Every everyday dev & file tool, in one place
Format JSON, convert images, merge PDFs, clean up text, make QR codes and run everyday calculations. Fast, free, and private: most tools run entirely in your browser.
Popular tools
JSON Formatter
Format and beautify JSON online. Pretty-print with 2 or 4 space indentation, validate syntax and copy or download the result. Free and private.
JSON Validator
Validate JSON online and find syntax errors instantly, with line and column numbers. Free JSON lint tool that formats valid JSON too.
JSON to CSV
Convert JSON arrays to CSV. Nested objects are flattened to dot-notation columns. Choose the delimiter and download a .csv file.
HEIC to JPG
Convert iPhone HEIC/HEIF photos to JPG online for free. Batch conversion in your browser, with no upload needed.
Image Compressor
Compress JPG, PNG and WebP images online without visible quality loss. Set a target size or quality. Batch and private.
Merge PDF
Merge multiple PDF files into one. Drag to reorder, free with no watermark, and processed in your browser.
PDF to Word
Convert PDF to an editable Word document (DOCX) online for free. No watermark and no sign-up.
Word Counter
Count words, characters, sentences, paragraphs and reading time instantly. Free online word and character counter.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more.
Password Generator
Generate strong, random passwords with a chosen length, symbols and numbers. Uses cryptographically secure randomness. Nothing is stored.
URL QR Code
Create a QR code for any website link. Customize colors, dot style and logo, then download PNG or SVG. Free and never expires.
JWT Decoder
Decode JWT tokens online and view the header, payload and claims. See issued-at and expiry times in readable form. Nothing is uploaded.
Percentage CalculatorNEW
Calculate percentages instantly: X% of Y, what percent X is of Y, percentage change between two values, and increasing or decreasing by a percentage.
Unit ConverterNEW
Convert length, weight, temperature, volume, area, speed, data storage, time, pressure and energy units instantly. See the value in every unit at once.
Loan CalculatorNEW
Calculate your monthly loan payment (EMI), total interest and payoff date. Includes an amortization schedule and the savings from extra payments.
BMI CalculatorNEW
Calculate your body mass index (BMI) in metric or imperial units, see your WHO weight category and the healthy weight range for your height.
Image ResizerNEW
Resize images by width, height or percentage, or to exact dimensions. Batch resize JPG, PNG and WebP in your browser with high-quality scaling.
Spin the WheelNEW
Spin a wheel to pick a random name, winner or choice. Add your own entries, shuffle, and remove winners. Fair, free and works on any device.
Typing Speed TestNEW
Test your typing speed in words per minute (WPM) and accuracy with 15-second to 2-minute tests. Live error highlighting and instant results.
QR Code ScannerNEW
Scan QR codes with your camera or from an image or screenshot. Reads links, Wi-Fi, contacts and text privately in your browser. No app needed.
JSON Tools
58 tools
JSON Formatter
Format and beautify JSON online. Pretty-print with 2 or 4 space indentation, validate syntax and copy or download the result. Free and private.
JSON Viewer
View JSON as a collapsible tree. Explore nested objects and arrays, search keys, and copy paths. Free online JSON viewer that runs in your browser.
JSON Validator
Validate JSON online and find syntax errors instantly, with line and column numbers. Free JSON lint tool that formats valid JSON too.
JSON Editor
Edit JSON online with syntax highlighting, code folding, auto-format and live validation. Import a file and download your edited JSON.
JSON Minifier
Minify JSON by removing whitespace and line breaks. Reduce payload size instantly and see how many bytes you saved.
JSON Cleaner
Clean JSON online: remove null values, empty strings, empty arrays and objects, then format the result. Free JSON cleanup tool.
JSON Sorter
Sort JSON object keys alphabetically (A-Z or Z-A), recursively through nested objects. Makes JSON diffs and reviews easier.
JSON Compare
Compare two JSON documents and see added, removed and changed values with their paths. Key order is ignored. Free online JSON diff.
Image Tools
35 tools
JPG to PNG
Convert JPG images to PNG online for free. Batch convert multiple files in your browser, with no upload and no watermark.
PNG to JPG
Convert PNG to JPG online and choose the quality level. Transparent areas are filled with white. Batch support, no upload.
JPG to WebP
Convert JPG and PNG to WebP for smaller, faster-loading web images. Adjustable quality and batch conversion.
WebP to JPG
Convert WebP images to JPG for maximum compatibility. Choose the quality, convert in batches, and keep files on your device.
HEIC to JPG
Convert iPhone HEIC/HEIF photos to JPG online for free. Batch conversion in your browser, with no upload needed.
JPG to HEIC
Convert JPG images to HEIC for smaller files at the same quality. Free online converter.
PNG to SVG
Convert PNG and JPG to scalable SVG vectors by tracing. Choose color count and detail. Works best for logos and icons.
SVG to PNG
Convert SVG to PNG at any size or scale with a transparent background. Free, fast and in-browser.
PDF Tools
23 tools
Rotate PDFNEW
Rotate all or selected PDF pages by 90°, 180° or 270° and save the result permanently. Works in your browser; your PDF is never uploaded.
Add Page Numbers to PDFNEW
Number the pages of a PDF: choose the position, format (1, Page 1, 1 of 10), starting number and font size, and skip the cover page.
Watermark PDFNEW
Add a text watermark such as CONFIDENTIAL or DRAFT to every page of a PDF. Choose size, opacity, color and a diagonal, centered or tiled layout.
PDF to TextNEW
Extract all text from a PDF into a plain .txt file, page by page. Fast, free and private: the PDF is processed in your browser.
Compress PDFNEW
Reduce PDF file size for email and uploads. Choose lossless optimization or strong compression for scanned and image-heavy PDFs. Free and private.
Organize PDFNEW
Rearrange PDF pages by drag and drop, rotate individual pages, delete pages and reverse the order, with page thumbnails. Free, in your browser.
Sign PDFNEW
Sign PDF documents online: draw, type or upload your signature, place it anywhere, and add your name and date. Free, no account, files stay private.
Add Text to PDFNEW
Type text anywhere on a PDF: fill in forms, add notes, names, dates and check marks. Choose font, size and color. Free and private.
Text Tools
54 tools
Word Counter
Count words, characters, sentences, paragraphs and reading time instantly. Free online word and character counter.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more.
Password Generator
Generate strong, random passwords with a chosen length, symbols and numbers. Uses cryptographically secure randomness. Nothing is stored.
Random Word Generator
Generate random English words for games, brainstorming, passwords and creative writing. Choose the count and length.
Upside Down Text
Flip text upside down (ʇxǝʇ uʍop ǝpısdn) for social media, bios and messages. Copy and paste anywhere.
Reverse Text
Reverse a string, the word order, or each word's letters. Unicode- and emoji-safe. Free online text reverser.
String to Hex
Convert text to hexadecimal (UTF-8 bytes). Choose the separator and case. Free online text to hex converter.
Hex to String
Decode hexadecimal values to readable text (UTF-8). Accepts spaces, 0x prefixes and other separators.
QR Code Generators
8 tools
QR Code ScannerNEW
Scan QR codes with your camera or from an image or screenshot. Reads links, Wi-Fi, contacts and text privately in your browser. No app needed.
URL QR Code
Create a QR code for any website link. Customize colors, dot style and logo, then download PNG or SVG. Free and never expires.
vCard QR Code
Create a vCard QR code with your name, phone, email, company and website. Scanning saves you as a contact. Free.
Email QR Code
Create a QR code that opens a pre-filled email with the recipient, subject and body. Free, customizable and downloadable.
Phone QR Code
Create a QR code that dials a phone number when scanned. Free, customizable, PNG and SVG download.
WhatsApp QR Code
Create a QR code that opens a WhatsApp chat with your number and an optional pre-filled message. Free.
WiFi QR CodeNEW
Create a QR code that connects phones to your WiFi network without typing the password. Supports WPA/WPA2/WPA3 and WEP.
Text QR CodeNEW
Encode any plain text in a QR code. Customize and download as PNG or SVG. Free and works offline once loaded.
Calculators
40 tools
Scientific CalculatorNEW
Free online scientific calculator with trig (degrees and radians), logs, powers, roots, factorials, π and e. Type or tap, with history and keyboard support.
Percentage CalculatorNEW
Calculate percentages instantly: X% of Y, what percent X is of Y, percentage change between two values, and increasing or decreasing by a percentage.
Fraction CalculatorNEW
Add, subtract, multiply and divide fractions and mixed numbers. Results are simplified automatically and shown as a fraction, mixed number, decimal and percent.
Ratio CalculatorNEW
Simplify ratios like 1920:1080 to 16:9, and solve proportions (A:B = C:x) to find a missing value. Works with decimals and three-part ratios.
Average CalculatorNEW
Find the mean, median, mode, range, minimum, maximum and geometric mean of a list of numbers. Paste numbers separated by commas, spaces or lines.
Standard Deviation CalculatorNEW
Calculate sample or population standard deviation and variance for a data set, plus the mean, sum of squares and coefficient of variation.
Rounding CalculatorNEW
Round numbers to decimal places, the nearest 10, 100 or 0.05, or significant figures. Choose standard, banker's, up, down or truncate rounding.
Unit ConverterNEW
Convert length, weight, temperature, volume, area, speed, data storage, time, pressure and energy units instantly. See the value in every unit at once.
SEO Tools
5 tools
Meta Tag CheckerNEW
Check any page's title, meta description, canonical, robots, Open Graph, Twitter cards, headings and structured data. See Google and social previews with fixes.
Meta Tag GeneratorNEW
Generate HTML meta tags for SEO and social sharing: title, description, canonical, robots, Open Graph and X (Twitter) cards, with live Google and share previews.
Robots.txt GeneratorNEW
Create a robots.txt file in seconds: disallow paths, add your sitemap, and allow or block Googlebot, Bingbot and AI crawlers like GPTBot and ClaudeBot.
Robots.txt TesterNEW
Test whether Googlebot, Bingbot or AI crawlers can crawl your URLs. Fetch any site's robots.txt or paste your own and see the exact matching rule.
XML Sitemap GeneratorNEW
Generate an XML sitemap by crawling your website (up to 500 pages) or from a list of URLs. Respects robots.txt and noindex. Download sitemap.xml instantly.
Everyday Utilities
10 tools
Spin the WheelNEW
Spin a wheel to pick a random name, winner or choice. Add your own entries, shuffle, and remove winners. Fair, free and works on any device.
Random Number GeneratorNEW
Generate random numbers in any range, one or many at once, with or without duplicates. Uses a cryptographically secure generator. Free and instant.
Coin FlipNEW
Flip a virtual coin to get heads or tails with a 50/50 chance. Animated coin toss with a running tally and history of results.
Dice RollerNEW
Roll one to ten virtual dice with 4, 6, 8, 10, 12, 20 or 100 sides. See each die and the total. Perfect for board games and tabletop RPGs.
StopwatchNEW
A free online stopwatch with lap times, best and worst laps, and keyboard shortcuts. Accurate to the hundredth of a second, even in background tabs.
Online TimerNEW
Set a countdown timer for any number of hours, minutes and seconds, with one-click presets and an alarm sound. Free kitchen, study and workout timer.
Typing Speed TestNEW
Test your typing speed in words per minute (WPM) and accuracy with 15-second to 2-minute tests. Live error highlighting and instant results.
Online NotepadNEW
A simple online notepad that saves your notes automatically in your browser. Multiple notes, word count, open and download .txt files. No sign-up.
Finance Calculators
15 tools
Currency ConverterNEW
Convert between 160+ currencies at daily mid-market exchange rates: USD, EUR, GBP, INR, PKR, AED, SAR and more, with quick conversion tables.
GST CalculatorNEW
Add GST to a price or remove it from a GST-inclusive amount at 3%, 5%, 18%, 40% or any rate, with the CGST + SGST or IGST split.
VAT CalculatorNEW
Add VAT to a net price or remove VAT from a gross price. Standard rates for the UK (20%), EU countries, UAE, Saudi Arabia and more, or any custom rate.
Salary to Hourly CalculatorNEW
Convert an annual salary to an hourly wage, or hourly pay to a yearly salary, plus daily, weekly, bi-weekly, semi-monthly and monthly equivalents.
Retirement CalculatorNEW
Find out how much you need to retire, whether your savings are on track, how long they will last and how much more to save each month, adjusted for inflation.
Inflation CalculatorNEW
See how inflation raises prices and erodes the value of money over time: the future cost of today's spending and the real value of future money.
ROI CalculatorNEW
Calculate return on investment (ROI) as a percentage and amount, plus annualized ROI so you can compare investments held for different lengths of time.
CAGR CalculatorNEW
Calculate the compound annual growth rate (CAGR) between a beginning and ending value over any number of years, with total growth and a yearly table.
Developer Tools
18 tools
HTML FormatterNEW
Format and beautify messy or minified HTML with proper indentation, including embedded CSS and JavaScript. Powered by Prettier.
CSS FormatterNEW
Beautify minified or messy CSS, SCSS and Less with one rule per line and consistent indentation. Powered by Prettier.
JavaScript FormatterNEW
Format and beautify JavaScript, JSX and TypeScript code with Prettier. Choose indentation, line width, quotes and semicolons.
SQL FormatterNEW
Format SQL queries for MySQL, PostgreSQL, SQL Server, Oracle, SQLite, BigQuery and more, with uppercase keywords and clean indentation.
XML FormatterNEW
Format, validate and minify XML online. Pretty print with your choice of indentation, check for errors and remove comments.
YAML ValidatorNEW
Validate YAML and find syntax errors with line and column numbers, then reformat it with consistent indentation. Great for Docker Compose, Kubernetes and CI files.
YAML to JSONNEW
Convert YAML to JSON instantly, including multi-document YAML files. Choose pretty-printed or minified JSON output.
CSV to JSONNEW
Convert CSV or TSV data to a JSON array of objects, with automatic delimiter detection, header rows and number and boolean conversion.
Device Tests
12 tools
Mic TestNEW
Test your microphone online: live input level and waveform, record and play back 5 seconds, pick a device and see if your mic is working. Nothing is uploaded.
Webcam TestNEW
Test your webcam online: live preview, actual resolution and frame rate, camera picker, mirror view and snapshot. Private: video never leaves your device.
Speaker TestNEW
Test your speakers and headphones: play sound on the left, right or both channels, run a stereo sweep, and generate tones from 20 Hz to 20 kHz.
Keyboard TesterNEW
Test your keyboard online: every key lights up when pressed, with key codes, a count of tested keys and how many keys work at once (rollover and ghosting).
Mouse TesterNEW
Test your mouse buttons, side buttons and scroll wheel, and detect a faulty switch that double-clicks when you click once.
CPS TestNEW
How fast can you click? Measure your clicks per second (CPS) over 1, 5, 10, 30 or 60 seconds and beat your personal best.
Spacebar CounterNEW
Count how many times you can press the spacebar in 1, 5, 10, 30 or 60 seconds, with presses per second and your best score.
Reaction Time TestNEW
Test your reaction time in milliseconds: wait for green, click as fast as you can, and get your average over 5 rounds and your best time.
Date & Time Tools
7 tools
Time Zone ConverterNEW
Convert a time between any cities and time zones (EST, PST, GMT, IST, PKT, GST and more), with daylight saving time handled automatically.
World ClockNEW
See the current local time in cities around the world at a glance, with day and night indicators and the time difference from you.
Meeting PlannerNEW
Plan meetings across time zones: compare 24 hours side by side for several cities and find the times that fall within everyone's working hours.
Day of the Week CalculatorNEW
Find the day of the week for any date in the past or future, plus the day of the year, ISO week number, quarter and the Hijri date.
Week NumberNEW
Find the current week number and the week number of any date (ISO 8601 or US system), with the start and end dates of every week of the year.
Holiday CountdownNEW
How many days until Christmas, New Year, Eid, Ramadan, Easter, Valentine's Day and national holidays? Live countdowns, plus your own events.
Leap Year CheckerNEW
Check whether any year is a leap year, see the rule explained step by step, and find the next and previous leap years.
Islamic Tools
7 tools
Prayer TimesNEW
Accurate daily prayer times for any city: Fajr, Sunrise, Dhuhr, Asr, Maghrib and Isha, with the next prayer countdown and a monthly timetable.
Qibla DirectionNEW
Find the Qibla direction from anywhere: the exact bearing to the Kaaba in Makkah, the distance, and a live compass on your phone.
Ramadan TimetableNEW
Sehri and Iftar times for every day of Ramadan in your city, with expected start and Eid dates, fast lengths and a printable timetable.
Zakat CalculatorNEW
Calculate Zakat on cash, gold, silver, investments and business stock, with nisab based on gold or silver, in grams or tola and any currency.
Hijri Date ConverterNEW
Convert dates between the Hijri (Islamic) and Gregorian calendars in both directions, with today's Hijri date in English and Arabic.
Islamic CalendarNEW
Monthly calendar showing Hijri and Gregorian dates side by side, with Ramadan, Eid, Ashura, Mawlid and other Islamic dates highlighted.
Tasbih CounterNEW
Digital tasbih (tasbeeh) counter for dhikr: tap or press space to count, targets of 33, 99 or 100, rounds, vibration and a saved total.
Health & Fitness Calculators
13 tools
BMR CalculatorNEW
Calculate your basal metabolic rate with the Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas, plus daily calories for every activity level.
Macro CalculatorNEW
Calculate your daily macros (protein, carbs and fat in grams) for fat loss, maintenance or muscle gain, with balanced, high-protein, low-carb and keto splits.
Protein Intake CalculatorNEW
Find how much protein you need per day based on your weight and goal: general health, endurance, building muscle, fat loss or healthy ageing.
Calories Burned CalculatorNEW
Estimate calories burned walking, running, cycling, swimming, weight training, yoga, sports and more, based on your weight and exercise time.
One Rep Max CalculatorNEW
Estimate your one-rep max from any set of reps, with a percentage chart for planning your training weights.
Pace CalculatorNEW
Calculate running pace, finish time or distance in kilometres or miles, with splits and race-time predictions for 5K, 10K, half marathon and marathon.
Heart Rate Zone CalculatorNEW
Calculate your maximum heart rate and five training zones from your age, with the Karvonen method if you know your resting heart rate.
Sleep CalculatorNEW
Find the best time to go to sleep or wake up based on 90-minute sleep cycles, so you wake up feeling refreshed instead of groggy.
Social Media Tools
9 tools
Social Media Character CounterNEW
Count characters for X (Twitter), Instagram, TikTok, YouTube, LinkedIn, Facebook, Threads and Pinterest at once, with each platform's limit.
YouTube Thumbnail DownloaderNEW
Download the thumbnail of any YouTube video or Short in HD (1280×720) and other sizes. Paste the video link and save the image.
YouTube Earnings CalculatorNEW
Estimate how much a YouTube channel earns from ads per day, month and year from its views and an RPM range.
Engagement Rate CalculatorNEW
Calculate the engagement rate of an Instagram, TikTok or other social media account from followers, likes, comments, shares and saves.
Emoji PickerNEW
Search and copy any emoji with one click: smileys, hearts, hands, animals, food, flags and more. Build a string of emoji and copy them all.
UTM BuilderNEW
Build campaign URLs with UTM parameters (source, medium, campaign, term, content) to track marketing links in Google Analytics and other tools.
WhatsApp Link GeneratorNEW
Create a WhatsApp click-to-chat link (wa.me) for your number, with an optional pre-filled message, for your bio, website or ads.
Invisible CharacterNEW
Copy invisible characters and blank text for names, bios and messages, and find hidden zero-width characters in any text.
Everyday Converters
9 tools
Land Area ConverterNEW
Convert marla, kanal, murabba, acre, bigha, katha, guntha, cent and square feet, with 225 or 272.25 sq ft marla and regional bigha sizes.
Gold Price CalculatorNEW
Calculate the price of gold by tola, gram or ounce for 24K, 22K, 21K and 18K, with making charges and tax, from today's local gold rate.
Tola to Gram ConverterNEW
Convert tola to grams and back, plus masha, ratti, troy ounces and kilograms. 1 tola = 11.6638 grams.
Cooking ConverterNEW
Convert cups, tablespoons and teaspoons to grams and ml for 20 ingredients, including flour (maida, atta), sugar, butter, rice and milk.
Oven Temperature ConverterNEW
Convert oven temperatures between Celsius, Fahrenheit and gas mark, with fan (convection) oven equivalents.
Shoe Size ConverterNEW
Convert men's and women's shoe sizes between US, UK, EU and foot length in centimetres, with a full size chart.
Clothing Size ConverterNEW
Size charts for women's clothing (US, UK, EU, France, Italy, Japan) and men's suits, jackets and shirts.
Ring Size ConverterNEW
Convert ring sizes between US, UK, EU and Japan, or find your size from a ring's inside diameter or your finger's circumference.
Business Tools
6 tools
Invoice GeneratorNEW
Create professional invoices with your logo, line items, tax (GST/VAT), discounts and amount in words, then download a PDF. No sign-up, no watermark.
Quotation GeneratorNEW
Create price quotations and estimates with your logo, items, taxes, discount and validity date, and download them as PDF.
Receipt GeneratorNEW
Create payment receipts with amount received, payment method, balance due and amount in words. Download as PDF or print.
Purchase Order GeneratorNEW
Create purchase orders for suppliers with items, quantities, prices, taxes and delivery date, and download them as PDF.
Salary Slip GeneratorNEW
Create monthly salary slips (payslips) with earnings, allowances, deductions, net pay and amount in words, with your company logo.
Business Card MakerNEW
Design a business card online with your logo, contact details and a QR code to your website. Three designs, any colour, 300 dpi PNG download.
Generators
7 tools
Test Data GeneratorNEW
Generate realistic fake test data: names, emails, phone numbers, addresses, companies, dates and UUIDs for the US, UK, Pakistan, India or UAE, as JSON, CSV or SQL.
Random Name GeneratorNEW
Generate random first and last names for men and women from the US, UK, Pakistan, India and the Arab world, for characters, games and test data.
Team GeneratorNEW
Split a list of names into random teams by number of teams or people per team, with team sizes as equal as possible. Great for classes, sports and games.
Tournament Bracket GeneratorNEW
Create a knockout tournament bracket with byes, click winners to advance them, or make a round-robin schedule. Up to 64 players or teams, printable.
Username GeneratorNEW
Generate username ideas from your name or keywords that fit Instagram, TikTok, X (Twitter), Twitch and gaming length and character rules.
Business Name GeneratorNEW
Generate business and brand name ideas from your keywords, with modern patterns, a length limit and one-click copy.
Barcode GeneratorNEW
Create barcodes online in Code 128, EAN-13, UPC-A, EAN-8, Code 39 and ITF-14, with automatic check digits. Download as PNG or SVG.
Security & Privacy Tools
7 tools
Password Strength CheckerNEW
Check how strong your password is, how long it would take to crack, and whether it appeared in a data breach, without your password leaving your device.
Passphrase GeneratorNEW
Generate strong, easy-to-remember passphrases from random words using the EFF diceware word list, with entropy shown.
2FA Code Generator (TOTP)NEW
Generate time-based one-time passwords (TOTP) from a Base32 secret, create new 2FA secrets and otpauth QR codes for authenticator apps.
File Hash CheckerNEW
Calculate MD5, SHA-1, SHA-256 and SHA-512 checksums of any file and compare with the expected hash to verify downloads. Files stay on your device.
Text EncryptionNEW
Encrypt messages and notes with a password using AES-256-GCM, and decrypt them again. Works in your browser; nothing is uploaded.
Data Redaction ToolNEW
Mask emails, phone numbers, card numbers, CNIC, Aadhaar, IBANs and IP addresses in text before sharing logs, screenshots or documents.
Secret Key GeneratorNEW
Generate cryptographically secure random keys for APIs, JWT secrets, session secrets and encryption, in hex, Base64 or Base64URL.
Private by design
JSON, text, QR and most image and PDF tools run in your browser. Your files never leave your device.
Instant results
No queues and no waiting. Results update as you type, even for large files.
Free, no sign-up
Every tool is free to use without an account. Sign in only if you want premium features.
Frequently asked questions
Is XUtilHub really free?
Yes. All tools are free to use without an account. Optional premium plans remove ads and raise limits for server-side conversions.
Are my files safe?
Most tools run entirely in your browser, so nothing is uploaded. The few conversions that need a server (such as Word ↔ PDF) delete files immediately after processing.
Do the tools work on mobile?
Yes. Every tool works on phones, tablets and desktops in any modern browser.