Every category, one destination.

Browse 250+ free online tools at Web Utilitz — JSON formatter, QR generator, PDF & image tools, converters, SEO checkers and calculators. No login.

All tools by category

Games (1 tool)

Real-time multiplayer games — play live with a friend.

Multiplayer Chess — Play classical chess vs the computer or a friend in real time.

Typing & Practice (1 tool)

Test your typing speed, practice exam sets & track progress.

Typing Speed Test — Test your typing speed & accuracy with live WPM tracking.

Time & Productivity (3 tools)

Online stopwatch, countdown timer & Pomodoro focus timer — free & full-screen.

Online Stopwatch — A free online stopwatch with laps — start timing in one tap.
Online Timer — Set a countdown timer with an alarm — 5, 10, 25 minutes & more.
Pomodoro Timer — Focus in 25-minute sprints with automatic breaks & round tracking.

Formatters (7 tools)

Beautify & validate JSON, XML, YAML & SQL.

JSON Formatter — Beautify or minify JSON with live error checking.
JSON Validator — Validate JSON and pinpoint syntax errors.
XML Formatter — Pretty-print or minify XML, well-formedness checked.
XML Validator — Check XML is well-formed and locate errors.
YAML Formatter — Tidy YAML or convert it to JSON.
SQL Formatter — Standardise SQL with dialect-aware formatting.
SQL Beautifier — Turn cramped one-line SQL into readable queries.

QR & Barcodes (3 tools)

Generate scannable QR codes & 1-D barcodes.

QR Code Generator — Turn a link, text, WiFi or contact into a QR code.
Styled QR Code — Branded QR codes with your avatar in the center.
Barcode Generator — Create 1-D barcodes — Code 128, EAN, UPC & more.

CSV & Data (1 tool)

Convert, merge, split & dedupe CSV and JSON.

CSV / Excel Utilities — Convert, merge, split and dedupe CSV & JSON files.

Converters (3 tools)

Convert between units — length, weight, temperature & more.

Currency Converter — Convert 160+ currencies with live exchange rates.
Unit Converter — Convert length, weight, area, temperature, speed & data.
JSON to CSV / CSV to JSON Converter — Convert JSON to CSV and CSV to JSON, instantly.

Media (12 tools)

Convert and optimise assets.

File Converter — Convert images, audio, video, documents and more.
Image Resizer — Resize images by dimensions or percentage in bulk.
Compress Image — Shrink image file size with quality or a target size.
Image Editor — Crop, rotate, blur, sharpen & upscale images — all in one.
Background Remover — Erase an image background and get a transparent PNG.
Photo to Coloring Page Generator — Turn any photo into a printable coloring page or pencil sketch.
Favicon Generator — Image, emoji or text → favicon.ico + PNG set + link tags.
Image to Base64 / Data URI — Encode images to Base64 data URIs — and decode them back.
Collage Maker — 200+ Shapes — Photo collage in 200+ shapes — hearts, birthday, baby & more.
Word Cloud Generator — Free Word Cloud Maker — Turn any text into a visual word cloud — free & instant.
Placeholder Image Generator — Custom-size dummy images with text, colours, gradients & fonts.
Pixel Art Editor — Draw sprites & pixel animations — layers, frames, GIF export.

PDF Tools (13 tools)

Merge, split, rotate & convert PDFs — 100% in your browser, nothing uploaded.

Image to PDF — JPG, PNG & More to PDF Online — Combine JPG, PNG & more into a single PDF.
Merge PDF — Combine PDF Files Online Free — Join multiple PDFs into one file.
PDF to JPG — Convert PDF to Image Online — Turn every PDF page into a PNG or JPG.
Split PDF — Separate & Extract PDF Pages Online — Extract page ranges or split a PDF into files.
Rotate PDF — Rotate PDF Pages Online Free — Rotate some or all pages 90/180/270°.
Organize PDF — Reorder & Sort PDF Pages Online — Drag to reorder, rotate or delete pages.
Delete PDF Pages — Remove Pages from a PDF Online — Remove unwanted pages from a PDF in seconds.
PDF to Word / Word to PDF Converter — Convert PDF to editable Word or Word to PDF — in your browser.
Text To PDF — Convert TXT to PDF Online For Free — Write or drop text, format it, and export a clean PDF.
Compress PDF — Reduce PDF file size online — shrink big PDFs in your browser.
Unlock PDF — Remove a password from a PDF you can open — free & in-browser.
Password Protect PDF — Lock a PDF with a password — encrypt PDFs in your browser.
Sign PDF — e-Sign a PDF — draw or type your signature and place it on the page.

Color & Design (13 tools)

Pick colours, build palettes, check contrast & gradients.

Color Picker & Converter — Pick a colour and convert HEX, RGB, HSL, HSV & CMYK.
Color Palette Generator — Generate harmonious colour palettes from any base colour.
Color Contrast Checker (WCAG) — Check text/background contrast against WCAG AA & AAA.
CSS Gradient Generator — Build linear, radial & conic CSS gradients and copy the code.
Tailwind Color Generator — Turn one base colour into a full 50–950 Tailwind shade scale.
Blob & Wave SVG Generator — Generate organic blob shapes & hero-section waves as SVG.
CSS Box Shadow Generator — Design layered CSS box-shadows with a live preview.
CSS Border Radius Generator — Round corners and craft organic blob shapes in CSS.
Glassmorphism & Neumorphism Generator — Generate frosted-glass and soft-UI CSS effects.
CSS clamp() / Fluid Typography Generator — Build responsive clamp() sizes that scale without media queries.
CSS Flexbox / Grid Playground Generator — Visually build Flexbox & CSS Grid layouts and copy the code.
Mesh Gradient Generator — Create trendy multi-colour mesh backgrounds as pure CSS.
Cubic-Bezier Easing Generator — Shape CSS easing curves by dragging handles, with a live preview.

Calculators (14 tools)

Everyday calculators — age, dates and more.

Age Calculator — Find your exact age and a countdown to your next birthday.
EMI Calculator — Work out the monthly EMI on any loan in seconds.
Scientific Calculator — Trig, logs, powers, roots, factorial, π & e — with DEG/RAD.
Simple & Compound Interest Calculator — Work out simple or compound interest with a growth table.
FD / RD / PPF Calculator — Estimate maturity for fixed, recurring & PPF deposits.
Aspect Ratio Calculator — Resize by 16:9, 4:3 or any ratio — width and height locked.
SIP Calculator — Estimate the maturity value of your monthly investment.
GST Calculator — Add or remove GST and split it into CGST, SGST & IGST.
Sales Tax Calculator — Add or extract sales tax — any US state, VAT or GST rate.
Mortgage Calculator — Estimate your monthly home-loan payment with taxes & insurance.
ROI Calculator — Work out return on investment, net profit & annualised return.
Profit Margin Calculator — Find gross profit, profit margin % and markup from cost & price.
Inflation Calculator — See the future cost & lost buying power of money.
Retirement Calculator — Find the corpus & monthly SIP you need to retire.

Event Planning (2 tools)

Manage guest lists, RSVPs and event details.

Invitation QR Generator — Design a template invitation with a photo — get a QR that opens it.
Guest List Manager — Track RSVPs, plus-ones, meals & seating — then export.

Content & Text (10 tools)

Count, convert & clean up text and copy.

Lorem Ipsum Generator — Generate classic dummy placeholder text instantly.
Unicode Character Converter (Alt + X) — Type a hex code, press Alt + X, get the character — like Word.
Character Counter — Count characters, words & sentences with live limits.
Text Case Converter — Convert text to UPPER, lower, Title, camelCase & more.
HTML to Text Converter — Strip HTML tags and recover clean plain text.
Markdown Editor — Write Markdown with a live preview and convert to/from HTML.
Find & Replace (Bulk Text) — Run a list of find → replace rules over text at once.
Word Counter — Count words & characters online with live reading time.
Fancy Font & Text Generator — Turn text into 500+ copy-paste fancy fonts for Instagram & more.
Morse Code Translator — Translate text to Morse code and back, with sound.

Audio & Voice (2 tools)

Read text aloud & turn your speech into text — right in the browser.

Text to Speech — Type or paste any text and hear it read aloud in a natural voice.
Speech to Text — Speak into your mic and watch your words turn into text live.

Resume & Career (2 tools)

Build ATS-friendly resumes & CVs from 30 templates.

Resume & CV Builder — Build an ATS-friendly resume from 30 templates.
Invoice Generator — Free GST invoice generator, rent receipt maker & taxi/cab bill creator — 34 templates, download as PDF.

Email Tools (1 tool)

Design copy-paste-ready email signatures for Outlook, Gmail & Apple Mail.

Email Signature Generator — Design a professional email signature for Outlook, Gmail & Apple Mail.

Startup & Branding (1 tool)

Check if a business name's domains & social handles are free.

Business Name Availability Finder — Check a business name across domains & social handles in one click.

Legal & Policies (8 tools)

Generate privacy policies, terms, disclaimers, cookie & refund policies.

Privacy Policy Generator — Create a GDPR & CCPA-aware privacy policy in minutes.
Terms & Conditions Generator — Build a Terms & Conditions agreement for your site or app.
Terms of Service Generator — Draft Terms of Service for a SaaS, app or paid service.
Terms of Use Generator — Create a Terms of Use agreement for your website.
Disclaimer Generator — Generate a custom website disclaimer from the clauses you need.
Cookie Policy Generator — Explain the cookies your site uses, GDPR-aware.
EULA Generator — Create an End-User License Agreement for your app or software.
Return & Refund Policy Generator — Build a return & refund policy for your online store.

Developer (15 tools)

Test regex, decode & sign JWTs, and more.

Online Code Compiler — Write & run code in 16 languages — Python, C++, Java & more.
Regex Tester — Build, test & debug regular expressions live.
JWT Decoder — Decode & verify a JSON Web Token instantly.
JWT Generator — Build & HMAC-sign a JSON Web Token (HS256/384/512).
Crontab Guru — Decode cron expressions & see the next run times.
Unix Timestamp Converter — Convert Unix timestamps to dates and back, in any time zone.
HTML to JSX Converter — Convert HTML to React JSX — and JSX back to HTML.
SVG to JSX Converter — Convert SVG markup into a ready-to-use React JSX component.
SVG to React Native Converter — Turn SVG into a react-native-svg component for iOS & Android.
UUID / GUID Generator — Generate secure v4 & v7 UUIDs (GUIDs) in bulk and copy them.
URL Encoder / Decoder — Percent-encode & decode text for URLs.
Binary / Hex / Decimal Converter — Convert between binary, hex, decimal & octal.
.env File Generator — Build a .env file from key/value rows, or a framework preset.
.gitignore Generator — Combine language, framework, editor & OS templates into one file.
.htaccess Generator — Force HTTPS, redirect www, enable gzip & caching — no hand-coding.

Hash & Encoding (4 tools)

Hash text and encode/decode data.

Hash Generator — MD5, SHA-1, SHA-256, SHA-384 & SHA-512 of text or files.
Base64 Encode / Decode — Encode and decode Base64, Hex, URL, HTML, ROT13 & Binary.
Password (bcrypt) — Generate & verify salted bcrypt password hashes.
Password Generator — Secure random passwords & memorable passphrases.

Minifiers (3 tools)

Shrink HTML, CSS & JavaScript files.

HTML Minifier — Compress HTML by stripping comments & whitespace.
CSS Minifier — Minify & optimise CSS with rule restructuring.
JavaScript Minifier — Compress JS with Terser — mangle & dead-code removal.

Sitemaps (3 tools)

Generate and validate XML sitemaps.

XML Sitemap Generator — Crawl any site and build a clean XML sitemap.
Sitemap Validator — Check a sitemap against the protocol spec.
AI Sitemap Visualizer — Upload a sitemap.xml and see your site as a tree, with SEO insights.

Robots.txt (3 tools)

Build, test and audit crawler rules.

Robots.txt Generator — Build a valid robots.txt with a live preview.
Robots.txt Tester — See if a URL is allowed for a given crawler.
Robots.txt Analyzer — Audit a robots.txt for issues and coverage.

On-Page SEO (5 tools)

Analyse keywords & anchors, generate canonical tags.

Redirect Checker — Trace a URL's full redirect chain.
Canonical URL Generator — Build clean <link rel="canonical"> tags in bulk.
Keyword Extractor — Find the top keywords & phrases in any text.
Anchor Text Analyzer — Audit your link anchor text distribution for SEO.
Google SERP Snippet Preview — Preview your title & meta description in Google.

Marketing & Ads (11 tools)

Keyword density, CTR, CPC, CPM, CPA & SEO ROI — measure and optimise campaigns.

Keyword Density Calculator — Check keyword frequency & density to avoid over-optimisation.
CTR Calculator — Work out click-through rate from impressions and clicks.
CPC Calculator — Find your average cost per click from spend and clicks.
CPM Calculator — Calculate cost per 1,000 impressions for your ads.
CPA Calculator — Work out cost per acquisition from spend and conversions.
SEO ROI Calculator — Project SEO revenue through a funnel and measure your true ROI.
ROAS Calculator — Measure return on ad spend from revenue and cost.
CAC Calculator — Find your customer acquisition cost from marketing & sales spend.
Lead Cost Calculator — Work out your cost per lead (CPL) from spend and leads.
Conversion Rate Calculator — Calculate conversion rate from visitors and conversions.
UTM Link Builder — Build trackable campaign URLs with UTM parameters.

Health & Fitness (9 tools)

BMI, BMR, daily calories & protein intake — quick, private health estimates.

BMI Calculator — Check if your weight is healthy for your height.
BMR Calculator — Estimate the calories you burn at complete rest.
Calorie Calculator — Find your daily calories to lose, maintain or gain.
Protein Intake Calculator — How much protein to eat each day for your goal.
Pregnancy & Due Date Calculator — Estimate your due date and how far along you are, week by week.
Ovulation Calculator — Find your fertile window and most fertile days each cycle.
Body Fat Calculator — Estimate body-fat % with the US Navy method.
Calories Burned Calculator — Calories burned by activity, weight & time.
Sleep Calculator — Best bedtimes & wake times by sleep cycle.

Education (5 tools)

Percentage, CGPA, GPA & attendance — quick student calculators.

Percentage Calculator — Percent of a number, ratios and increase / decrease.
CGPA Calculator — Cumulative grade point average on the 10-point scale.
GPA Calculator — Credit-weighted GPA on the US 4.0 letter-grade scale.
Attendance Calculator — Your attendance % and how many classes you can skip.
Grade Calculator — Weighted grade from assignments & exams.

Real Estate (3 tools)

Property loan EMI, rental yield & construction cost estimates.

Property Loan Calculator — EMI, total interest & LTV for a home or property loan.
Rental Yield Calculator — Gross & net rental yield on an investment property.
Construction Cost Calculator — Estimate house build cost by area, with material split.

HR & Payroll (4 tools)

Take-home salary, EPF, gratuity & net-pay payroll — quick, private estimates.

Salary Calculator — Find your in-hand take-home salary from your CTC.
PF Calculator — Project your EPF retirement corpus with interest & pay growth.
Gratuity Calculator — Calculate the gratuity you’re owed on leaving a job.
Payroll Calculator — Turn monthly earnings & deductions into net pay.

Tax Calculators (3 tools)

Income tax, TDS & HRA exemption — India tax estimates made simple.

Income Tax Calculator — Estimate income tax — new vs old regime, FY 24-25 & 25-26.
TDS Calculator — TDS on rent, professional fees, contracts, interest & more.
HRA Calculator — How much House Rent Allowance is exempt from tax.

SaaS Metrics (5 tools)

MRR, ARR, churn, LTV & burn rate — core subscription & startup metrics.

MRR Calculator — Monthly Recurring Revenue from customers × ARPA.
ARR Calculator — Annual Recurring Revenue from customers × contract value.
Churn Rate Calculator — Customer churn & retention rate over a period.
LTV Calculator — Customer Lifetime Value & LTV:CAC ratio.
Burn Rate Calculator — Net burn & how many months of runway you have left.

Daily Utility (3 tools)

Date difference, fuel cost & electricity bill — everyday estimates in seconds.

Date Difference Calculator — Count the days, weeks & months between two dates.
Fuel Cost Calculator — Estimate trip fuel cost from distance, mileage & price.
Electricity Bill Calculator — Estimate an appliance’s electricity cost & units.

AI & LLMs (3 tools)

Make your site AI-ready — generate llms.txt for ChatGPT, Claude & more.

LLMs.txt Generator — Crawl your site and build a spec-compliant llms.txt for AI.
LLMs.txt Validator — Check an llms.txt against the llmstxt.org spec.
LLMs.txt Checker — Does a domain have an llms.txt? Detect, preview & flag issues.

Structured Data (2 tools)

Generate and validate schema.org markup.

Schema Markup Generator — Build valid schema.org JSON-LD with a form.
Schema Markup Validator — Validate schema.org structured data on a URL or paste.

Diagnostics (8 tools)

Inspect IPs and compare pages.

IP Address Locator — Where am I? Geolocate your location, any IP or domain on a map.
DNS / WHOIS Lookup — Look up a domain's DNS records & WHOIS info.
SSL Certificate Checker — Check a domain's SSL certificate & expiry.
Page Compare — Diff two pages side by side.
Meta Tag Viewer — See any page's SEO, Open Graph & Twitter tags.
Open Graph Preview — See how a link looks on Facebook, WhatsApp & LinkedIn.
Website Technology Detector — Detect React, Laravel, WordPress, Shopify & Bootstrap on any site.
HTTP Header Checker — Inspect response headers, status & redirect chain.

Link Checkers (4 tools)

Find broken, internal & external links.

Broken Link Checker — Find dead internal & external links on a page or site.
Broken Image Checker — Find 404 images, missing alt tags & oversized images.
Internal Link Checker — List & validate every internal link on a page or site.
External Link Checker — Audit outbound links & spot nofollow / dead ones.

Reference Data (48 tools)

Look up country & currency codes, time zones, GST rates, HTML colours & full forms.

All Country Codes — ISO country codes & phone dialing codes for every country.
All Currency Codes — ISO 4217 currency codes, symbols & countries for every currency.
All Time Zones — Every IANA time zone with UTC offset & live current time.
All GST Rates — GST slabs, HSN/SAC codes & rates for common goods & services.
All HTML Color Codes — Every CSS named colour with its HEX, RGB & HSL values.
All Full Forms — 1000+ abbreviations & their full forms, by category.
Emergency Helpline Numbers — Police, fire & ambulance emergency numbers for every country.
HTTP Status Codes — Every HTTP response code (200, 301, 404, 500) with its meaning.
ASCII Table — Full ASCII chart (0–127) with dec, hex, octal & binary values.
GST State Codes — GST state code for every Indian state (first 2 digits of a GSTIN).
Blood Group Compatibility — Who can donate to & receive from each ABO/Rh blood group.
Country Capitals — The capital city of every country, with flags & regions.
Country Flags — The flag of every country with its name & ISO code.
Currency Symbols — The symbol & HTML code for every world currency.
File Extensions & MIME Types — Common file extensions mapped to their MIME (media) type.
Indian States & Capitals — All 28 states & 8 UTs of India with capitals & codes.
HSN Code Finder — Find the HSN code & GST rate for any product in India.
SAC Code Finder — Find the SAC code & GST rate for any service in India.
RTO & Vehicle Codes — Indian vehicle registration codes by state & city (MH, DL, KA…).
IFSC Code Finder — Look up any bank branch from its IFSC code.
PIN Code Finder — Find an Indian PIN code by area, or an area by PIN.
STD Code Finder — Find the STD (area) dialling code for any Indian city.
MICR Code Finder — Decode the 9-digit MICR code on a cheque (city + bank + branch).
Railway Station Codes — Indian Railways station codes (NDLS, CSMT, HWH…) with zone.
Airport Codes — IATA & ICAO codes for major airports worldwide.
SWIFT Code Finder — SWIFT / BIC codes for major banks (India & global).
Tailwind CSS Colors — The full default Tailwind palette with hex & RGB.
Emoji List — Search & copy emojis by name — hearts, fire, flags & more.
HTTP Headers List — Common request & response HTTP headers, explained.
HTTP Methods — GET, POST, PUT, PATCH, DELETE & more — with semantics.
DNS Record Types — A, AAAA, CNAME, MX, TXT & more — what each DNS record does.
TLD List — Top-level domains — gTLDs & country-code TLDs explained.
ISO Language Codes — ISO 639-1 & 639-2 language codes with native names.
Airline Codes — IATA & ICAO codes for major airlines worldwide.
Incoterms 2020 — The 11 Incoterms® 2020 trade terms explained (FOB, CIF, DDP…).
Material Design Colors — The full Material Design palette with hex & RGB.
Unicode Characters — Useful Unicode symbols with code points — copy any of them.
Programming Language Extensions — File extensions for every programming language (.py, .js, .rs…).
Driving Side by Country — Which side of the road each country drives on (left / right).
Nationalities List — The nationality (demonym) for every country.
Country Continent — Which continent each country belongs to, with flags.
Country Languages — The official / primary language(s) of every country.
Mobile Network Codes (MCC/MNC) — MCC & MNC codes that identify mobile operators worldwide.
Country Area — Countries ranked by total area (largest countries in the world).
National Animals — The national animal of every country (tiger, eagle, panda…).
Lok Sabha Seats — Lok Sabha seats per Indian state / UT (543 total).
Network Port Reference — 108+ TCP/UDP ports with a security rating & firewall rule generator.

Guides & Tutorials (6 tools)

Step-by-step learning guides with worked examples — master Excel and Git & GitHub from beginner to pro.

Excel Cheat Sheet — Every essential Excel shortcut & top formula on one page.
Excel Guide — How Excel works — the fundamentals, explained simply.
Beginner Excel — Everyday Excel skills — with step-by-step examples.
Advanced Excel — Lookups, dropdowns, duplicates & PivotTables — with examples.
Master Excel — Dynamic arrays, Power Query, macros & dashboards.
Git & GitHub Guide — Clone, commit, push, branch & merge — every Git command with examples.

Randomizers & Fun (6 tools)

Flip a coin, get heads or tails & make fair random picks.

Flip a Coin — Heads or Tails — Toss up to 10 virtual coins and get heads or tails instantly.
Flip an Indian Coin — Heads or Tails — Toss a virtual Indian ₹1 coin and get heads or tails instantly.
Dice Roller — Roll a Dice Online — Roll one or two virtual 3D dice and get a fair result instantly.
Bottle Flip — Flip a Bottle Online — Flip a virtual water bottle and see if it lands upright.
Spin the Bottle — Online Party Game — Add your players and spin a bottle to pick one at random.
Spin the Wheel — Random Name Picker — Add names and spin a colourful wheel to pick one at random.