Burnjet Tools & Utilities
Free, genuinely functional developer utilities, stock market math, compound growth calculators, SEO assistants, and client-side media engines.
Tool Categories
8 Specialized SuitesSEO Tools
Meta tags, robots.txt, XML sitemaps, SERP previews, schema markup, and keyword density analyzers.
Developer Tools
JSON formatters, JWT decoders, Base64, UUIDs, cryptographic hashes, regex, cron, diff, CSV, and base converters.
Unit Converters
High-precision length, weight, temperature, data storage, speed, area, and volume conversion engines.
Career Tools
Resume builder, ATS keyword matchers, bullet point generators, cover letter builders, and job analyzers.
General Calculators
Percentages, dates, age, time differences, discounts, sales tax, BMI, and break-even math engines.
Finance Calculators
Compound interest, SIP, loan EMI amortization, CAGR, inflation, retirement, emergency fund, and savings goals.
Stock Market Tools
Stock returns, average prices, dividend yields, P/E valuations, portfolio allocation, stock splits, and Indian stock charges.
Text Tools
Word counters, case converters, line deduplicators, text cleaners, find & replace, extractors, and lorem ipsum.
Web Tools
HEX/RGB color converters, CSS gradients, box shadows, border radius, flexbox/grid helpers, and QR generators.
Image Tools
100% browser-side image compressors, resizers, croppers, and WebP format converters.
Utility Tools
Password generators, random number engines, timestamp converters, and time calculators.
Popular Utilities
Universal Unit Converter
Convert between units across length, weight, temperature, data storage, speed, area, and volume.
Free Resume Builder & ATS Studio
Build professional, ATS-friendly resumes with 8 customizable templates, live preview, IndexedDB privacy, and high-fidelity PDF export.
Resume ATS Keyword Matcher
Compare your resume against a target job description to calculate keyword match scores and discover missing technical skills.
Compound Interest Calculator
Calculate compound growth over time with monthly contributions and custom compounding frequencies.
SIP Calculator (Systematic Investment Plan)
Calculate estimated wealth gained and maturity values from monthly mutual fund SIP investments.
Loan EMI Calculator & Amortization
Calculate monthly loan EMI payments, total interest payable, and full year-by-year amortization schedules.
All Utilities
Showing 77 of 77Universal Unit Converter
Convert between units across length, weight, temperature, data storage, speed, area, and volume.
Length & Distance Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Weight & Mass Converter
Convert between milligrams, grams, kilograms, ounces, pounds, and stones with precision.
Temperature Converter (Celsius, Fahrenheit, Kelvin)
Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) temperature scales.
Data Storage Converter (Bytes, KB, MB, GB, TB)
Convert digital storage between Bits, Bytes, KB, MB, GB, TB, and binary KiB, MiB, GiB, TiB.
Speed & Velocity Converter
Convert velocity between m/s, km/h, mph, and knots.
Area Converter (Sq Meters, Sq Feet, Acres, Hectares)
Convert surface areas between square meters, square feet, square yards, acres, and hectares.
Volume & Liquid Capacity Converter
Convert volumes between milliliters, liters, gallons, quarts, pints, and cups.
Free Resume Builder & ATS Studio
Build professional, ATS-friendly resumes with 8 customizable templates, live preview, IndexedDB privacy, and high-fidelity PDF export.
Resume ATS Keyword Matcher
Compare your resume against a target job description to calculate keyword match scores and discover missing technical skills.
Resume Bullet Point Optimizer
Transform weak duty descriptions into high-impact, measurable Action-Task-Result bullet points.
Professional Cover Letter Builder
Generate tailored, professional software engineer and developer cover letters ready to copy or download.
Job Description Keyword Extractor
Extract core skills, required technologies, and high-frequency terms from any job posting.
Compound Interest Calculator
Calculate compound growth over time with monthly contributions and custom compounding frequencies.
SIP Calculator (Systematic Investment Plan)
Calculate estimated wealth gained and maturity values from monthly mutual fund SIP investments.
Loan EMI Calculator & Amortization
Calculate monthly loan EMI payments, total interest payable, and full year-by-year amortization schedules.
CAGR Calculator (Compound Annual Growth)
Determine the smooth annual rate of return for any investment over multiple years.
Inflation & Purchasing Power Calculator
Calculate how inflation erodes purchasing power and determine future cost of living.
Savings Goal Calculator
Find out how much money you need to save every month to reach your target savings goal.
Rule of 72 Calculator
Quickly estimate the number of years required to double your money at a given fixed rate of return.
Emergency Fund Calculator
Calculate recommended 3-month, 6-month, and 12-month emergency savings targets based on living expenses.
SIP vs Lump Sum Calculator
Compare the projected returns of a one-time lump sum investment against regular monthly SIP investments.
Stock Return Calculator
Compute net profit, absolute return percentage, annualized CAGR, fees, and dividend returns for stock trades.
Stock Average Price Calculator
Calculate your weighted average purchase price across multiple stock buys and market dips.
Dividend Yield Calculator
Calculate annual dividend yield percentage and project multi-year passive cash payouts.
Portfolio Allocation Calculator
Break down multi-asset portfolios into visual percentage weightings and target asset classes.
Indian Stock Return & Charges Estimator
Estimate NSE/BSE stock returns after STT, exchange charges, GST, SEBI fees, and stamp duty.
P/E Ratio Calculator
Calculate Price-to-Earnings valuation ratio and compare against sector averages.
Stock Split Calculator
Calculate new share quantity and adjusted stock price after forward or reverse stock splits.
Dividend Reinvestment (DRIP) Calculator
Calculate long-term compound portfolio growth when dividends are automatically reinvested into new shares.
Capital Gains Tax Estimator (STCG / LTCG)
Estimate Short-Term and Long-Term Capital Gains tax on stock sales with statutory Indian & global rates.
JSON Formatter & Validator
Format, validate, beautify, and minify raw JSON payloads with instant error line pointers.
JSON to CSV Converter
Convert structured JSON arrays of objects into clean, downloadable CSV tabular format.
CSV to JSON Converter
Convert CSV spreadsheets and data rows into structured, formatted JSON objects.
JWT Decoder (JSON Web Token)
Decode JSON Web Token headers and payloads with expiration status checking.
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 strings with UTF-8 and URL-safe options.
URL Encoder & Decoder
Encode special characters into percent-encoded URL format or decode encoded URLs.
UUID / GUID v4 Generator
Generate cryptographically random RFC 4122 compliant version-4 UUID identifiers in batches.
Secure Password Generator
Generate strong, cryptographically secure passwords with customizable character sets and lengths.
Cryptographic Hash Generator
Compute SHA-256, SHA-384, and SHA-512 cryptographic hashes using the Web Crypto API.
Regex Tester & Matcher
Test regular expressions against sample text with live match highlights and capture groups.
Text & Code Diff Checker
Compare two blocks of code or text to highlight added, removed, and modified lines side-by-side.
Number Base Converter (Binary, Hex, Decimal, Octal, ASCII)
Convert numbers simultaneously between Binary (Base 2), Octal (Base 8), Decimal (Base 10), Hexadecimal (Base 16), and ASCII.
Cron Expression Generator & Explainer
Build and translate standard 5-part cron schedules into human-readable English descriptions.
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds & milliseconds) to human dates (UTC & Local) and vice versa.
Meta Tag Generator & Preview
Generate HTML SEO title, description, canonical, robots, OpenGraph, and Twitter Card tags.
Robots.txt Generator
Create clean, search-engine compliant robots.txt files with custom user-agents and sitemap directives.
XML Sitemap Generator
Convert a list of URLs into a validated, standard XML sitemap for search console indexing.
SEO Slug Generator
Convert article titles and phrases into clean, URL-safe kebab-cased slugs with stop-word filters.
Google SERP Simulator & Preview
Preview how your webpage title and meta description will look in Google desktop and mobile search results.
Schema Markup Generator (JSON-LD)
Generate valid Schema.org JSON-LD structured data for Articles, FAQs, Organizations, and WebSites.
Keyword Density & Frequency Checker
Analyze single and multi-word phrase frequencies and detect keyword stuffing issues.
Word & Character Counter
Count words, characters, spaces, lines, paragraphs, and estimate reading/speaking times in real time.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.
Text Cleaner & Whitespace Remover
Remove duplicate spaces, empty lines, HTML tags, and trailing whitespace from raw text.
Remove Duplicate Lines
Deduplicate line-by-line lists with case-sensitivity and whitespace-trimming options.
Sort Lines (Alphabetical & Length)
Sort lists alphabetically (A-Z, Z-A), by line length, or randomize order.
Find and Replace Text Tool
Find and replace words, phrases, or regular expressions across multiline text.
Text Extractor (Emails, URLs, Numbers)
Extract all email addresses, website URLs, and numbers from unorganized text blocks.
Lorem Ipsum Placeholder Generator
Generate custom paragraphs, sentences, or word counts of standard mock placeholder copy.
Color Converter & WCAG Contrast Checker
Convert between HEX, RGB, HSL, and CMYK color models with real-time WCAG accessibility contrast ratios.
CSS Gradient Generator
Create linear and radial CSS gradients with customizable angle sliders and color stops.
CSS Box Shadow Generator
Design smooth CSS box shadows with live interactive preview and instant copyable CSS.
CSS Border Radius Generator
Generate custom CSS border-radius rules with individual corner control and visual preview.
QR Code SVG Generator
Generate high-resolution SVG and PNG QR codes from URLs and text locally in the browser.
HTML Entity Encoder & Decoder
Encode special characters into HTML entities or decode entities back to readable text.
URL & Query String Parser
Break down URLs into protocol, hostname, port, pathname, hash, and individual query parameters.
Browser Image Compressor
Compress JPEG, PNG, and WebP images directly in your browser with zero server uploads.
Image Resizer (Pixel & Percentage)
Resize image dimensions by width, height, or scale factor with aspect-ratio locking.
Image to WebP Converter
Convert PNG and JPEG images into lightweight modern WebP format for fast web performance.
Percentage Calculator
Calculate percentage of a number, percentage increase/decrease, and proportions.
Discount & Sale Price Calculator
Calculate final sale prices and total money saved from percentage discounts.
VAT & Sales Tax Calculator
Calculate Gross Amount, Net Amount, and Tax Amount from standard VAT and sales tax percentages.
Age & Date of Birth Calculator
Calculate exact age in years, months, days, total days lived, and countdown to next birthday.
Date Difference & Duration Calculator
Calculate the exact number of days, weeks, months, and years between any two calendar dates.
BMI Calculator (Body Mass Index)
Calculate Body Mass Index (BMI) using metric or imperial units with standard health category ranges.
Break-Even Calculator
Calculate unit volume and revenue needed to cover fixed and variable business costs.
100% Client-Side Privacy
Your financial inputs, JWT tokens, images, and JSON payloads are processed locally inside your web browser. Zero server data retention.
Instant Sub-Millisecond Speed
Pure mathematical algorithms execute without server round-trip latency, giving you instantaneous calculations and visual feedback.
Transparent Math & Logic
Every tool explicitly documents its mathematical formulas, assumptions, step-by-step logic, and working examples.