Tools that just work

100 free tools for developers, analysts, and traders. Everything runs in your browser โ€” nothing uploaded, no account required.

100% client-side no signup instant results toolsnova.net
๐Ÿ›  Developer Tools 16 tools
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JSON Formatter
Format, validate and beautify JSON with syntax highlighting.
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Base64 Encoder
Encode or decode Base64 strings. Supports Unicode and emoji.
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Cc
Case Converter
UPPER, lower, camelCase, PascalCase, snake_case, kebab-case.
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Aa
Word Counter
Count words, characters, sentences, paragraphs and reading time.
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URL Encoder
Encode or decode URLs and query parameters with breakdown.
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Timestamp Converter
Unix epoch โ†” human date. UTC, ISO 8601, local timezone.
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Password Generator
Cryptographically random strong passwords. Bulk generation.
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ยถ
Lorem Ipsum
Generate placeholder text โ€” words, sentences or paragraphs.
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UUID Generator
Generate UUID v4 strings. Bulk, uppercase, and no-dash formats.
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Hash Generator
MD5, SHA-1, SHA-256, SHA-512 from any text. All at once.
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Regex Tester
Live regex matching with match highlighting, flags, and quick-insert tokens.
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Diff Checker
Compare two texts or code files and see additions, deletions line by line.
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Color Picker
Pick colors and convert between HEX, RGB and HSL. Includes contrast checker.
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Number to Words
Convert any number to English words. For cheques, contracts and invoices.
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Text Repeater
Repeat any text up to 1,000 times with a custom separator.
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Random Number Generator
Cryptographically secure random numbers in any range. Dice roller included.
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JWT Decoder
Decode and inspect JWT tokens โ€” header, payload, claims, and expiry status.
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Markdown Editor
Live Markdown preview with HTML output. Side-by-side editor and renderer.
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JSON โ†” CSV
Convert JSON arrays to CSV or CSV files to JSON. Bidirectional, instant.
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HTML Encoder
Encode text to HTML entities or decode entities back to plain text.
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0x
Hex/Binary Converter
Convert between decimal, hex, binary and octal with ASCII and Unicode info.
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CSS Minifier
Minify CSS to reduce file size or format minified CSS for readability.
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Cron Expression Builder
Build cron schedules visually with plain-English descriptions and presets.
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Color Code Converter
Convert HEX, RGB, RGBA, HSL, CMYK with tints and shades.
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Number Base Converter
Binary, octal, decimal, hexadecimal โ€” all bases at once.
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Password Strength Checker
Entropy score, crack time estimate, detailed improvement tips.
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๐Ÿงฎ General Utilities 3 tools
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Age Calculator
Exact age in years, months and days. Days to next birthday.
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BMI Calculator
Body Mass Index in metric or imperial. Health category guidance.
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Percentage Calculator
X% of Y, percentage change, add/subtract %, and more.
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QR Code Generator
Generate QR codes for URLs, WiFi, text, email. Download PNG or SVG instantly.
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Image Compressor
Compress JPG, PNG, WebP in browser. No upload to server, no file size limit.
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Typing Speed Test
Test your WPM with accuracy and error tracking. 30s, 1 min, 2 min modes.
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Pomodoro Timer
25-min focus timer with breaks, session counter, and background tab support.
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Palworld Breeding Calculator
Find parent combinations for any Pal using the breeding power formula. Forward & reverse lookup.
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Stopwatch & Timer
Stopwatch with laps and countdown timer with audio alert.
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Aspect Ratio Calculator
Find ratio, scale to any width, compare to 16:9, 4:3, 21:9.
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Screen Resolution Calculator
PPI, aspect ratio, pixel count and scale factors for any resolution.
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Character Counter
Characters, words, sentences, reading time, platform limits.
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Word Frequency Counter
Top keywords and density analysis for any text. SEO & writing.
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Random Word Generator
Random nouns, adjectives, verbs for writing, games, prompts.
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Text to Slug Converter
Convert any title to a clean SEO-friendly URL slug instantly.
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๐Ÿ’ฐ Finance Tools 9 tools
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EMI Calculator
Monthly loan EMI, total interest, and amortisation breakdown.
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SIP Calculator
SIP future value, total invested vs estimated returns.
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Compound Interest
CI with any frequency โ€” annual, monthly, daily compounding.
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GST Calculator
Add or remove GST at 5%, 12%, 18%, 28% slabs with CGST/SGST breakdown.
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Salary Calculator
Convert salary between hourly, daily, weekly, monthly and annual pay.
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VAT Calculator
Add or remove VAT at UK 20%, EU rates, or any custom rate instantly.
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Discount Calculator
Calculate final price after any discount. Shows savings and comparison table.
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Tip Calculator
Calculate tip and split bill among any number of people instantly.
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Currency Converter
Convert between 30 currencies โ€” USD, PKR, INR, EUR, GBP, AED and more.
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Mortgage Calculator
Monthly payment, total interest, amortisation schedule with tax & insurance.
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Auto Loan Calculator
Car payment with down payment, trade-in, and all loan terms compared.
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Retirement Calculator
Project retirement savings with compound growth and monthly income forecast.
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Net Worth Calculator
Enter assets and liabilities to calculate your total net worth instantly.
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Invoice Generator
Create professional invoices with items, tax, and multiple currencies.
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Sales Tax Calculator
Add or remove sales tax at any rate with full comparison table.
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๐Ÿ”„ Unit Converters 6 tools
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Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin and Rankine instantly.
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Length Converter
km, miles, metres, feet, inches, cm โ€” all units at once.
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Weight Converter
kg, lbs, stones, grams, ounces โ€” full conversion table.
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Speed Converter
mph, km/h, m/s, knots, Mach โ€” for drivers, pilots and students.
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Data Size Converter
Bits, Bytes, KB, MB, GB, TB, PB โ€” developer essential.
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Time Zone Converter
Convert time between 20+ world time zones. Shows all zones at once.
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๐Ÿ“š Student Tools 6 tools
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GPA Calculator
Calculate your GPA on the 4.0 scale with credits and letter grades.
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Grade Calculator
Weighted grade calculator โ€” see your current grade and what you need on the final.
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ยฝ
Fraction Calculator
Add, subtract, multiply, divide fractions with step-by-step working.
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Scientific Calculator
sin, cos, tan, log, ln, sqrt, powers, factorial, ฯ€ and e. Works in browser.
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Percentage Error
Calculate % error between experimental and theoretical values with formula.
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Roman Numeral Converter
Convert numbers to Roman numerals or Roman numerals to numbers (1โ€“3999).
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๐ŸŽฒ Fun & Niche Tools 6 tools
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Sleep Calculator
Best bedtime and wake-up times based on 90-min sleep cycles.
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Love Calculator
Calculate compatibility percentage between two names. Just for fun!
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Lucky Number Generator
Personal lucky numbers from numerology, name, and date of birth.
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Coin Flip & Dice Roller
Flip coins and roll d4โ€“d100 dice online with statistics.
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Days Between Dates
Exact days, weeks, months between any two dates with weekday count.
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Zodiac Calculator
Western zodiac, Chinese zodiac, and numerology from your birth date.
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๐Ÿ’ช Health & Fitness 6 tools
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Calorie Calculator
Calculate daily calories, BMR, TDEE and macro targets for any weight goal.
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TDEE Calculator
Total Daily Energy Expenditure at all activity levels in one view.
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Macro Calculator
Daily protein, fat, and carbs for weight loss, muscle building, or keto.
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Ideal Weight Calculator
Find your ideal weight using four medical formulas with frame size adjustment.
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Body Fat Calculator
Calculate body fat % using US Navy tape method or BMI-based formula.
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Water Intake Calculator
Daily water target adjusted for weight, activity, and climate.
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Pace Calculator
Running pace, finish time, and split times for 5k to marathon.
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Fuel Cost Calculator
Trip fuel cost in L/100km, MPG, or km/L with comparison table.
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๐Ÿ“Š Trading Tools 13 tools
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Lot Size Calculator
Forex position size from balance, risk %, entry and stop loss.
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Risk:Reward Ratio
R:R ratio, P&L, and breakeven win rate for any trade.
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Drawdown Calculator
Drawdown loss and recovery % needed to break even.
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Margin Calculator
Required margin for any forex/CFD position and leverage.
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Gold Position Size
XAUUSD lot size calculator. Accounts for gold pip value.
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Pip Value Calculator
Calculate pip value for any pair and lot size in your account currency.
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Forex Profit Calculator
Calculate exact profit or loss for any forex trade before or after execution.
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Pivot Point Calculator
Daily support & resistance levels. Standard, Fibonacci, Camarilla, Woodie.
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Fibonacci Calculator
Retracement & extension levels from any swing high and low.
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Compound Trading
Project account growth with monthly compounding. With or without withdrawals.
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Risk of Ruin
Calculate if your trading strategy is sustainable and your edge is real.
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Leverage Calculator
Required margin, free margin, and max position size for any leverage ratio.
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SL/TP Calculator
Exact stop loss and take profit price levels from entry, risk, and R:R ratio.
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