All 183 free online tools
Every tool on ToolsWorld in one list. Type to filter.
.htaccess Redirect Generator
301 and 302 redirect rules for Apache and Nginx
Add Page Numbers to PDF
Number PDF pages with your choice of position, format and range
Add Watermark to Photos
Protect photos with a text or logo watermark, in bulk
Age Calculator
Exact age in years, months and days, plus your next birthday
Area Converter
Square feet and meters, acres, hectares, marla and kanal
ATS Resume Builder
Free ATS-friendly resume builder with a live ATS check
Barcode Generator
EAN, UPC, Code 128 and more with automatic check digits
Base64 Encoder and Decoder
Convert text and files to and from Base64
Base64 to Image
Turn Base64 text or a data URI back into an image file
BMI Calculator
Body mass index, WHO category and healthy weight range
Body Fat Calculator
Estimate body fat % from a few tape measurements
Border Radius Generator
Rounded corners, pills, circles and blob shapes
Box Shadow Generator
Layered CSS box-shadow with a live preview
Break-Even Calculator
Units and revenue you need to cover your costs
Calorie Calculator
BMR, maintenance calories and weight loss or gain targets
Case Converter
Switch text between 12 cases, from Title Case to snake_case
CGPA to Percentage Calculator
Convert CGPA and percentage both ways with clear formulas
Character Counter
Count characters and check limits for posts, titles and SMS
Chmod Calculator
Convert 755 to rwxr-xr-x and build chmod commands
Coin Flip
Heads or tails with a fair, animated 3D coin
Color Converter
HEX, RGB, HSL, HSV, HWB, CMYK and CSS color names
Color Palette Generator
Harmonious five-color palettes from one color or at random
Color Picker
Pick a color visually and copy HEX, RGB or HSL
Compound Interest Calculator
Grow savings with compounding and regular deposits
Compress PDF
Shrink PDFs for email and upload limits, with an honest comparison
Contrast Checker
WCAG AA and AAA color contrast with fix suggestions
Cooking Converter
Cups, spoons, grams and ounces for real ingredients
Countdown Timer
Timer with alarm, presets and countdown to a date
Cover Letter Generator
Tailored cover letters from four proven templates
Credit Card Payoff Calculator
How long to pay off a card, and what it will cost
Cron Expression Generator
Build, explain and test crontab schedules
CSS Gradient Generator
Linear, radial and conic gradients with a live preview
CSS Minifier
Shrink stylesheets safely or expand minified CSS for reading
CSV to JSON Converter
Parse CSV or TSV into clean JSON with automatic delimiter detection
Currency Converter
Daily exchange rates for world currencies
Data Storage Converter
Bits to petabytes, decimal and binary units side by side
Date Calculator
Add or subtract days, weeks, months, years or business days
Days Between Dates
Days, weeks, months and business days between two dates
Delete PDF Pages
Remove blank, duplicate or private pages from any PDF
Dice Roller
Roll up to 10 dice with modifiers for board games and RPGs
Discount Calculator
Sale price, savings and stacked discounts in one place
Email Extractor
Find and deduplicate email addresses in any text
Email Signature Generator
Professional HTML signatures for Gmail, Outlook and Apple Mail
EMI Calculator
Monthly EMI, total interest and a full repayment schedule
Emoji Copy and Paste
Find any emoji by name and copy it in one click
Energy Converter
Joules, calories, kWh, BTU, therms and electronvolts
Extract PDF Pages
Pull the pages you need out of a PDF into a new file
Fancy Text Generator
Cool Unicode letters for bios, posts and usernames
Favicon Generator
Make favicon.ico and every icon size from an image or emoji
Final Grade Calculator
The score you need on the final to reach your goal
Find and Replace
Search and replace in any text, with regex and live preview
Fraction Calculator
Fractions and mixed numbers, simplified with full working
Fuel Cost Calculator
Trip fuel cost in any units, with round trips and cost sharing
Glassmorphism Generator
Frosted-glass CSS with backdrop-filter and a fallback
GPA Calculator
Semester and cumulative GPA on the 4.0 scale
Hash Generator
MD5, SHA-1, SHA-256 and SHA-512 for text, files and HMAC
Hours Calculator
Hours between times, hh:mm sums and decimal hours
HTML Entity Encoder and Decoder
Escape HTML characters or decode entities back to plain text
HTML Formatter
Re-indent or shrink HTML without breaking pre blocks and scripts
HTML to Markdown Converter
Turn HTML or copied web content into clean, readable Markdown
HTTP Status Codes
Searchable reference of every HTTP status code
Image Color Picker
Click any pixel to get its HEX, RGB and HSL code
Image Compressor
Shrink JPG, PNG and WebP files without visible quality loss
Image Converter
Batch convert any image to JPG, PNG or WebP
Image Cropper
Crop photos freely or to 1:1, 4:3, 16:9 and more
Image Filters
Brightness, contrast, saturation, sepia, blur and presets
Image Resizer
Change image dimensions by pixels, percent or preset sizes
Image to Base64
Encode images as Base64 data URIs for HTML, CSS and JSON
Image to Text (OCR)
Pull editable text out of screenshots, scans and photos
Inflation Calculator
Future prices and lost purchasing power at any rate
Instagram Caption Formatter
Keep paragraph spacing in captions and check the limits
Invoice Generator
Professional invoices with tax, discounts and PDF download
JavaScript Minifier
Compress and mangle JS with Terser, or beautify minified code
JPG to PDF
Turn photos, scans and screenshots into a single PDF
JPG to PNG Converter
Turn JPG and JPEG photos into lossless PNG files
JSON Formatter
Beautify, validate and minify JSON with exact error locations
JSON to CSV Converter
Turn JSON arrays into spreadsheet-ready CSV with flattened columns
JWT Decoder
Inspect JWT header, payload, claims and expiry safely
Keyboard Tester
Find dead, stuck or misbehaving keys in seconds
Keyword Density Checker
Find your most repeated words and phrases
Length Converter
Meters, feet, inches, miles and 15 more length units
LinkedIn Headline Generator
Headline ideas from proven formulas, within the 220-character limit
Lorem Ipsum Generator
Dummy text by paragraph, sentence or word, ready to paste
Markdown to HTML Converter
Write Markdown, see it rendered and copy clean HTML
Meme Generator
Add classic top and bottom meme text to any picture
Merge Images
Join photos side by side, stacked or in a grid
Merge PDF
Combine several PDF files into one, in the order you choose
Meta Tag Generator
Title, description, robots and Open Graph tags in seconds
Mic Test
Live level meter, waveform and record-and-playback
Morse Code Translator
Convert, play and learn Morse code in your browser
Mortgage Calculator
Full monthly house payment with tax, insurance, PMI and HOA
Notice Period Calculator
Find your last working day from your notice period
Number Base Converter
Binary, octal, decimal, hex and any base from 2 to 36
Number to Words Converter
Spell out numbers and cheque amounts in English
Online Notepad
Quick notes that save automatically in your browser
Open Graph Generator
Social share tags with approximate link-preview mockups
Organize PDF
Drag pages into a new order, rotate or remove them, and save
Password Generator
Strong random passwords and memorable passphrases
Password Strength Checker
See how long your password would take to crack
PDF Metadata Editor
Change or wipe a PDF’s title, author, keywords and dates
PDF to JPG
Turn PDF pages into sharp JPG or PNG images
PDF to Text
Pull clean, copyable text out of any text-based PDF
Percentage Calculator
Percent of a number, percentage change, increase and decrease
PNG to JPG Converter
Shrink PNG images by converting them to JPG
Pomodoro Timer
Focus in timed sessions with automatic breaks
Pregnancy Due Date Calculator
Due date, current week and trimester, and milestone dates
Pressure Converter
psi, bar, kPa, atm, mmHg, inHg and more
Profit Margin Calculator
Gross profit, margin and markup, or the price to hit a target
QR Code Generator
QR codes for links, Wi-Fi, contacts and more, with your logo
Random Number Generator
Fair random numbers in any range, with no repeats if you want
Readability Checker
Score your writing and find the sentences to simplify
Regex Tester
Test JavaScript regex with live highlighting, groups and replace
Remove Duplicate Lines
Delete repeated lines and keep each entry once, in order
Remove Extra Spaces
Fix double spaces, stray tabs and invisible characters
Remove Image Metadata
View and strip EXIF, GPS location and hidden photo data
Remove Line Breaks
Turn broken lines from PDFs and emails into clean paragraphs
Resignation Letter Generator
Professional resignation letters and emails in a minute
Resume Action Verbs
274 strong verbs for resume bullets, sorted by skill
Resume Keyword Checker
Compare your resume with a job post and find missing keywords
Retirement Calculator
Projected savings, the nest egg you need and the monthly gap
Robots.txt Generator
Build crawler rules, block AI bots and test any path
ROI Calculator
Total and annualized return on any investment
Roman Numeral Converter
Numbers to Roman numerals and back, plus dates
Rotate Image
Rotate by 90° steps or any angle, and flip images
Rotate PDF
Fix sideways and upside-down pages and save them for good
Salary Calculator
Convert hourly, weekly, monthly and annual pay instantly
Sales Tax Calculator
Add or remove sales tax, VAT or GST from any price
Savings Goal Calculator
How much to save each month, or how long it takes
Schema Markup Generator
JSON-LD for FAQ, articles, products, events and more
Scientific Calculator
Trig, logs, powers, roots, memory and history in your browser
Screen Resolution Checker
Your screen resolution, viewport and pixel ratio
SERP Snippet Preview
See where Google could cut your title and description
Sign PDF
Add your handwritten signature to any PDF, privately
Signature Generator
Draw or type a signature and download a transparent PNG
Simple Interest Calculator
Interest, rate, time or principal with I = P × R × T
SIP Calculator
Estimate SIP and lump-sum returns with a yearly step-up
Slug Generator
Clean, readable URL slugs from any title
Social Media Image Resizer
One photo, every platform size, cropped the way you want
Sort Lines
Alphabetize, number-sort, reverse or shuffle any list
Speech to Text
Turn your voice into text with live dictation
Speed Converter
km/h, mph, m/s, knots, Mach and more
Spin the Wheel
A fair, customizable wheel for picking names and prizes
Split PDF
Break a PDF into single pages, custom ranges or equal parts
SQL Formatter
Beautify or minify SQL for MySQL, PostgreSQL, T-SQL and more
Statistics Calculator
Mean, median, mode, standard deviation, quartiles and outliers
Stopwatch
Precise timing with laps, splits and keyboard shortcuts
SVG to PNG Converter
Turn SVG files or code into sharp PNG images at any size
Temperature Converter
Celsius, Fahrenheit, Kelvin and Rankine, with formulas
Text Compare
Spot every change between two versions of a text
Text Repeater
Repeat words, lines or emoji as many times as you need
Text Reverser
Write text backwards, flip word order or reverse lines
Text to Binary Converter
Turn text into 0s and 1s, and binary back into text
Text to Handwriting Converter
Turn typed text into handwritten notebook pages
Text to PDF
Paste text, pick a font and page size, download a tidy PDF
Text to Speech
Hear any text read aloud with your device’s voices
Time Converter
Seconds, minutes, hours, days, weeks, months and years
Time Zone Converter
Convert times across cities and find meeting slots
Timesheet Calculator
Weekly hours, overtime and pay from your start and end times
Tip Calculator
Work out the tip and split the bill in seconds
Typing Speed Test
Measure your words per minute and accuracy
Unix Timestamp Converter
Convert epoch time to dates and dates to timestamps
URL Encoder and Decoder
Percent-encode and decode URLs, query strings and form data
User Agent Parser
Identify browser, OS, device and bots from any user agent
Username Generator
Cool, gaming, cute and professional handle ideas
UTM Builder
Tag campaign links so analytics knows where visits came from
UUID Generator
Generate v4 and v7 UUIDs in bulk and inspect any UUID
Volume Converter
Liters, US and UK gallons, cups, fluid ounces and cubic units
Watermark PDF
Stamp CONFIDENTIAL, DRAFT or your logo across PDF pages
Webcam Test
Check your camera, resolution and frame rate
WebP to JPG Converter
Open WebP images anywhere by saving them as JPG or PNG
Weight Converter
Kilograms, pounds, ounces, stones and precious-metal units
What Is My IP
Your public IPv4 and IPv6 address, ISP and location
WhatsApp Link Generator
Click-to-chat links and QR codes with a ready message
Word Counter
Count words, characters, sentences and reading time
World Clock
Current time in any city, compared with yours
X (Twitter) Character Counter
Weighted 280-character count and an automatic thread splitter
XML Formatter
Pretty-print or minify XML and catch well-formedness errors
XML Sitemap Generator
Paste your URLs and download a valid sitemap.xml
YAML to JSON Converter
Two-way YAML and JSON conversion with precise error messages
YouTube Embed Code Generator
Responsive iframe code with privacy mode and player options
YouTube Thumbnail Downloader
Save any video’s thumbnail in HD and smaller sizes
YouTube Timestamp Link Generator
Start links at the right second and build valid chapters
Zakat Calculator
Zakat due at 2.5% with the gold or silver nisab
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