Guides
Practical walkthroughs for the file problems people actually run into: an upload portal that rejects your PDF, a photo that is too big for a form, a document that needs one page removed. Each guide explains the why, not just the clicks.
How to Work Out Exact Ages, Days Between Dates and Meeting Times Abroad
Find an exact age on any date for a form, count the days to a deadline or a visa limit, and schedule calls across time zones without daylight saving mistakes.
20 October 2026 · 6 min read
Everyday Maths Made Easy: BMI, Tips, Averages, Ratios and Unit Conversions
Check your BMI in metric or imperial, split a restaurant bill, find a fair average, scale a recipe or a screen size, and convert feet, pounds and Fahrenheit.
20 October 2026 · 7 min read
QR Codes, Coupon Codes and Fair Prize Draws for Shops and Events
Make a printable QR code that never expires, create unique coupon codes to import into your online store, and draw giveaway winners fairly.
20 October 2026 · 6 min read
How to Read, Fix and Shrink JSON and HTML
Turn one-line API responses and messy markup into something readable, find the comma that breaks your JSON, minify it for embedding, and fill templates with placeholder text.
19 October 2026 · 6 min read
Base64 and URL Encoding Explained: Encode, Decode and Avoid Common Bugs
What Base64 and percent-encoding are for, how to read a JWT or a tracking link, and the plus-sign and double-encoding mistakes that break things.
19 October 2026 · 6 min read
UUIDs, Unix Timestamps and Number Bases: A Practical Guide
Generate unique IDs safely, read and create Unix timestamps in seconds or milliseconds, and convert between binary, octal, decimal and hex.
19 October 2026 · 6 min read
How to Hit a Word Limit and Make Your Writing Easier to Read
Check words, sentences and reading time as you write, trim or expand to fit an essay or application limit, and turn stiff phrasing into plain language.
18 October 2026 · 6 min read
How to Clean Up Messy Text, Lists and Capital Letters
Fix text copied from PDFs and websites, remove duplicate lines, sort lists, change capitals without retyping, and reverse the order of lines.
18 October 2026 · 6 min read
iPhone Photos Won't Open or Upload? Convert HEIC to JPG
Why iPhones save HEIC files, how to turn them into JPG or PNG that open everywhere, and how to make them smaller without guessing the quality.
17 October 2026 · 5 min read
How to Prepare Your Photo and Signature for an Online Application
Get a photo and signature at the exact pixel size and KB limit an exam, job or bank form asks for, with a clean white background on the signature.
17 October 2026 · 5 min read
How to Change or Remove Text in an Image
Fix a typo on a poster, update a date on a screenshot, or erase a stray label, with the background filled in and the new text matched in size and colour.
17 October 2026 · 4 min read
How to Convert Voice Memos, Recordings and Videos to MP3
Turn M4A voice notes, WAV recordings and MP4 videos into MP3 files that play everywhere, and pick a bitrate that keeps them small.
17 October 2026 · 5 min read
How to Convert a PDF to Word, Excel or PowerPoint (and Keep It Editable)
Which converter to pick for letters, tables and slides, what comes through cleanly, and what to do with scanned pages.
16 October 2026 · 6 min read
How to Fill In and Sign a PDF Without Printing It
Add your details to a PDF form, fix mistakes, and place a drawn, typed or photographed signature, all in your browser.
16 October 2026 · 6 min read
How to Fix Sideways Pages and Put PDF Pages in the Right Order
Rotate pages so they stay rotated, drag pages into the right order, and remove the blank ones a scanner adds.
16 October 2026 · 5 min read
How to Add Page Numbers and a Watermark to a PDF
Number a report or contract the way readers expect, and mark drafts or confidential files with a text or logo watermark.
16 October 2026 · 5 min read
How to Save PDF Pages as JPG Images
Turn one page or a whole document into pictures for chat apps, social posts, slides and image-only upload forms.
16 October 2026 · 4 min read
What to Check in a PDF Before You Send or Upload It
Page count, file size, encryption and hidden details like the author's name: a two-minute check that prevents rejected uploads and awkward surprises.
16 October 2026 · 5 min read
How to Take a Passport Photo at Home (US 2×2, UK, Schengen and More)
Take a passport or visa photo with your phone, crop it to the right size for your country, and print it as a cheap 4 × 6 photo. Step by step, with the rules that get photos rejected.
7 October 2026 · 6 min read
How to Combine Photos Into One PDF on iPhone or Android (No App)
Turn photos of receipts, documents or homework into a single PDF straight from your phone, using a browser or the tools already built into iPhone and Android.
7 October 2026 · 5 min read
Why Is My PDF So Large? Common Causes and How to Fix Them
A short PDF that weighs 20 MB usually has one of a few causes. Here's how to find which one, and the quickest fix for each, from re-exporting to compressing.
7 October 2026 · 6 min read
How to Convert Preeti to Unicode in MS Word (and Back Again)
Turn an old Preeti Word document into Unicode Nepali that works everywhere, or turn Unicode back into Preeti for a form or template that needs it, without retyping a word.
7 October 2026 · 5 min read
How to Reduce PDF File Size for Email and Upload Limits
Why some PDFs are huge, how to shrink them without making them unreadable, and what to do when a portal still says the file is too large.
5 October 2026 · 7 min read
How to Scan Documents With Your Phone and Turn Them Into a Clean PDF
Take sharp, readable photos of paperwork with any phone, then crop, combine and shrink them into a single PDF that forms and offices will accept.
5 October 2026 · 6 min read
Preparing Documents for an Online Application: A Practical Checklist
Job, university, visa and government portals are strict about formats and sizes. Here is how to get every file accepted on the first try.
5 October 2026 · 8 min read
Merge, Split, Extract or Remove? Choosing the Right PDF Page Tool
Four tools rearrange PDF pages in different ways. Learn which one fits your task, how page ranges work, and how to combine them for bigger jobs.
6 October 2026 · 5 min read
JPG vs PNG vs WebP: Which Image Format Should You Use?
A plain-English comparison of the three image formats every browser supports: how each compresses, when each is the right choice, and when converting helps.
5 October 2026 · 7 min read
How to Resize a Photo to an Exact Size in KB and Pixels
Forms ask for photos like “600 × 600 px, under 100 KB”. Here is the order of steps that hits both targets without making the picture look bad.
5 October 2026 · 6 min read
How to Type in Nepali Unicode Using an English Keyboard
Why Unicode matters, how it differs from Preeti and other legacy fonts, and how to type Nepali or Hindi phonetically without learning a new keyboard layout.
5 October 2026 · 7 min read
How to Create Strong Passwords You Don't Have to Remember
What actually makes a password hard to crack, why reuse is the bigger danger, and a simple setup that keeps every account safe.
5 October 2026 · 6 min read
How Loan EMI Is Calculated, and How to Pay Less Interest
Understand the formula behind fixed monthly loan payments, why early payments are mostly interest, and practical ways to cut the total cost of a loan.
5 October 2026 · 7 min read