning blurry.Read the guide
2 min readHow to Reduce PDF Size for Online Forms and EmailWhy PDFs get so big, and the easiest ways to bring one under 200 KB, 500 KB or 1 MB for uploads and email attachments.Read the guide