124+ Free Tools · CV Maker · ATS Score · AI Writing

India's #1 Free
Utility Platform.

BMI to Bigha. EMI to Resume. Health to Harvest.
All tools free, fast, no login required.

124+Tools Live

100%Free Forever

87K+Resumes Built

SSRSEO Ready

⚡ Explore All Tools 📄 Build Free Resume 📝 Read Blog

All Tools

124 tools available

BMI with Asian cutoffs, 4 ideal weight formulas, health score, body composition & weight timeline.

Calorie + BMR Calculator

Daily calorie needs using Mifflin-St Jeor formula.

Water Intake Calculator

Daily water intake based on weight, activity & India climate.

Sleep Calculator

Optimal bedtimes using 90-min sleep cycles for refreshed mornings.

Ideal Weight Calculator

Ideal weight using 4 formulas — Devine, Robinson, Miller & Hamwi.

Body Fat % Calculator Phase 2

US Navy formula & BMI method — fat mass, lean mass & ideal range.

Macro Calculator Phase 2

TDEE-based protein, carbs & fat targets — 5 diet styles, meal breakdown.

IF Timer Phase 2

Live intermittent fasting countdown — 16:8, 18:6, OMAD & streak tracker.

Loan EMI with pie chart, amortization & total interest breakdown.

SIP returns with year-wise growth chart projection.

GST inclusive/exclusive with CGST, SGST & IGST breakdown.

Compound Interest Calculator

CI with quarterly/monthly/yearly compounding + year-by-year table.

Fixed Deposit maturity amount — simple & compound interest.

PPF Calculator Phase 2

15-year PPF maturity at 7.1% — 80C tax savings & year-by-year table.

Salary Tax Calculator Phase 2

New Regime vs Old Regime 2025–26 — HRA, 80C, 80D, NPS comparison.

Loan Eligibility Checker Phase 2

Home, Car & Personal loan eligibility — FOIR, CIBIL, bank-wise rates.

Inflation Calculator Phase 2

Future cost, purchasing power loss, salary erosion & real returns vs CPI.

NPS Calculator Phase 2

NPS corpus, monthly pension, lump sum & ₹2L tax saving (80C + 80CCD1B).

CAGR Calculator Phase 2

Compound Annual Growth Rate — 3 modes + Nifty/PPF/FD benchmark comparison.

Stock Profit / Loss Calculator Phase 2

Net P&L with STT, LTCG 12.5%, STCG 20% — Budget 2024 tax rates.

Brokerage Calculator Phase 2

Compare Zerodha, Angel One, Upstox, Groww — all charges for delivery/intraday/F&O.

SIP vs Lumpsum Phase 2

SIP vs Lumpsum comparison — rupee cost averaging, year-wise wealth table, when to choose which.

FII / DII Flow Tracker Phase 2

Track FII & DII net flows — market sentiment indicator with day-wise data & visual bars.

Options P&L Calculator Phase 2

Call & Put options payoff — breakeven, max profit/loss, payoff table, Greeks approximation.

Format, validate & minify JSON with syntax highlighting.

JSON Compare Phase 2

Compare two JSON objects side-by-side. Spot added, removed & changed keys instantly.

JSON to TypeScript Phase 2

Convert JSON to TypeScript interfaces automatically. Handles nested objects & arrays.

JSON to CSV Phase 2

Convert JSON array to CSV format. Download as .csv file instantly.

JSON to YAML Phase 2

Convert JSON to YAML and YAML to JSON. Clean output, copy in one click.

Decode JWT tokens — header, payload, claims, expiry countdown & security warnings.

Base64 Encoder/Decoder

Encode & decode Base64 online. Text, image, file — URL-safe mode, auto-detect, live image preview.

URL Encode/Decode

URL encode & decode online. encodeURIComponent · encodeURI · RFC 3986 — query params table, URL builder, batch mode, diff view.

MD5, SHA-1, SHA-256, SHA-512 simultaneously. HMAC mode, file hashing, compare, batch.

Land Area Converter

Vigha → Aekar (Acre) → Bigha → Guntha → Hectare. Gujarat state default. 7/12 Satbara format, multi-plot total, land price calculator.

Crop Yield Calculator

15 Gujarat crops yield calculator. Vigha input → kg/quintal/ton. MSP 2025, district-wise yield, profit/loss, PMFBY insurance, 3-season history.

Fertilizer Calculator

14 Gujarat crops NPK dose calculator. Vigha → kg fertilizer + bags + cost. Soil type adjustment, soil test, split schedule, brand compare, deficiency guide, organic.

Crop Yield Calculator ગુ

Crop yield per acre for major Indian crops — Gujarat tool.

Fertilizer Calculator ગુ

NPK fertilizer per acre for major crops — Urea, SSP, MOP.

Cattle Weight Calculator ગુPhase 2

Gir & Kankrej cattle weight by girth & length. Gujarat breed-specific.

Milk Production Income ગુPhase 2

Daily milk income from buffalo/cow. Rate × litres = daily income.

Irrigation Cost Calculator ગુPhase 2

Drip vs flood vs sprinkler water cost per acre comparison.

Crop Profit Calculator ગુPhase 2

Crop income vs expenses — net profit/loss per acre with MSP comparison.

Seed Requirement Calculator ગુPhase 2

Seed quantity, germination buffer, packets needed & total seed cost per acre.

MSP Calculator 2024-25 ગુPhase 2

MSP 2024-25 for all Kharif & Rabi crops. Compare income at MSP vs market rate.

Length, Weight, Temperature, Volume, Area, Speed — 50+ units.

Real-time words, characters, sentences, paragraphs & reading time.

Currency Converter

Live currency exchange rates with 7-day trend chart, bulk conversion & JSON export.

Live Unix counter · Unix ↔ Human · IST/UTC · Batch convert · Timestamp diff · 12 formats.

Convert cURL to fetch, axios, Python, Go, PHP, Ruby, HTTPie & Postman. 10 samples, pretty print, share URL.

Dockerfile Generator

Visual Dockerfile builder. Multi-stage, ENV vars, healthcheck, linter, .dockerignore & AI explain.

Box Shadow Generator

Multi-layer box shadows. Neon, Neumorphic, Soft presets. Tailwind, CSS variable output. Live preview on card/button/circle.

HEX/RGB/HSL/OKLCH/HWB all formats. Shades, tints, palette, harmony, gradient, WCAG contrast. Image color picker.

Meta Tag Generator

SEO + OG + Twitter Card meta tags. Live Google SERP, Facebook, Twitter, WhatsApp previews. Character counters, 6 presets.

Visual cron builder + raw editor. Human text, next 20 runs, 24h timeline, code export for 5 platforms.

Number System Converter Phase 2

Binary · Octal · Decimal · Hex · IEEE 754 · Bitwise Ops · Two's Complement · Endianness.

Image Compressor Phase 2

Compress JPG, PNG, WebP without quality loss. Drag & drop, bulk support.

Image Resizer Phase 2

Resize images to exact pixels or percentage. Maintain aspect ratio.

Image Format Converter Phase 2

Convert PNG to JPG, WebP to PNG, JPG to WebP & more. Browser-side, instant.

Background Remover Phase 2

Remove image background automatically. AI-powered, 100% browser-side.

Image to Base64 Phase 2

Convert image to Base64 string for CSS, HTML & API use. Instant.

Social Media Image Cropper Phase 2

Crop & resize images for Instagram, Facebook, Twitter, YouTube — preset sizes.

Image Watermark Adder Phase 2

Add text or image watermark. Control opacity, position & font. Browser-side.

Image Flip & Rotate Phase 2

Flip horizontal/vertical, rotate 90°/180°/270° or custom angle.

EXIF Data Reader Phase 2

Read hidden EXIF metadata from photos — camera, GPS, date, settings.

Image Color Picker Phase 2

Pick any color from an image. Get HEX, RGB, HSL values instantly.

PDF Compressor Phase 2

Compress PDF file size without losing quality. 100% browser-side.

PDF Merger Phase 2

Merge multiple PDF files into one. Drag to reorder. Browser-side.

PDF Splitter Phase 2

Split PDF into individual pages or custom page ranges.

PDF to Image Phase 2

Convert PDF pages to JPG or PNG images. Select page range.

Image to PDF Phase 2

Convert JPG, PNG images to PDF. Multiple images, custom page size.

PDF Page Remover Phase 2

Remove specific pages from PDF. Preview before delete.

PDF Watermark Phase 2

Add text watermark to all PDF pages. Custom opacity & position.

PDF Page Rotator Phase 2

Rotate PDF pages 90°/180°/270°. Rotate all or selected pages.

PDF to Text Phase 2

Extract all text content from PDF. Copy or download as .txt file.

PDF Word Counter Phase 2

Count words, characters, pages in any PDF file instantly.

Social Media Resizer Phase 2

Resize images for Instagram, Facebook, Twitter, YouTube, LinkedIn — all presets.

Hashtag Generator Phase 2

Generate trending hashtags for Instagram, Twitter & LinkedIn from keywords.

Social Media Character Counter Phase 2

Live character counter for Twitter/X, Instagram, Facebook, LinkedIn & YouTube.

Bio Generator Phase 2

Generate catchy Instagram, Twitter & LinkedIn bios from keywords.

Engagement Rate Calculator Phase 2

Calculate Instagram, YouTube & TikTok engagement rate instantly.

YouTube Thumbnail Downloader Phase 2

Download YouTube video thumbnail in HD, HQ, SD quality. Paste URL instantly.

Best Time to Post Calculator Phase 2

Find best time to post on Instagram, Facebook, Twitter by timezone & audience.

Caption Ideas Generator Phase 2

Generate creative Instagram & Facebook captions by mood, topic & tone.

Username Generator Phase 2

Generate unique usernames for Instagram, Twitter, YouTube from keywords.

OG Preview Tool Phase 2

Preview how your link looks on WhatsApp, Facebook, Twitter when shared.

Audio Trimmer Phase 2

Trim MP3, WAV audio online. Select start/end points with waveform preview.

BPM Detector Phase 2

Detect BPM (beats per minute) from any audio file. Tap BPM mode also available.

Audio Visualizer Phase 2

Visualize audio waveform & frequency spectrum. Upload MP3, WAV, OGG.

Ringtone Maker Phase 2

Cut any MP3 into a ringtone (30–40 sec). Fade in/out, download instantly.

Audio Metadata Reader Phase 2

Read ID3 tags, bitrate, duration, sample rate from any audio file.

Volume Level Checker Phase 2

Check peak volume, RMS level of audio file. Loudness analysis.

Silence Detector Phase 2

Detect and mark silent parts in audio. Perfect for podcast editing.

Pitch & Frequency Analyzer Phase 2

Analyze pitch frequency in Hz, detect musical notes from audio.

Audio Speed Changer Phase 2

Change playback speed of audio 0.5x to 2x without pitch change.

Audio Reverb & Echo Phase 2

Add reverb, echo or delay effects to any audio file. Real-time preview.

YouTube Thumbnail Extractor Phase 2

Extract & download YouTube video thumbnails in Max HD, HQ, SD quality.

Video to GIF Phase 2

Convert short video clips to GIF. Control FPS, size, loop. Browser-side.

Video Frame Extractor Phase 2

Extract frames from video as PNG/JPG. Select specific timestamps.

Video Metadata Reader Phase 2

Read video metadata — resolution, fps, codec, duration, bitrate.

Video Compressor Phase 2

Compress video file size in browser. Reduce MP4 size for WhatsApp & upload.

Video Trimmer Phase 2

Trim video clips online. Cut start/end points with frame preview.

Video Screenshot Tool Phase 2

Take screenshots from any video at exact timestamp. Bulk frame capture.

Video Loop & Info Phase 2

Loop video, check specs — resolution, aspect ratio, FPS, file size.

Video Aspect Ratio Calculator Phase 2

Calculate video aspect ratio — 16:9, 4:3, 1:1, 9:16. Get pixel dimensions.

Video Subtitle Extractor Phase 2

Extract embedded subtitles/captions from video files as SRT or TXT.

AES Encrypt / Decrypt

AES-128/192/256 encryption with GCM, CBC, CTR modes. PBKDF2 key derivation. 100% browser-side.

HMAC Generator Phase 2

HMAC-SHA256, SHA-512 signatures. Webhook verify, API auth, batch, code snippets.

Bcrypt Generator Phase 2

Hash & verify passwords with bcrypt. Cost 8-18, strength meter, benchmark, batch.

Test regex live with match highlights, groups, replace mode, unit tests, AI explanation.

Code Diff Checker

Side-by-side diff with char-level highlight, AI summary, merge mode, git export, timeline.

Code Diff Checker

Side-by-side diff · Char-level · AI summary · Merge · Timeline · Git export

Beautify, validate & preview HTML. Accessibility audit, SEO check, HTML→JSX/React/Vue.

Format, minify & validate SQL. Auto-detect dialect, AI explain & optimize, code snippet generator.

HTML → Markdown

Convert HTML to clean Markdown. Tables, code blocks, GitHub flavored.

Lorem Ipsum Generator

Generate placeholder text. Paragraphs, sentences, words or bytes. HTML, Markdown, JSON output.

Generate SEO-friendly URL slugs. Stop word removal, SEO score, bulk mode, AI suggestions.

Generate v1, v4, v6, v7 UUIDs in bulk. Validate, inspect & decode any UUID version. Export as JSON, CSV, SQL, TypeScript.

Password Generator

Generate strong passwords, passphrases, diceware & PINs with entropy analysis.

Parse any URL into protocol, host, path, query params, and fragment — live breakdown, encoder/decoder, cURL generator and diff.

.gitignore Generator

Generate .gitignore files for 50+ stacks — Node, Python, React, Go, Docker and more.

QR Code Generator

Generate QR codes for URL, WiFi, UPI Payment, vCard, Email, SMS, WhatsApp, GPS. Logo embed, SVG export, batch generate, decode.

README Generator

Generate professional GitHub README.md with live preview. 7 templates, badge builder, tech stack, GitHub stats, lint warnings.

Linear, radial & conic gradients. Angle wheel, 12 presets, Tailwind, animated CSS, CSS variable, export PNG.

HTTP Status Reference

All HTTP status codes with descriptions, use-cases, code snippets, live cURL tester, and favorites. Search, filter, copy as TypeScript enum.

📝 Knowledge Hub

Latest from CalcNation Blog

In-depth guides on Finance, Health, Farming — written for India

All Articles →

GST Calculator India 2025 — How to Calculate GST on Any Product

GST Slab Rates India 2025 — Complete List: 0%, 5%, 12%, 18%, 28%

EMI Calculator for Home Loan 2025 — Formula, How to Use, Tips

Home Loan vs Rent in India 2025 — Which is Better for You?

SIP Calculator India 2025 — How Much to Invest for Your Goal?

SIP vs Lump Sum Investment India — Which Gives More Returns in 2025?

Why choose us

CalcNation Advantages 🏆

🏆

No Direct Competitor

India ma koi ek platform nathi je Health + Finance + Farming + Dev — sab cover kare.

🌾

Gujarati Language Edge

Farming tools Gujarati ma — ZERO competition, high search volume from Gujarat.

⚡

Lightning Fast SSR

Angular SSR + Cloudflare CDN = < 2 second page load. Core Web Vitals 90+ score.

🔍

SEO-First Architecture

Angular Universal SSR + JSON-LD + canonical URLs = Google Page 1 ranking.

📱

Mobile-First India

75%+ Indian users mobile par — touch-friendly UI, PWA installable.

🔒

Zero Data Collection

All calculations happen client-side. No user data stored. No login required.