Guides that help you get more from every tool
Step-by-step tutorials, honest tips and plain-English explanations for PDFs, images, text and everyday maths.
Everyday PDF Jobs: Which Tool to Use and When
A practical overview of merging, splitting, compressing and creating PDFs from images, with advice on choosing the right free browser tool for each job.
How to Merge PDF Files Into One Clean, Correctly Ordered Document
Learn how to merge PDF files in the right order, handle mixed page sizes, avoid common mistakes and keep the result small, all inside your browser.
Image Compression Explained: Smaller Files, Same Good Looks
Understand lossy and lossless compression, find the quality sweet spot for JPG, PNG and WebP, and speed up your pages without visible damage.
Strong Passwords Made Simple: Length, Randomness and Good Habits
Learn what makes a password strong, why length beats complexity, how managers and passphrases help, and how to generate one safely in your browser.
Crop, Resize, Compress, Convert: The Right Order for Image Edits
A simple image workflow for beginners: crop first, resize next, compress and convert last, so every picture stays sharp and light.
How to Shrink a PDF for Email and Keep It Readable
Reduce PDF file size for email limits and upload forms. Learn the three compression levels, the trade-offs, and how to keep text sharp and legible.
Percentages Made Easy: Four Common Problems With Worked Examples
Solve the four everyday percentage problems, from discounts to price changes, with clear formulas, worked examples and a free online calculator.
Image Sizes for Social Media and the Web, Without the Blur
Learn which pixel sizes and aspect ratios suit social posts, covers and web banners, and how to resize images without stretching or blur.
Basic and Scientific Calculator: Get Accurate Answers Faster
Learn when to use basic or scientific mode, how order of operations works, and how to avoid common calculator mistakes in your browser.
How to Split a PDF and Pull Out Only the Pages You Need
Extract page ranges or split a PDF into single pages in your browser. Learn range syntax, common mistakes and how to share only what you intend to.
Turn Photos and Scans into One Tidy PDF in Minutes
Combine JPG, PNG and WebP images into a single PDF. Learn how to set page size, orientation, margins and order so the document looks professional.
Bold and Italic Text for Social Bios: What Works and What Doesn't
Learn how Unicode bold, italic and script text works on social profiles, where it displays well, and the accessibility trade-offs to know first.
Crop Photos Like a Pro: Ratios, Composition and Profile Pictures
Learn how to crop images with the right aspect ratio, apply the rule of thirds, and prepare sharp profile pictures using a free browser-based cropper.
Meta Tags That Get Clicks: Titles, Descriptions, Open Graph and More
Write better title and description tags, add Open Graph, Twitter Card, canonical and robots tags, and preview the result before publishing.
Unit Conversion Made Simple: Metric, Imperial and Data Sizes
Understand metric versus imperial, the common conversions worth knowing, temperature formulas and how data units work, with a free converter.
PNG, WebP or GIF to JPG: Backgrounds, Quality and Size
Convert PNG, WebP, GIF and BMP files to JPG. Learn how transparency is handled, how to choose a background colour, and how to set the right quality.
Reading Exchange Rates: A Practical Currency Converter Guide
Understand exchange rates, the difference between mid-market and bank rates, and how to use a currency converter for travel budgets and client invoices.
Word Counter Guide: Hit Limits for Essays, SEO and Social
Use a word counter to meet essay and post limits, estimate reading and speaking time, and spot overused keywords in your writing.
Favicon Sizes Explained: Build a Complete Icon Set for Your Site
Learn which favicon sizes browsers and phones need, how to design an icon that stays readable at 16 pixels, and how to add the HTML link snippet.
Fix Sideways Photos: Rotate, Flip and Mirror Images in Seconds
Turn sideways phone photos upright, correct mirrored selfies and straighten crooked shots using free rotate and flip tools in your browser.
Pick Colours From Any Image and Build a Palette That Works
Use an image colour picker to read HEX, RGB and HSL values, extract a dominant palette from a photo, and check colours for readable contrast.
Text Tools Explained: Word Counting and Styled Text for Writers
See what a word counter and a Unicode text styler actually do, when each one helps, and how to use them without hurting readability.
JPG to PNG, WebP or GIF: When Converting Makes Sense
Understand what changes when you convert JPG to PNG, WebP or GIF, what quality cannot be recovered, and which format suits your actual purpose.
Timer and Stopwatch: Focus Sessions, Cooking and Workout Laps
Learn when to use a timer versus a stopwatch, set up Pomodoro focus blocks, time cooking steps and record laps during workouts.
Everyday Calculators and Converters: Picking the Right One
A tour of the calculator and converter tools for money, health, home and productivity, with advice on which to reach for in each situation.