About ToolStand
Free tools should be simple, fast, and available to everyone.
Our Mission
ToolStand was built on a simple belief: the tools you need every day should not require downloads, subscriptions, or personal data. A spirit level should just work when you need to hang a picture. A QR code should generate instantly without a $10/week app store subscription.
We are tired of simple utilities wrapped in paywalls, ads that break functionality, and tools that demand your email before they do anything useful. ToolStand is our answer: clean, free tools that work in any browser, on any device, with zero friction.
The Free Tools Philosophy
We believe free means genuinely free — not "free trial," not "freemium," not "free if you watch three ads." Every tool on ToolStand is fully functional at no cost. No account required. No premium tier. No catch.
We keep the lights on through unobtrusive display advertising (via AdSense) that does not interfere with tool functionality. No pop-ups, no forced video ads, no dark patterns. If you prefer, you can support us by telling a friend about ToolStand — that means more to us than any subscription fee.
What We Offer — 153 Free Tools
📱 QR Code Generator & Scanner
Create and scan QR codes instantly. No app needed.
📐 Spirit Level
Use your phone as a bubble level. Perfect for hanging pictures.
🍅 Pomodoro Timer
Focus timer with clean design. No ads interrupting your flow.
🎵 Metronome
Precise rhythm tool for musicians. No subscription paywalls.
🔊 Decibel Meter
Measure sound levels. Great for classrooms and events.
🎡 Decision Wheel
Spin the wheel with custom options. Fair, fast, and free.
🌙 Sleep Sounds & White Noise
Mix rain, fire, ocean, and white noise. Fall asleep faster.
🖥️ Dead Pixel Test
Full-screen color test for your screen. No ads during the test.
👶 Pregnancy Due Date Calculator
Estimate your due date instantly. No sign-ups.
✍️ Signature Generator
Create a beautiful handwritten signature. Download as PNG.
⚖️ BMI Calculator
Body Mass Index calculator. Instant results, no health data stored.
🎂 Age Calculator
Calculate exact age in years, months, and days.
🔐 Password Generator
Generate strong, random passwords. Configurable length.
📝 Word & Character Counter
Count words, characters, sentences, and reading time.
🔣 Base64 Encoder & Decoder
Encode and decode Base64 strings. Essential developer utility.
🎨 Color Code Converter
Convert HEX to RGB and HSL. Pick colors and copy codes.
⏳ Countdown Timer
Set a date and time, get a live countdown. Embeddable.
📺 DPI & PPI Calculator
Calculate screen pixel density. For designers and developers.
🏛️ Roman Numeral Converter
Convert numbers to Roman numerals and back.
💵 Tip Calculator
Calculate tips and split bills. Works worldwide.
📈 Compound Interest Calculator
See how your money grows with compound interest. Charts.
💰 Dividend Reinvestment Calculator
Calculate dividend returns with reinvestment and tax.
💣 Minesweeper
Classic minesweeper. 3 difficulty levels. Flag, reveal, win.
🐍 Snake Game
Classic snake game. Eat, grow, beat your high score.
⚡ Reaction Time Test
Test your reflexes. High-precision timing via performance.now().
🎛️ Frequency Generator & Tone Tool
Pure tones 20Hz-20kHz. Water extraction mode included.
📝 Text Diff Checker
Compare two texts side by side. Color-coded LCS diff.
🎬 Video Hook & Script Timer
Calculate video duration from script. WPM slider, hook detection.
📋 YouTube Title & Tag Generator
Generate YouTube titles and tags from keywords.
🤖 AI Token Counter & Cost Estimator
Count tokens, estimate API costs for 12 models.
{ } JSON Formatter & Validator
Format, validate, minify JSON. Error line detection.
📊 Trade Risk & Break-Even Calc
Break-even price with commission. BIST, Binance presets.
📉 DCA Calculator
Dollar Cost Averaging. Add buys, see real average cost.
🥑 Keto & Macro Calculator
Calculate keto macros. BMR, TDEE, doughnut chart.
🆔 UUID Generator
Generate UUID v4 identifiers. Browser crypto API.
🔐 JWT Decoder
Decode JWT tokens. View header, payload, expiration.
🕐 Unix Timestamp Converter
Convert Unix timestamps to dates and back. Bidirectional.
🔗 URL Encoder & Decoder
Encode/decode URL strings. Percent-encoding tool.
📝 HTML Entity Encoder & Decoder
Encode/decode HTML entities. XSS prevention.
🔤 Case Converter
UPPER, lower, camelCase, snake_case, 8 formats.
🔢 Number Base Converter
Binary, octal, decimal, hex. Real-time conversion.
⏱️ Stopwatch
Online stopwatch with lap timing. Millisecond precision.
📅 Date Difference Calculator
Days between dates. Business days, years, weeks.
📊 UTM Builder
Build UTM campaign URLs. Source, medium, campaign.
🤖 Robots.txt Generator
Generate robots.txt. Allow/block crawlers.
🏷️ Meta Tag Generator
Generate SEO meta, Open Graph, Twitter Card tags.
🎨 Color Palette Generator
Complementary, analogous, triadic, monochrome palettes.
📄 Lorem Ipsum Generator
Placeholder text. Paragraphs or words. HTML output.
⏰ Cron Expression Builder
Visual cron builder. Human-readable. Presets included.
🔐 Hash Generator
SHA-256, SHA-1, SHA-512. Web Crypto API.
🔍 Regex Tester
Test regex in real-time. Highlight matches, groups.
📝 Markdown Previewer
Live Markdown preview. Write left, see rendered HTML right.
🔒 Password Strength Checker
Entropy score, crack time, improvement tips.
📏 Unit Converter
Length, weight, temp, area, volume, speed. All in one.
📖 Readability Score Checker
Flesch-Kincaid score, grade level, word statistics.
🌍 Time Zone Converter
Compare current time across cities worldwide.
🔍 JSON Compare
Compare two JSON objects. Find added/removed/changed keys.
💧 Water Intake Calculator
Daily water needs based on weight, activity, climate.
🌐 What Is My IP Address
Check your public IPv4 & IPv6, ISP, and location instantly.
🔢 Number to Words Converter
Convert numbers to words in 8 languages: English, Turkish, German, French, Spanish, Arabic, Hindi, Chinese.
🎨 Gradient Generator
CSS gradients: linear, radial, conic. Copy CSS code.
📋 JSON Schema Generator
Generate JSON Schema from JSON. Auto-detects types.
📄 YAML Validator
Validate YAML, convert to JSON. Error line detection.
🗄️ SQL Formatter
Format SQL. MySQL, PostgreSQL, SQLite. Beautify/minify.
📊 Barcode Generator
CODE128, EAN-13, UPC barcodes. Download SVG/PNG.
🧮 Scientific Calculator
Trig, log, sqrt, power. Expression input with history.
🌡️ Temperature Tracker
Track body temp. Chart, CSV export. Fever alerts.
🔍 Regex Explainer
Translate regex to human language. Token-by-token explanation.
📄 XML Formatter & Validator
Format & validate XML. DOMParser error detection.
🔄 XML ↔ JSON Converter
Bidirectional XML ↔ JSON conversion. Recursive mapping.
📊 CSV ↔ JSON Converter
CSV ↔ JSON converter. Smart parsing with PapaParse.
🎯 JSONPath Tester
Evaluate JSONPath queries. Select data from JSON.
🔎 SERP Preview Tool
Google SERP preview. Title 60, description 160 chars.
💸 Inflation Calculator
Calculate inflation impact. Future value of money.
🎲 Random Number Generator
Cryptographic random numbers. Dice, lottery, unique picks.
📐 Aspect Ratio Calculator
Aspect ratio calculator. YouTube, Instagram, TikTok presets.
🔐 Text Encryptor / Decryptor
AES-256-GCM encryption. Password-protected messages.
🔑 SSH Key Generator
Generate SSH key pairs. RSA, ECDSA. PEM format.
🥁 BPM Tap Tempo
Tap tempo BPM finder. Tap button or press spacebar.
👁️ Open Graph Preview
Social media link preview. Facebook, Twitter, LinkedIn.
🖼️ Image Resizer & Compressor
Resize & compress images. Canvas API, no upload.
🔄 Image Format Converter
PNG, JPEG, WebP conversion. Batch processing support.
🏦 Loan & Mortgage Calculator
Loan calculator. Monthly payment, amortization, early payoff.
🔥 Calorie & TDEE Calculator
Daily calorie needs, TDEE, macros. BMR calculation.
👁️ Color Blindness Simulator
Color blindness simulator. 4 types, Canvas LMS matrix.
🏃 Pace & Running Calculator
Running pace, time, distance. 5K, 10K, marathon splits.
✅ Pomodoro + Task Tracker
Pomodoro timer + task list. Progress tracking.
💱 Currency Converter
Live exchange rates. Frankfurter API, 7-day chart.
📈 Function Graph Plotter
Math function graphing. sin, cos, x², multi-function.
🧾 Invoice Generator
Create invoices, print-ready template. Export via print.
🟩 Wordle Solver
Wordle solver. Letter filtering, 2000+ words.
📎 PDF Merge
Combine multiple PDFs into one. Drag-and-drop, reorder, instant download.
✂️ PDF Split
Split PDFs by page range. Extract individual pages or ranges.
🖼️ Image to PDF
Convert JPG, PNG, WebP images to PDF. A4/Letter, margins.
📄 PDF to Image
Convert PDF pages to PNG, JPG, or WebP images. High quality.
🏗️ Schema Markup Generator
Generate JSON-LD schema. Organization, Product, FAQ, Article, more.
❓ FAQ Schema Generator
Create Google FAQ rich results. Question-answer pairs, copy code.
🐖 Savings Calculator
Future value of savings. Compound growth with Chart.js visualization.
👴 Retirement Calculator
Estimate retirement fund and monthly income. 4% rule, growth chart.
💪 Body Fat Calculator
US Navy body fat % formula. Gender-specific, fitness assessment.
📐 SVG Optimizer
Minify and clean SVG code. Remove metadata, comments, whitespace.
🎨 CSS Box Shadow Generator
Design box shadows visually. Adjust offset, blur, spread, color. Live preview. Copy CSS.
⭕ CSS Border Radius Generator
Generate border-radius visually. Control each corner individually. px or %. Copy CSS.
📐 CSS Clamp Generator
Generate CSS clamp() for fluid typography and spacing. Min, preferred, max. Copy instantly.
📦 JSON Minifier
Minify and compress JSON. Strip whitespace, reduce file size. Size comparison stats.
☕ JSON to Java POJO/DTO Converter
Convert JSON to Java POJO classes with Lombok, Jackson, nested objects. Free online converter, no sign-up.
🤖 AI Prompt Builder & Optimizer
Build structured prompts for ChatGPT, Claude, Midjourney. Role, tone, format controls. Free and instant.
🐳 Dockerfile & Docker Compose Generator
Generate Dockerfile and compose files for Node, Python, Go, Java. Pick DB, ports, env vars. No Docker experience needed.
🔍 Meta Tag & SERP Preview Generator
Preview Google search results and social cards. Generate meta tags with live SERP simulator. Free SEO tool.
📊 Markdown Table Generator & CSV Converter
Create Markdown tables visually or paste CSV. Align columns, export to HTML. Works with GitHub Flavored Markdown.
🌍 World Clock
Track time across multiple cities. Search, add city clocks. Day/night indicators, UTC offsets. Free world clock.
📖 Thesaurus & Synonym Finder
Find synonyms, antonyms, and related words instantly. Real-time lookup with similarity scores and part-of-speech labels. Free, no sign-up.
🔊 Morse Code Translator
Encode text to Morse code and decode Morse back to text. Play as audio tones. International ITU standard.
🎯 Venn Diagram Maker
Create beautiful 2-circle and 3-circle Venn diagrams. Customize colors, labels, intersections. Export SVG/PNG.
📛 Name Generator
Generate unique names for characters, babies, and brands. 7 categories: fantasy, modern, medieval, sci-fi, Nordic, Japanese, Arabic.
👾 Pixel Art Maker
Draw pixel art on a customizable grid. 24-color palette, 3 grid sizes, click-and-drag drawing, and PNG export. Free, no sign-up.
🎲 Dice Roller
Roll virtual dice with realistic animation. d4 to d100, multiple dice, history tracking. Free, no sign-up.
🪙 Coin Flip
Flip a virtual coin — heads or tails. True 50/50 via crypto.getRandomValues(). Single or batch mode up to 100 flips.
Contact
Have a tool idea? Found a bug? Just want to say hi? We would love to hear from you.
We read every email and respond to as many as we can.