Blog
By Siavash Ghanbari ยท Founder of Emojar
โญFavicon Not Showing or Looking Blurry? Causes and Fixes
Old icon stuck in the tab, a fuzzy or tiny logo, a black square on iPhone. The usual favicon problems, why they happen and what to change for each one.
Tool GuideImageFaviconWeb Design๐งฐFix, Sign and Shrink a PDF Without Uploading It
A step-by-step PDF workflow in your browser. Unlock, rotate, delete and crop pages, fill and sign, add numbers and a watermark, then compress before sending.
Tool GuidePDFPrivacyHow-toโจHow Fancy Text Generators Work (It's Not Actually a Font)
Why ๐๐จ๐ฅ๐ and ๐๐ธ๐๐พ๐ ๐ text survives copy and paste, why some letters turn into boxes, and how styled characters affect length, search and accessibility.
Tool GuideTextUnicodeHow it works๐คOCR Getting Your Text Wrong? Causes and Fixes That Work
Garbled characters, missing accents, empty results? The most common reasons OCR misreads images and screenshots, and what to change before you try again.
Tool GuideImageOCRImages๐PDF Password Protection Checklist Before You Hit Send
Encrypting a PDF only helps if the password is strong and shared safely. A practical checklist for protecting tax forms, payslips and contracts with AES-256.
Tool GuidePDFSecurityPasswords๐งฐPlan Your Week or a Small Project With No Sign-Up
Capture tasks, set priorities, pick between options, track work on a board and protect focus time, all with free browser tools that need no account.
Tool GuideProductivityPlanningTime Management๐งฐPolish Website Text and Colors With Free Browser Tools
Compare drafts, clean up lists, check readability, proofread by ear, then choose colors, test contrast and color blindness, and make a soft gradient.
Tool GuideWritingDesignAccessibility๐งฐQuick Photo Fixes in Your Browser Before You Post
Straighten, crop, hide faces, strip GPS data, add a caption, cut a plain background, make a GIF or an Instagram grid, all in the browser with no upload.
Tool GuideImagesPrivacySocial Media๐งฎWhy Calculators Disagree: Order of Operations Explained
Is 2^3^2 equal to 64 or 512? Why is -2^2 negative? Learn the precedence rules a scientific calculator follows and how to type expressions it reads correctly.
Tool GuideCalculatorsMathExplainer๐ก๏ธCelsius to Fahrenheit Myths That Lead to Wrong Answers
The 'double it and add 30' shortcut, converting temperature changes and degrees Kelvin: common temperature myths, corrected with exact formulas and examples.
Tool GuideUnitsConversionScience๐ณHow to Make a Wi-Fi QR Code Guests Can Scan to Connect
Let visitors join your Wi-Fi by pointing a phone camera at a sign. How the Wi-Fi QR format works, how to print it so it scans, and what to keep in mind.
Tool GuideGeneratorsQR CodesWi-Fi๐๏ธHow to Read a Mic Level Meter and Fix Quiet Audio
What dBFS, RMS and peak mean on a microphone meter, where normal speech should land, and practical fixes when people say you sound too quiet or distorted.
Tool GuideDevice TestsDevicesAudioโฒ๏ธOnline Timer Alarm Didn't Go Off? Causes and Fixes
Silent alarms, missing notifications and late alerts in background tabs usually have simple causes. Here's how to check each one before you rely on a timer.
Tool GuideDate & TimeTimeTroubleshooting๐งฉPhoto Collage Problems: Cropped Heads, Repeats and Soft Exports
Why collage cells cut off heads, why one photo shows up twice, and how to get a sharp export for a feed or for print. Fixes for common collage snags.
Tool GuideImageImagesCollage๐๏ธWhy Is My GIF So Big? Video to GIF Problems and Fixes
Huge files, choppy motion, banded colors, clips cut short. What causes the most common video-to-GIF problems and which setting to change for each.
Tool GuideAudio & VideoGIFVideoโ 9 Common JSON Syntax Errors and How to Fix Each One
Trailing commas, single quotes, comments, NaN, leading zeros. See the error message each mistake produces and the one-line fix for it.
Tool GuideDeveloperJSONTroubleshooting๐ camelCase vs snake_case vs kebab-case: When to Use Each
A quick decision guide to the 12 text cases, from camelCase and PascalCase to CONSTANT_CASE and kebab-case, with real examples of where each one belongs.
Tool GuideTextDevelopersNaming๐How Exact Age Is Calculated in Years, Months and Days
Why is age counted in calendar months, and what happens to someone born on January 31 or February 29? A clear look at the method behind exact age.
Tool GuideCalculatorsDatesExplainer๐Resizing Photos for Upload Limits, Forms and Marketplaces
A form says "max 1200 px" or "under 2 MB" and your phone photo is far bigger. Here's how to resize it correctly, with real numbers and no stretching.
Tool GuideImageImagesResizeโ๏ธSign a Lease or Form PDF Without Printing It
A real walkthrough of signing a PDF on your computer or phone, including initials on every page, adding the date, and when a drawn signature isn't enough.
Tool GuidePDFSignaturesHow-to