Blog
By Siavash Ghanbari · Founder of Emojar
🟨How Prettier Formats JavaScript, and the Bugs It Can Reveal
Prettier rebuilds your code from a syntax tree instead of adjusting whitespace. Here's how that works, what changes, and how formatting exposes real bugs.
Tool GuideDeveloperJavaScriptPrettier📖How Readability Formulas Score Your Writing, Step by Step
What Flesch Reading Ease, Fog and SMOG actually measure, why syllable counts are guesses, and a real rewrite that moved a paragraph from 0.3 to 88.7.
Tool GuideTextWritingReadability√How Simplifying Square Roots Works, With Worked Examples
Why does √48 become 4√3? Learn what perfect squares, irrational roots and simplified radicals really are, with worked examples you can check.
Tool GuideCalculatorsMathExplainer0️⃣How Text Becomes Binary, Letter by Letter (UTF-8 Explained)
Why is "Hi" 01001000 01101001, and why does an emoji take 32 bits? A plain walkthrough of how characters turn into bytes and back again.
Tool GuideDeveloperBinaryEncoding➕How to Calculate a Deadline by Adding Days to a Date
Six everyday deadline calculations - 90-day windows, business-day turnarounds, month-end renewals and countdowns backward from an event - with worked answers.
Tool GuideDate & TimeDatesDeadlines🍽️How to Calculate a Tip and Split the Bill Fairly
Pre-tax or post-tax? 15% or 20%? How to handle the leftover cent? A practical guide to tipping math and splitting a restaurant bill between friends.
Tool GuideCalculatorsMoneyHow-to🧪How to Calculate Molar Mass, Step by Step (With Ca(OH)2)
Add up atomic weights by hand, check percent composition and turn grams into moles, using calcium hydroxide and a copper sulfate hydrate.
Tool GuideCalculatorsChemistryMolar Mass🧂How to Choose a bcrypt Cost Factor (and Read a bcrypt Hash)
Cost 10, 12 or 14? How the bcrypt work factor trades login speed for cracking resistance, how to measure it, and what each part of a $2b$ hash means.
Tool GuideDeveloperSecurityPasswords🪪How to Choose a Good Username: A 9-Point Checklist
A practical checklist for picking a username, gamer tag or professional handle that is easy to say, safe to reuse and short enough to fit everywhere.
Tool GuideGeneratorsUsernamesPrivacy🧰How to Copy and Paste Emojis on Any Device
Keyboard shortcuts for Windows, Mac, ChromeOS and phones, how emoji search works, and why the same emoji can look different — or show as a box.
Tool GuideEmojiHow-toKeyboard💼How to Count Business Days Between Dates, Excluding Holidays
A checklist for accurate working-day counts - inclusive dates, the right weekend, observed holidays and holidays that fall on weekends - with 2026 examples.
Tool GuideDate & TimeDatesBusiness⏳How to Create a Countdown Link Anyone Can Open
Make a live countdown to a launch, trip or deadline and share it as a plain link that shows the right time in every time zone - no account or app needed.
Tool GuideDate & TimeCountdownsEvents✂️How to Cut a Ringtone or Podcast Clip From an Audio File
A walkthrough of two real trimming jobs, a 30-second ringtone and a shareable podcast clip, with fade lengths, export sizes and the mistakes that cause clicks.
Tool GuideAudio & VideoAudioHow-to✂️How to Cut Any Shape With CSS clip-path Polygons
How clip-path polygon(), circle(), ellipse() and inset() define a visible region, how the percentages work, and how a five-point star is plotted.
Tool GuideDeveloperCSSWeb Design🧽How to Delete Blank Lines From Text Copied Out of PDFs
Text pasted from PDFs, emails and web pages often arrives full of gaps. A walkthrough of removing blank lines, including the ones that only look empty.
Tool GuideTextText CleanupPDF🔣How to Find Any Unicode Character, Its Code Point and Its Bytes
Look up a character by name, number or paste, then read its code point, block, category, UTF-8 bytes and escapes. Here is what each value means and when you need it.
Tool GuideReferenceUnicodeEncoding🏷️How to Find the Name of a Color From Its HEX Code
Why most colors have no exact name, how CIEDE2000 picks the closest one, and what the distance number tells you about how good the match really is.
Tool GuideColorCSSDesign🌳How to Find the Path to Any Value in a Big JSON Document
Explore JSON as a tree, search keys and values, and copy paths like users[0].profile.name or $.meta['next page'] for code, tests and JSONPath.
Tool GuideDeveloperJSONJSONPath&How to Find the Right HTML Entity for a Symbol (and When It Exists)
The HTML standard names about 1,500 characters, often several times over. Learn how to search the list, read aliases and case, and what to do when no name exists.
Tool GuideDeveloperHTMLWeb Development🔣How to Generate Secure Tokens, API Keys and Coupon Codes
A practical checklist for random strings - picking the right alphabet and length, avoiding confusing characters, and keeping codes unique and unguessable.
Tool GuideGeneratorsSecurityDevelopers