All free online tools
Every tool on ToolsEssential, grouped by category. All of them are free, work on phone and desktop, and run inside your browser.
Text Tools
Open category →Word Counter
Count words, characters, sentences and reading time.
Character Counter
Characters with/without spaces and platform limits.
Case Converter
UPPER, lower, Title, Sentence, camelCase and more.
Remove Duplicate Lines
Clean lists: dedupe, trim, sort and remove blanks.
Text Compare
Highlight differences between two texts.
Lorem Ipsum Generator
Placeholder text by paragraphs, sentences or words.
Remove Extra Spaces
Fix double spaces, blank lines and PDF text.
Find and Replace Text
Bulk replace words, phrases or patterns.
Reverse Text Generator
Backwards, upside-down and mirrored text.
Fancy Font Generator
Cool text styles for bios and posts.
Number to Words Converter
Spell out numbers and check amounts.
Roman Numeral Converter
Numbers ⇄ Roman numerals.
Morse Code Translator
Text ⇄ Morse code with audio.
Binary Translator
Text ⇄ binary, hex and decimal.
Everyday Calculators
Open category →Percentage Calculator
% of a number, % change, increase and decrease.
Age Calculator
Exact age in years, months and days.
BMI Calculator
Body Mass Index with healthy weight range.
Discount Calculator
Sale price and savings after % off.
GPA Calculator
Semester and cumulative GPA on a 4.0 scale.
Date Difference Calculator
Days, weeks, months and working days between dates.
Time Zone Converter
Convert times between cities worldwide.
Calorie Calculator
Daily calories to lose, gain or maintain.
BMR Calculator
Calories your body burns at rest.
Grade Calculator
Your class grade from weighted scores.
Final Grade Calculator
The score you need on your final.
Test Grade Calculator
Percent and letter from wrong answers.
Time Card Calculator
Weekly hours, overtime and pay.
Military Time Converter
24-hour ⇄ AM/PM time.
Tip Calculator
Tip and split the bill fast.
Roof Pitch Calculator
Pitch, angle, area and shingle bundles.
Square Footage Calculator
Area of rooms and floors in sq ft.
Concrete Calculator
Cubic yards and bags of concrete.
Paint Calculator
Gallons of paint for any room.
Tile Calculator
Tiles and boxes for floors and walls.
Fence Calculator
Posts, rails and pickets for a fence.
Mulch, Gravel & Soil Calculator
Cubic yards of mulch, gravel or soil.
Deck Calculator
Deck boards, joists and screws.
Gas & Fuel Cost Calculator
Fuel cost for any trip.
Electricity Cost Calculator
What an appliance costs to run.
Pregnancy Due Date Calculator
Your due date and weeks pregnant.
Ovulation Calculator
Your fertile window and ovulation day.
Body Fat Calculator
Body fat % with a tape measure.
Ideal Weight Calculator
Healthy weight for your height.
Water Intake Calculator
How much water to drink daily.
Sleep Calculator
Best bedtime and wake-up times.
Unit Converters
Open category →Temperature Converter
Celsius ⇄ Fahrenheit ⇄ Kelvin.
Length Converter
Feet, inches, meters, miles, km.
Weight Converter
Pounds, kg, ounces, grams, stones.
Volume Converter
Gallons, liters, cups, fl oz, mL.
Area Converter
Sq ft, m², acres, hectares.
Speed Converter
mph, km/h, m/s, knots.
Data Storage Converter
KB, MB, GB, TB (and MiB, GiB).
Everyday Utilities
Open category →Online Timer
Countdown timer with alarm.
Online Stopwatch
Stopwatch with laps and splits.
Online Notepad
Quick notes that save automatically.
Typing Speed Test
Measure your WPM and accuracy.
Spin the Wheel
Pick a random name or winner.
Random Number Generator
Random numbers in any range.
Dice Roller
Roll D6, D20 and more.
Coin Flip
Heads or tails, 50/50.
What Is My IP Address
See your public IP address.
User Agent Checker
Your browser, OS and device details.
Finance Calculators
Open category →Loan & EMI Calculator
Monthly payment, total interest and schedule.
Compound Interest Calculator
Savings growth with regular deposits.
Break-Even Calculator
Units and sales needed to cover costs.
Profit Margin & Markup Calculator
Margin, markup and price from cost.
Mortgage Calculator
Monthly home payment incl. tax & insurance.
Salary Calculator
Hourly ↔ monthly ↔ yearly pay.
VAT & GST Calculator
Add or remove VAT/GST from any price.
Simple Interest Calculator
I = P × R × T, solved any way round.
ROI Calculator
Return on investment and annualized ROI.
CPM, CPC & CTR Calculator
Ad metrics: CPM, CPC, CTR, CPA, ROAS.
Currency Converter
160+ currencies with daily rates.
Paycheck Calculator
Take-home pay after US taxes.
Car Loan Calculator
Monthly auto payment with tax and trade-in.
Credit Card Payoff Calculator
Your debt-free date and interest cost.
Debt Payoff Calculator
Plan your path to debt-free.
401(k) & Retirement Calculator
Project your 401(k) at retirement.
Savings Goal Calculator
Monthly savings to hit your goal.
Inflation Calculator
Future cost and purchasing power.
Rent vs Buy Calculator
Should you rent or buy a home?
Sales Tax Calculator
Add or remove US sales tax.
Overtime Calculator
Time-and-a-half and double-time pay.
CD Calculator
Interest and value of a CD.
APR Calculator
True APR including loan fees.
Image Tools
Open category →Image Compressor
Shrink JPG, PNG and WebP files in seconds.
Image Resizer
Resize to exact pixels or by percentage.
JPG to PNG Converter
Convert JPG/JPEG photos to lossless PNG.
PNG to JPG Converter
Convert PNG to smaller JPG files.
Reduce Image Size to 100 KB
Hit an exact KB limit for upload forms.
WebP to JPG Converter
Open WebP images anywhere as JPG.
JPG to WebP Converter
Smaller images for faster websites.
Image Cropper
Crop to 1:1, 16:9, 4:5 or any size.
Passport Photo Maker
Passport & visa photos with print sheet.
Favicon Generator
favicon.ico + app icons from image or text.
EXIF Remover
Strip GPS location and camera data.
Image to Text (OCR)
Extract English & Bangla text from images.
Background Remover
Cut out people, products and pets with AI.
HEIC to JPG Converter
Turn iPhone HEIC photos into JPG.
Color Palette Generator
Beautiful color schemes in one click.
Image Color Picker
Get HEX codes and palettes from images.
Add Watermark to Image
Protect photos with text or logo.
Photo Collage Maker
Combine photos into one image.
YouTube Thumbnail Downloader
Save YouTube thumbnails in HD.
Image to Base64 Converter
Images ⇄ Base64 data URIs.
PDF Tools
Open category →Merge PDF
Combine several PDFs into one document.
Split PDF
Extract pages or split a PDF into parts.
JPG to PDF
Turn photos and scans into one PDF.
Rotate PDF
Turn pages 90°/180° and save permanently.
Delete PDF Pages
Remove blank, duplicate or private pages.
Reorder PDF Pages
Drag pages into a new order.
Add Page Numbers to PDF
Number pages with custom position & format.
Watermark PDF
Stamp CONFIDENTIAL, DRAFT or your name.
PDF to JPG
Turn PDF pages into JPG or PNG images.
PDF to Text
Extract and copy text from any PDF.
Edit PDF Metadata
Change title, author and hidden properties.
Compress PDF
Make PDF files smaller for email and uploads.
PDF to Word Converter
Turn PDFs into editable Word documents.
Seller Tools
Open category →Amazon FBA Profit Calculator
Profit, margin & ROI after all Amazon fees.
Amazon ACoS Calculator
ACoS, ROAS, TACoS and break-even ACoS.
Amazon FBA vs FBM Calculator
Which fulfillment method earns more?
eBay Fee Calculator
Final value fees, ads and real profit.
Etsy Fee Calculator
Etsy fees, profit and pricing.
Walmart Seller Fee Calculator
Referral fees, WFS and profit.
Landed Cost Calculator
True import cost per unit incl. freight & duty.
CBM Calculator
Shipment volume and container fit.
Dimensional Weight Calculator
DIM weight for UPS, FedEx, USPS, DHL.
SEO Tools
Open category →Meta Tag Generator
SEO, Open Graph and Twitter tags in one go.
SERP Snippet Preview
See your page as it appears in Google.
URL Slug Generator
Clean, SEO-friendly URLs from titles.
Robots.txt Generator
Build a correct robots.txt in seconds.
XML Sitemap Generator
sitemap.xml from your list of URLs.
Schema Markup Generator
JSON-LD structured data for rich results.
UTM Link Builder
Campaign URLs for Google Analytics.
Open Graph Generator
Control how links look when shared.
Keyword Density Checker
Top words and phrases with density %.
DNS Lookup
Check A, MX, TXT, NS and other records.
Audio & Video
Open category →Online Voice Recorder
Record your voice and save as MP3.
Audio Cutter
Trim MP3 and other audio, add fades.
Audio Converter
M4A, WAV, OGG, FLAC → MP3 or WAV.
Video to MP3
Extract audio from MP4 and other videos.
Video to GIF
Turn video clips into animated GIFs.
Screen Recorder
Record screen, window or tab in your browser.
Text to Speech
Listen to any text read aloud.
Video Compressor
Shrink MP4 and iPhone videos.
Generators
Open category →QR Code Generator
QR codes for links, Wi-Fi, text and more.
Password Generator
Random, secure passwords and passphrases.
Invoice Generator
Professional PDF invoices in minutes.
Meme Generator
Add bold captions to any picture.
Signature Generator
Draw or type a handwritten signature.
Email Signature Generator
Professional signatures for Gmail & Outlook.
Business Name Generator
Brandable name ideas from a keyword.
Resume Builder
ATS-friendly resume to PDF in minutes.
Developer Tools
Open category →JSON Formatter & Validator
Beautify, validate and minify JSON.
Base64 Encode / Decode
Encode and decode Base64 text and files.
JWT Decoder
Read JWT header, payload and expiry.
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 checksums.
Unix Timestamp Converter
Epoch time ↔ human-readable date.
Regex Tester
Live regex matching with groups & replace.
UUID Generator
Random v4 and time-ordered v7 UUIDs.
Color Contrast Checker
Test text colors for accessibility.
YAML to JSON Converter
Convert YAML ⇄ JSON instantly.
CSV to JSON Converter
Convert CSV ⇄ JSON in your browser.
JS, CSS & HTML Minifier
Shrink JS, CSS and HTML files.
URL Encode & Decode
Percent-encode or decode URLs.
HTML Entity Encoder & Decoder
Escape and unescape HTML entities.
Markdown to HTML Converter
Markdown editor with live HTML.
Cron Expression Generator
Build and explain cron schedules.
CSS Gradient Generator
Design gradients and copy the CSS.
CSS Box Shadow Generator
Design box-shadow CSS visually.
Color Converter (HEX, RGB, HSL, CMYK)
HEX ⇄ RGB ⇄ HSL ⇄ CMYK.