Blog
Step-by-step guides for every Browser Tools tool, plus diet, health, money and productivity how-tos.
How to Extract Audio From a Video to MP3 (Free)
Save the sound from any video as an MP3 in your browser: music, voice notes, lectures or interviews. Trim first, keep high quality, no upload or sign-up.
· 2 min read
How to Improve Your Readability Score (Flesch Explained)
What Flesch Reading Ease and grade level mean, what score to aim for, and 8 practical ways to make your writing easier to read, with before and after examples.
· 3 min read
How to Make a Passport Size Photo at Home
Take a passport or visa photo with your phone and size it to 2 × 2 inches or 35 × 45 mm at 300 DPI, ready to print or upload. Rules, tips and sizes.
· 3 min read
How to Make a QR Code for Free (Links, Text and Wi-Fi)
Create a free QR code for a website, text or Wi-Fi network that never expires. Choose error correction, colours and size, then download PNG or SVG for print.
· 3 min read
How to Make a Song Mashup: Tempo, Crossfades and Layers
Make your own song mashup: choosing songs that fit, matching BPM, crossfading or layering vocals over a beat, and the filter tricks that keep it clean.
· 4 min read
How to Make an Invoice for Free (Step by Step, With Examples)
Learn what to put on an invoice, how to number it, which payment terms to use, and how to make a clean PDF invoice for free in a few minutes.
· 4 min read
How to Make Nightcore Songs Online (Speed and Pitch Guide)
Make nightcore versions of songs: the right speed-up, why the pitch rises, how to keep vocals listenable, and settings for energetic, clean edits.
· 3 min read
How to Make Slowed and Reverb Songs (Best Settings)
Make your own slowed and reverb edits: the speed, reverb and room settings that work, why the sound feels dreamy, and how to avoid a muddy mix.
· 4 min read
How to Measure Body Fat at Home With a Tape Measure
Estimate your body fat percentage with the US Navy method: where to measure your neck, waist and hips, what the results mean, and how accurate it is.
· 3 min read
How to Merge PDF Files Into One (Free, No Upload)
Combine several PDFs into one file in the order you choose, with no watermark and no upload. Step-by-step guide, tips for big files and common fixes.
· 3 min read
How to Open DOCX Files Without Microsoft Word
Read .docx documents in your browser with the layout, images and page breaks intact. Zoom, search, print or convert to PDF. Free, no upload, no sign-up.
· 3 min read
How to Open Excel Files Without Excel (XLSX, XLS, CSV)
View .xlsx, .xls, .ods and .csv spreadsheets in your browser without Microsoft Excel: sheets, formulas, search, sort and CSV export. Free and private.
· 3 min read
How to Read a Blood Test Report: A Plain-English Guide
Learn how to read your blood test report: what reference ranges, H and L flags and units mean, which results matter most, and when to call a doctor.
· 4 min read
How to Remove Audio From a Video (Mute It Free)
Remove the sound from MP4, MOV, WebM or MKV videos in seconds without losing picture quality. Free, private, in your browser, with no watermark.
· 3 min read
How to Remove Duplicate Lines From a List (and Sort It)
Remove duplicate lines from email lists, keywords, names or URLs, ignore case and extra spaces, drop empty lines and sort A to Z, Z to A or by length.
· 3 min read
How to Remove Formatting From Copied Text (Paste as Plain Text)
Strip fonts, colours, hidden spaces and broken line wraps from text copied from websites, PDFs, Word or email, and paste clean plain text anywhere.
· 3 min read
How to Remove Line Breaks From Text (Keep or Join Paragraphs)
Remove unwanted line breaks from text copied from PDFs and emails, keep paragraph breaks if you want, or turn a column of items into one comma-separated line.
· 3 min read
How to Resize an Image Online (Pixels or Percent)
Resize photos to any width and height, or by percentage, without stretching faces. Learn fill vs fit, how to avoid blur, and how to resize many at once.
· 3 min read
How to Rotate a Video 90 or 180 Degrees (and Flip It)
Fix sideways or upside-down phone videos: rotate 90° or 180°, mirror or flip them, and save a new MP4. Free, private, in your browser, no watermark.
· 3 min read
How to Speed Up or Slow Down a Video (Keep the Pitch)
Change a video's speed from 0.25× slow motion to 4× fast, with the voice keeping its normal pitch. Free, private, in your browser, no watermark.
· 2 min read
How to Trim a Video Without Losing Quality
Cut the start or end off a video in seconds without re-encoding, or make a frame-exact cut. Works with MP4, MOV, WebM and MKV in your browser, free.
· 2 min read
How to Write a Price Quote That Wins the Job
What to put in a quote or estimate, how to price each part, how long it should be valid, and example wording you can copy. Make a PDF quote free.
· 3 min read
How to Write TikTok and Reels Captions and Hashtags
Write hooks, captions and hashtags that help short videos get found on TikTok, Instagram Reels and YouTube Shorts, with templates, limits and real examples.
· 3 min read
Instagram Image Sizes Guide: Posts, Stories, Reels
The best Instagram sizes for portrait, square and landscape posts, stories and reels, plus how to post a full photo without Instagram cropping it.
· 3 min read