TOOL
PAD.
CC

precision tools for the web

Free, fast, no-login utility tools for students, developers, writers, and professionals. No tracking. Just tools.

85 Tools

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Finance & Money

loans, taxes, investments

Monthly EMI, total interest, amortization schedule. Home, car, personal loan — any loan.

emi.toolpad.cc →

Calculate SIP returns, total invested, and wealth gained. Year-by-year growth table.

sip.toolpad.cc →

COMPOUND INTEREST

Compound interest with custom frequency. Year-by-year growth and effective annual rate.

ci.toolpad.cc →

Add or remove GST at 5%, 12%, 18%, 28%. CGST, SGST, IGST breakdown.

gst.toolpad.cc →

SALARY CALCULATOR

CTC to in-hand salary. PF, HRA, professional tax, income tax (new regime).

salary.toolpad.cc →

DISCOUNT CALCULATOR

Calculate discount amount and final price. Reverse mode: find discount percentage.

discount.toolpad.cc →

Calculate tip and split the bill. Preset percentages with custom option.

tip.toolpad.cc →

Math & Numbers

calculate & explore

PERCENTAGE CALC

What is X% of Y? Percentage change, reverse percentage — all modes in one place.

percent.toolpad.cc →

Convert between decimal, binary, octal, and hex with BigInt precision.

toolpad.cc/numbase →

Test prime numbers, factorization, and Goldbach conjecture explorer.

toolpad.cc/prime →

3D Doppler simulator. Watch wave fronts compress and stretch, see Mach cones form, oscilloscope included.

toolpad.cc/doppler →

3D GRAPH PLOTTER

Mesmerising 3D mathematical visualization. Plot complex equations in real-time.

toolpad.cc/3d-graph-plotter →

Convert between Roman numerals and decimal numbers. Supports 1–3999 with conversion breakdown.

toolpad.cc/roman →

Calculate GCD and LCM for multiple numbers with prime factorization steps.

toolpad.cc/gcdlcm →

RANDOM GENERATOR

True randomness via crypto.getRandomValues(). Numbers, dice, coins, lists.

toolpad.cc/random →

Convert any unit — length, weight, temperature, area, volume, speed, data, time. Live results for all units.

toolpad.cc/convert →

Health & Life

personal calculators

Calculate BMI with visual scale. Category, healthy weight range, kg/lbs toggle.

bmi.toolpad.cc →

Exact age in years, months, days — plus next birthday countdown and fun life stats.

age.toolpad.cc →

Text & Writing

writers & researchers

Real-time word, character, sentence, and paragraph count. Reading time included.

wordcount.toolpad.cc →

Paste any text — get reading time, speaking time, and complexity stats instantly.

readtime.toolpad.cc →

Academic journal metadata lookup by ISSN. Publisher and open access status.

toolpad.cc/issn-lookup →

Look up any book by ISBN-10 or ISBN-13. Covers, authors, publishers, and more.

toolpad.cc/isbn →

Generate placeholder lorem ipsum text by paragraphs, sentences, or words. Copy with one click.

toolpad.cc/lorem →

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

toolpad.cc/case →

Paste two texts and see line-by-line differences. Added lines in green, removed in red.

toolpad.cc/diff →

MARKDOWN PREVIEW

Live Markdown editor with instant rendered preview. Supports all common syntax including tables, code blocks, and links.

toolpad.cc/markdown →

Listen to any text using your browser's built-in speech synthesis. Choose voice, speed, pitch, and volume.

toolpad.cc/tts →

Convert any text into a clean, URL-friendly slug. Lowercase, hyphenated, no special characters. Live preview as you type.

toolpad.cc/slug →

TYPING SPEED TEST

Test your typing speed and accuracy with real-time WPM tracking. Multiple passages, character highlighting.

toolpad.cc/typingtest →

Analyze how often each word appears in any text. Filter stopwords, sort, visualize with bars, export as CSV.

toolpad.cc/wordfreq →

Sort, deduplicate, shuffle, reverse, trim, number, and clean lines of text. Chain multiple operations live.

toolpad.cc/linetools →

NUMBER TO WORDS

Convert any number to English words. International (millions/billions) or Indian (lakhs/crores) system. Ordinals and decimals.

toolpad.cc/num2words →

Developer Tools

code & security utilities

Format, minify, validate JSON. Syntax highlighting, error detection, copy output.

json.toolpad.cc →

Live regex matching with highlighted results, match groups, and presets.

regex.toolpad.cc →

Your IP address, ISP, country, city, timezone — instantly. Lookup any IP too.

ip.toolpad.cc →

Strong, random passwords. Custom length, character sets, strength meter, bulk generation.

password.toolpad.cc →

Paste code or text, get a shareable link. Choose expiry from 1 hour to 30 days.

toolpad.cc/paste →

Encrypt text into a shareable link. Password-lockable. AES-256 in browser.

toolpad.cc/share →

Minify JavaScript by stripping comments and collapsing whitespace, or beautify with clean indentation. See exactly how much size you save.

toolpad.cc/jsmin →

Minify CSS to shrink file size by stripping whitespace, comments, and unnecessary semicolons — or beautify with clean indentation.

toolpad.cc/cssmin →

Beautify SQL with proper indentation and uppercase keywords, or minify to a compact single line.

toolpad.cc/sql →

Learn SQL with interactive story-driven challenges. Write real queries against live in-browser SQLite databases. 4 scenarios, 60 challenges.

toolpad.cc/sql-practice →

Generate UUIDs v4 (random) and v7 (time-ordered) in bulk. Multiple formats. Pure browser generation.

toolpad.cc/uuid →

TIMESTAMP CONVERTER

Convert Unix timestamps to human dates and back. Live updating, multiple formats, relative time.

toolpad.cc/timestamp →

Decode JSON Web Tokens instantly. Inspect header, payload, expiry, and claims. Nothing leaves your browser.

toolpad.cc/jwt →

Encode text or files to Base64 and decode Base64 strings. Supports URL-safe mode and file drag-and-drop.

toolpad.cc/base64 →

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text. Processed locally — nothing leaves your browser.

toolpad.cc/hash →

Encode and decode URLs and query strings. Supports encodeURIComponent, full URI encoding, and form percent-encoding.

toolpad.cc/urlencode →

Encode and decode HTML entities. Safely escape HTML to prevent XSS. Searchable reference of 100+ named entities.

toolpad.cc/htmlentity →

IMAGE TO BASE64

Convert images to Base64 strings and data URIs. Drag and drop or browse.

toolpad.cc/img2base64 →

Translate text to Morse code and back. Audio playback with adjustable speed. Full reference chart.

toolpad.cc/morse →

Convert CSV to JSON or JSON to CSV. Flatten nested/multilevel JSON into CSV columns. Custom delimiters, drag & drop.

toolpad.cc/csv2json →

Compare two JSON objects and see added, removed, and changed keys highlighted. Recursive diff with full nesting support.

toolpad.cc/jsondiff →

Convert cURL commands to JavaScript fetch() or axios code. Handles headers, auth, JSON body, cookies, and all common flags.

toolpad.cc/curl2fetch →

Generate .gitignore files for any stack. Select Node, Python, Java, Go, React, IDEs, and OS — get a clean combined file.

toolpad.cc/gitignore →

Parse cron expressions in plain English. See next 10 execution times and build schedules from common presets.

toolpad.cc/cron →

Look up MIME types by file extension or MIME string. Searchable reference for web, image, video, audio, document, and data types.

toolpad.cc/mime →

Build a robots.txt file with multiple user-agent rules, allow/disallow paths, crawl delay, and sitemap URL.

toolpad.cc/robotsgen →

SITEMAP GENERATOR

Build XML sitemaps with full standard support — image, video, news, hreflang, sitemap index. Manual entry, bulk import, or site scanner.

toolpad.cc/sitemap-tool →

Every Google-recognized meta tag explained. Build your tag set with editable fields and copy the HTML.

toolpad.cc/metatags →

CHMOD CALCULATOR

Visual chmod calculator — toggle permissions for Owner, Group, Others and instantly get the numeric code and chmod command.

toolpad.cc/chmod →

HTTP STATUS CODES

Complete HTTP status code reference. Search by code number or keyword. Click any card for details.

toolpad.cc/http-status →

Live binary, decimal, hex, and octal converter with bit visualization and ASCII text tools.

toolpad.cc/binary →

Music

play instruments in browser

Professional Virtual Harmonium with 3-octave reeds, Tabla beats, and Tanpura drone.

toolpad.cc/harmonium →

Play a 2.5-octave piano with keyboard shortcuts. 15 practice melodies with auto-play.

toolpad.cc/piano →

Browse 30+ chord diagrams, strum with Space key. Karplus-Strong string synthesis.

toolpad.cc/guitar →

9 synthesized drum pads with keyboard shortcuts. 16-step sequencer + 15 patterns.

toolpad.cc/drums →

Sample-accurate click track. BPM 20–300, tap tempo, 8 time signatures, subdivisions.

toolpad.cc/metronome →

Games & Interactive

puzzles & play

Generate perfect mazes with DFS or Prim's. Save as PNG, SVG, JSON or ASCII.

toolpad.cc/maze-generator →

Solve mazes using BFS, DFS, or A*. Visualize the search path instantly.

toolpad.cc/maze-solver →

Transform 2D mazes into immersive 3D worlds. Play in first-person mode.

toolpad.cc/3d-maze-player →

Realistic 3D coin flip with ultra-premium lighting and physics. Heads or tails.

toolpad.cc/coin →

Learn Git with a live animated commit graph. Every command plays out visually — branches, merges, rebases, resets. 12 levels.

toolpad.cc/gitcraft →

Roll customizable dice. Choose 1–6 dice with 4, 6, 8, 10, 12, or 20 sides. History and stats tracking.

toolpad.cc/dice →

Date & Time

clocks & time tools

Calculate the exact difference between two dates in years, months, days, hours, and more.

toolpad.cc/datediff →

COUNTDOWN TIMER

Set a countdown to any future date. Live days, hours, minutes, seconds. Save multiple countdowns.

toolpad.cc/countdown →

TIMEZONE CONVERTER

Convert time between any two timezones. See live current time in cities worldwide.

toolpad.cc/timezone →

Precise stopwatch with lap times and countdown timer. Big display, keyboard shortcuts.

toolpad.cc/stopwatch →

Focus in 25-minute sprints with short and long breaks. Audio alerts, session counter, fully customizable durations.

toolpad.cc/pomodoro →

Track time across multiple regions. Customize your dashboard with cities from around the globe.

toolpad.cc/world-clock →

Live Data

real-time feeds

Live map of earthquakes, storms, volcanoes, wildfires & floods. NASA EONET + USGS.

toolpad.cc/disasters →

DISASTER HISTORY

Search historical earthquakes, storms, and natural disasters by date range and type.

toolpad.cc/disasters/history →

Devices & Hardware

device utilities

WARRANTY CHECKER

Check laptop warranty status for Dell, HP, Lenovo, Apple, Asus, Acer and more. Redirects to official manufacturer page.

toolpad.cc/warranty →

Visual & Media

image & video utilities

Crop to passport dimensions, remove background with AI, add any color, export PNG or print-ready PDF sheet.

toolpad.cc/passport-photo →

YT PLAYLIST CLOCK

Calculate total duration of any YouTube playlist at 1×, 1.25×, 1.5×, 2× speed.

playlist.toolpad.cc →

QR CODE GENERATOR

Generate QR codes for URLs, text, email, phone, or WiFi. Adjust size and download as PNG.

qr.toolpad.cc →

BACKGROUND ERASER

Professional-grade background removal. AI powered or manual precision brush. Everything runs locally, no uploads.

toolpad.cc/bgremove →

Calculate aspect ratios from dimensions, or scale dimensions from a ratio. Presets for video, photo, and social media.

toolpad.cc/aspect →

FAVICON GENERATOR

Generate favicons from text, emoji, or an uploaded image. Download PNG in multiple sizes. 100% browser-based.

toolpad.cc/favicon →

Your screen resolution, viewport, device pixel ratio, and display details. Live updates on resize.

toolpad.cc/screen →

Convert colors between HEX, RGB, HSL, HSV, and CMYK. Generate shades, tints, and complementary palettes.

toolpad.cc/color →

Resize images by pixels or percentage in your browser. Aspect ratio lock, instant preview.

toolpad.cc/resize →

Crop images to any size or aspect ratio in your browser. Presets for Instagram, YouTube, Twitter.

toolpad.cc/crop →

IMAGE COMPRESSOR

Compress and convert images in your browser. Reduce JPEG, PNG, WebP file size without losing quality. No uploads, 100% private.

toolpad.cc/compress →

3D ANIMATION STUDIO

Create and animate 3D scenes in your browser. Powered by Three.js. No install required.

toolpad.cc/animation-studio →

PIXEL ART EDITOR

Draw pixel art with pencil, fill, and eraser. 8x8 to 64x64 grids. Export as PNG.

toolpad.cc/pixelart →

ASCII ART GENERATOR

Upload any image and convert it to ASCII art. Adjust width, character set, and invert mode.

toolpad.cc/ascii →

Free online whiteboard. Draw freehand, lines, rectangles, circles, and text. Export as PNG.

toolpad.cc/whiteboard →

PALETTE EXTRACTOR

Upload an image to extract dominant colors. Get HEX, RGB values. Export as CSS variables or JSON.

toolpad.cc/palette →

Create beautiful CSS gradients visually. Linear, radial, conic types with presets. Copy the CSS code.

toolpad.cc/gradient →

BARCODE GENERATOR

Generate barcodes in CODE128, EAN-13, UPC-A, CODE39, and more. Download as PNG or SVG.

toolpad.cc/barcode →

HANDWRITING NOTEPAD

Digital notepad for handwriting and drawing. Write with mouse, stylus, or touchscreen. Export as PNG.

toolpad.cc/handwriting →

Physics Lab

interactive 3D simulations

Interactive 3D physics simulations. Lorenz attractor, double pendulum, Fourier series, electric fields, reaction-diffusion, wave interference, n-body gravity, and more.

toolpad.cc/education/ →

Need more tools? Feedback? admin@toolpad.cc

Why use toolpad.cc?

In today's digital world, simple tasks often require complex software or invasive sign-ups. toolpad.cc was built to solve this problem. We provide a curated collection of 80+ high-quality utility tools that are 100% free, require no login, and process your data right in your browser whenever possible.

Whether you are a developer looking for a JSON formatter, a student needing an EMI calculator, or a writer looking for a word counter, toolpad.cc offers a clean, distraction-free environment to get your work done.

Key Benefits:

Privacy First: Most of our tools are client-side only. Your sensitive data (like passwords or text) never even touches our servers.
No Account Needed: Start using any tool instantly. No email, no password, no tracking.
Blazing Fast: Built with minimal overhead, our site loads in milliseconds, even on slow connections.
Mobile Optimized: Every tool is designed to be fully functional on your smartphone or tablet.

Featured Resources & Guides

Learn why JSON is the backbone of the modern web and how to read it.

Password Security

Why length is more important than complexity in modern security.

How QR codes made a massive comeback and how to use them safely.

View all guides and articles →

Frequently Asked Questions

Are the tools truly free?

Yes, every tool on toolpad.cc is free to use forever. We don't have premium tiers or hidden charges. We fund the site through non-intrusive advertisements to keep the lights on.

Is my data safe?

Absolutely. For the vast majority of our tools, the processing happens entirely in your browser using JavaScript. This means your data doesn't leave your computer. For tools that require server interaction (like IP lookup), we do not store any personal information.

Can I suggest a new tool?

We love feedback! If there is a utility tool you use frequently that is missing from our collection, please reach out to us at admin@toolpad.cc. Most of our new tools are added based on user requests.

Why is there no login?

We believe utility tools should be as simple as a calculator. You don't need to log in to your physical calculator, and you shouldn't need to log in here. Efficiency is our top priority.