250+ tools across 8 categories. SEO, developer, image, PDF, financial, health, math. No signup. No limits.
AI content, text utilities, fancy styles, Unicode, random generators
Words, characters, reading time
Placeholder text
UPPER, lower, camel, snake case
Text to ASCII art banners
Bold, italic, script styles
Small capital letters
Flip text upside down
Reverse string
Combine word lists
Cross out text
Unicode underlined
Glitchy corrupted text
Cursive Unicode styles
Circled letters
Squared Unicode
Fullwidth stretched
Classic word game
Hacker 1337 alphabet
Synonym paraphrasing
Char count + platform limits
Sentences, paragraphs
Bold first letters
Browser TTS voices
Random English words
Random sentences/paragraphs
Count word occurrences
Generate acronyms
Voice to text dictation
Social media hashtags
Creative usernames
Meta tags, schema, sitemap, domain audits
Title, OG, Twitter Cards
Keyword analysis
XML sitemap
Block AI scrapers
JSON-LD schemas
Facebook, LinkedIn preview
Google result preview
Viewport, tap targets
WHOIS-based age, registrar
Response headers, security
HTTPS validation
HTML weight
Trace 301, 302 chains
Prevent duplicate content
Multilingual SEO
Links with nofollow/sponsored
Ad performance metrics
Flesch-Kincaid score
Encoders, formatters, generators, ciphers, networking
Strong passwords
URL, WiFi, text QR
Beautify JSON
Encode/decode
Percent encoding
MD5, SHA256, 512
HEX, RGB, HSL
Random numbers
v4 UUIDs
SEO-friendly URLs
Live regex testing
Markdown editor
HTML/CSS/JS minify
Image โ Base64
Visual table builder
Beautify XML
Convert CSV
Export JSON
YAML syntax check
Decode JWTs
Compare two texts
Cron schedules
Your IP details
Text โ Morse
Binary representation
Decode binary
Luhn test cards
Test identities
IP geolocation
Browser notepad
APA, MLA, Chicago
Color conversions
Clean lists
A-Z, length sort
Regex find/replace
Clean newlines
Escape HTML entities
Rotation cipher
Shift cipher
Hebrew alphabet cipher
API signing
Password hashing
Crypto-secure strings
IPv4/IPv6 random
Beautify or minify CSS
Format SQL queries
Visual gradients
CSS box-shadow
Beautify HTML
Format JavaScript
IPv4 CIDR networking
Binary/octal/dec/hex
Mock placeholder images
Apache .htaccess rules
Generate JWT tokens
Compare two JSONs
Parse URL components
Cron to human-readable
Deterministic UUIDs
Compress, convert, edit, filters, collage
Compress JPG/PNG/WebP
Resize for social
Target file size
Convert iPhone HEIC
JPGโPNGโWebPโBMP
Aspect ratio crop
Negative colors
Black & white
Rotate/flip
Images โ PDF
Multi-size favicons
Colored frames
Top/bottom captions
2-color threshold
Horizontal/vertical
ASCII art conversion
Circular crop
Vintage border
Retro pixelation
Metadata + GPS
Vintage brown tone
Adjust exposure
Grid collages
Extract dominant colors
Loupe-style zoom
Image dimensions analysis
Merge, split, rotate, compress, extract
EMI, SIP, tax, India finance, retirement
Loan EMI
Mutual fund SIP
Add/remove GST
Live rates
PITI monthly
Bill splitting
Compound growth
SI formula
Sale price
Personal loans
India CTC
India tax slabs
Return on investment
Margin/markup
Annual growth rate
Corpus planning
Profit point
Ad revenue
Public Provident Fund
National Pension
Fixed Deposit
Recurring Deposit
House Rent tax
Future value
Weighted avg
Annual income %
LTCG/STCG
One-time investment
Employee PF
Girl child savings
Student loan EMI
CAGR analysis
Property registration
APY scheme
Life cover premium
Family floater premium
Min due trap visualization
Compare investment styles
BMI, BMR, calorie, women health, fitness
Body Mass Index
Basal Metabolic Rate
TDEE + goals
US Navy method
Daily water
LMP + 280 days
Cardio zones
Protein/carbs/fat
Multi-formula
Running pace
LBM formulas
90-min cycles
Fertility window
Health risk
Strength 1RM
Walking burn
Blood alcohol
Menstrual cycle
Week-by-week
Predict adult height
Lifetime expense
Total daily energy expenditure
Healthy gain by BMI
Calories burned per exercise
Scientific, converters, calculators, daily life
Exact age y/m/d
X% of Y
Days, weeks, months
m/cm/ft/in/mi
kg/g/lb/oz
ยฐC/ยฐF/K
km/h/mph/m/s
L/gal/cup
sq m/ft/acre
Global zones
1-3999
Lakh/crore + intl
Joules/cal/kWh
Watts/hp/BTU
Pa/bar/psi
Bytes/KB/MB/GB
HCF/LCM
axยฒ+bx+c=0
Mean/median/SD
Increase/decrease
Time math
Trig/log/exp
Add/sub/mult fractions
Decimal โ fraction
n! combinatorics
Any base
Joint/conditional
Haversine formula
25min work + breaks
Days to event
Lap times
Coin/dice/random
Trip fuel expense
Floor tiles estimation
Wall paint litres
Scale recipe servings
Cup/tbsp/ml
US/UK/EU/India
Band + cup sizes
Finger measurements
SSS, SAS, base+height
Area, circumference, radius
sin, cos, tan in degrees
Fraction โ percentage
E=mcยฒ calculator
No signup, no paywalls, no limits.
Tools run in your browser. Data stays local.
Works on phones, tablets, desktops.
Students, developers, business owners.
Welcome to MavexTech — the largest collection of free online tools and calculators built for everyone. Whether you're a student tackling math homework, a developer debugging code, a designer optimizing images, a small business owner managing finances, or simply someone who needs quick everyday calculations, our 250+ tools have you covered. Every tool is 100% free, requires no signup, runs entirely in your browser for privacy, and works on any device — phones, tablets, laptops, desktops.
We built MavexTech because the internet's best free tool sites either bombard you with ads, force registrations, limit usage, or split functionality across multiple paid tiers. MavexTech is different: no ads on tool pages, no signup walls, no usage limits, no upsells. Every tool works completely, instantly, every time. From SEO checks for your blog to BMI calculations for your health goals, from PDF merging to password generation, from currency conversion to scientific calculations — we have it all in one place.
No hidden charges. No premium tiers. No signup. No usage limits. Every single one of our 250+ tools is free for unlimited use. Built to serve students, professionals, and everyday users without barriers.
Our tools run entirely in your browser using JavaScript. Your data — passwords, images, PDFs, financial info — never touches our servers. Convert HEIC images, decode JWTs, hash passwords with total privacy.
No waiting for server processing. Tools load and run instantly in your browser. Compress images, format JSON, calculate EMI in milliseconds. No upload times, no queue delays, no rate limits.
Fully responsive design works perfectly on phones (Android, iPhone), tablets (iPad, Galaxy Tab), and desktops (Windows, Mac, Linux). All major browsers supported: Chrome, Firefox, Safari, Edge, Brave.
India-specific tools include GST calculator, EMI calculator (RBI rates), PPF, NPS, EPF, Income Tax (FY 2025-26), Sukanya Samriddhi, HRA calculator, stamp duty calculator (state-wise). Plus international tools.
All financial calculators use official RBI methodology. Health tools follow WHO/IOM/American Heart Association formulas. Currency converter uses real-time exchange rates. Math tools verified to 10+ decimal places.
Yes, absolutely. Every single tool on MavexTech is 100% free with no usage limits, no signup requirement, no premium tier, and no hidden charges. We do not have an upgrade path or paid plan. Our entire collection of 250+ tools is and will remain free for everyone.
No. There is no signup, no email verification, no account creation required. Just visit any tool URL and start using it instantly. Your usage is anonymous — we don't track individual users or store any personal data.
Yes. Most of our tools (especially image, PDF, password, and crypto tools) run entirely in your browser using JavaScript. Your files and data never leave your device or get uploaded to our servers. Some tools that require external APIs (like GEO IP lookup) use free public services and are clearly noted.
We have 250+ tools organized into 8 categories: AI & Text Tools (30 tools), SEO Tools (18), Developer Tools (59), Image Tools (26), PDF Tools (10), Financial Calculators (38), Health Calculators (24), Math & Unit Calculators (45). Popular tools include Word Counter, EMI Calculator, JSON Formatter, Image Compressor, PDF Merger, BMI Calculator, Password Generator, QR Code Generator, GST Calculator, PPF Calculator, and many more.
Yes. Our India-specific financial tools (GST, EMI, PPF, NPS, EPF, Income Tax, HRA, Sukanya Samriddhi, Capital Gains, Stamp Duty) follow official Government of India and RBI methodology. Tax slabs are updated for FY 2025-26. Interest rates reflect current PPF (7.1%), NPS, FD rates. Always verify with official sources for important financial decisions.
Yes, you can use any tool output for commercial projects. Whether you're a freelancer, agency, startup, or enterprise, all our calculator outputs, generated content, formatted code, and converted files can be used in your work without restriction or attribution required.
MavexTech offers 250+ tools (more than most competitors), with focus on India-specific financial calculators, faster page loads (under 100KB), modern dark mode UI, no advertisements on tool pages, and privacy-first browser-side processing. We're building the most comprehensive free tool collection that combines the breadth of SmallSEOTools, precision of Calculator.net, and modern UX of newer tool sites.
Yes. We're continuously adding new tools based on user requests and emerging needs. Our roadmap includes more developer utilities, advanced image editing tools, additional Indian financial calculators (Tax Saver FD, ULIP, ELSS comparators), language conversion tools, and multi-language support (Hindi, Spanish, Arabic, Indonesian, Portuguese coming soon).
๐ค AI & Text Tools (30 tools): Word counter, character counter, fancy text generator with 10+ Unicode styles (bold, italic, cursive, bubble, square, upside-down, zalgo glitch), ASCII art generator, lorem ipsum, text case converter, pig latin translator, leetspeak converter, bionic reading converter, text-to-speech, speech-to-text in 12+ languages, hashtag generator, username generator, random word/sentence generator, word frequency counter, acronym generator, and more.
๐ SEO Tools (18 tools): Meta tag generator, keyword density checker, XML sitemap generator, robots.txt generator, schema.org JSON-LD generator, Open Graph preview, Twitter card preview, SERP snippet preview, mobile-friendly test, domain age checker, HTTP headers checker, SSL certificate validator, page size checker, redirect chain tracer, canonical tag generator, hreflang tag generator, anchor text generator, CTR/CPC/CPM calculator, Flesch-Kincaid readability checker.
โ๏ธ Developer Tools (59 tools): Password generator, QR code generator, JSON/XML/SQL formatter, Base64/URL/HTML encoder-decoder, MD5/SHA-1/SHA-256/SHA-512 hash generator, color picker (HEX/RGB/HSL), random number/UUID generator, regex tester, JWT decoder/encoder, JSON diff, URL parser, cron parser, Morse code, binary converter, credit card generator (Luhn), fake name generator, GEO IP locator, ROT13/Caesar/Atbash ciphers, HMAC, bcrypt, subnet calculator, number base converter, CSS gradient/box-shadow generators, htaccess redirect builder.
๐ผ๏ธ Image Tools (26 tools): Image compressor (target file size), resizer, format converter (JPG/PNG/WebP/BMP/HEIC), crop, rotate, flip, grayscale, sepia, color inverter, brightness/contrast adjuster, pixelator, ASCII art converter, polaroid frame generator, profile picture maker (circular crop), photo collage maker (grid), color palette extractor, EXIF metadata viewer, image magnifier, image resolution checker, meme generator, favicon generator, border adder, watermark.
๐ PDF Tools (10 tools): Merge multiple PDFs, compress PDF (reduce file size), split PDF (extract pages), rotate PDF pages, PDF to JPG conversion, add page numbers, PDF watermark, PDF to text extraction, PDF page counter (bulk mode), extract images from PDF.
๐ฐ Financial Calculators (38 tools): EMI calculator (home/car/personal loans), SIP calculator with step-up, lumpsum calculator, mutual fund returns (CAGR), SIP vs Lumpsum comparison, PPF calculator, NPS calculator, FD calculator, RD calculator, GST calculator (CGST/SGST/IGST), HRA exemption calculator, Income Tax calculator (FY 2025-26 new + old regime), Salary calculator (CTC to in-hand), Stamp duty calculator (state-wise India), capital gains (LTCG/STCG), Sukanya Samriddhi, EPF, Atal Pension Yojana, Education Loan, Term insurance, Health insurance, Credit Card interest, Mortgage (PITI), Currency converter, Compound interest, Simple interest, Discount, ROI, Profit margin, Break-even, Retirement, Inflation, Stock average, Dividend yield, Adsense earnings.
๐ฅ Health Calculators (24 tools): BMI calculator, BMR calculator, TDEE (Total Daily Energy Expenditure), calorie calculator, macro calculator (protein/carbs/fat), body fat (US Navy), lean body mass, ideal weight (4 formulas), water intake, pace calculator (running), heart rate zones, sleep cycle calculator (90-min cycles), ovulation calculator, pregnancy due date, pregnancy week tracker, pregnancy weight gain, period calculator, child height predictor, waist-to-hip ratio, one-rep max (1RM), workout calorie burner, steps to calories, smoking cost calculator, BAC (blood alcohol estimate).
๐ข Math & Unit Calculators (45 tools): Scientific calculator, fraction calculator, decimal-to-fraction converter, factorial, logarithm (any base), probability (joint/conditional), trigonometry (degrees), triangle solver (SSS/SAS/base+height), circle (area/circumference/radius), age calculator, percentage, percentage change, days between dates, hours calculator, Roman numeral, number to words (Indian lakh/crore + international), GCD/LCM, quadratic equation solver, statistics (mean/median/SD), GPS distance (Haversine), E=mcยฒ mass-to-energy, all unit converters (length, weight, temperature, speed, volume, area, energy, power, pressure, data storage, time zone), Pomodoro timer, countdown timer, stopwatch, decision maker, fuel cost, tile/paint calculator, recipe scaler, cooking units, shoe/bra/ring size converters.