मुफ़्त और सुरक्षित ब्राउज़र टूल्स। गोपनीयता-केंद्रित • उपयोग के लिए मुफ़्त।
जहाँ समर्थित हो, टूल्स का डेटा आपके ब्राउज़र में ही प्रोसेस होता है और फ़ाइल सर्वर पर अपलोड नहीं होता।
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Drag & Drop ANY File here (PDF, JPG, HEIC, WebP, JSON, CSV) — our smart engine will auto-detect its type and suggest relevant tools!
NexVaani Tools (सभी टूल्स)
100% Free & PrivatePDF Compressor
Free, private browser-based PDF compressor. Reduce PDF file size toward a target KB or MB with zero file server uploads and no watermarks.
JPG to PDF Converter
Merge multiple JPG, PNG, and WebP images into a single clean PDF document offline in your browser.
PDF to JPG Converter
Extract every PDF page into high-resolution JPG images directly inside your browser.
PDF Page Extractor
Select, split, and extract specific pages from any PDF document into a new standalone PDF.
PDF Page Deleter
Delete unwanted, blank, or duplicate pages from any PDF document with 1-click visual selection.
PDF Page Rotator
Permanently rotate upside-down or sideways PDF pages 90, 180, or 270 degrees clockwise.
JPG Image Compressor
Compress JPG and JPEG photos toward 20KB, 50KB, 100KB, or custom target sizes with quality tuning.
Image Resizer
Resize image dimensions in pixels, percentage, or centimeters with aspect ratio locking.
HEIC to JPG Converter
Convert Apple iPhone .HEIC and .HEIF photos into standard high-quality JPG format offline.
WebP to JPG Converter
Convert modern Google .WebP images into universally compatible .JPG format offline.
Favicon Generator
Generate complete multi-size favicon packages (16x16, 32x32, 180x180, 512x512) and HTML code.
Percentage Calculator
Calculate percentages, percentage increase/decrease, and percentage differences with PDF summary reports.
Percentage Increase Calculator
Calculate percentage growth, salary increments, price markups, and relative decline with full formulas.
Discount Calculator
Calculate final sale prices, discount amounts, and savings with optional sales tax inclusion.
Loan EMI Calculator
Calculate monthly loan EMI payments, total interest payable, and full yearly amortization schedules.
Mortgage Calculator
Calculate monthly mortgage payments including principal, interest, property taxes, and home insurance.
ROI Calculator
Calculate Return on Investment (ROI), total net profit, and investment efficiency percentages.
Compound Interest Calculator
Calculate compound interest growth, future investment values, and monthly contribution yields.
Salary to Hourly Calculator
Convert annual salary to hourly wage, monthly pay, bi-weekly paychecks, and daily rates.
Sales Tax Calculator
Calculate total sales tax, final checkout prices, or reverse calculate pre-tax amounts from gross totals.
Margin & Markup Calculator
Calculate gross profit margin, markup percentage, cost of goods, and selling revenue prices.
Currency Converter
Convert global currencies with indicative exchange rates and instant conversion tables.
JSON Formatter & Validator
Format, validate, beautify, and inspect JSON data with syntax highlighting and tree view.
JSON Validator
Validate JSON syntax in real-time with line-by-line error messages and structure verification.
CSV to JSON Converter
Convert CSV spreadsheets and Excel data into formatted JSON arrays and nested objects offline.
Base64 Encoder & Decoder
Encode UTF-8 strings to Base64 or decode Base64 data into clean text with browser-based local processing.
Hash Generator (SHA-256, MD5)
Generate cryptographic hashes (SHA-256, SHA-512, SHA-1, MD5) directly inside your browser.
JWT Token Decoder
Decode and inspect JSON Web Tokens (JWT) headers, payloads, and claims offline in your browser.
Word & Character Counter
Analyze text statistics: word count, character count, sentences, paragraphs, and reading time.
Case Converter
Convert text case: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, and snake_case.
QR Code Generator
Create customizable high-resolution QR codes for websites, Wi-Fi networks, text, and vCards.
Meta Tag & Open Graph Generator
Generate complete HTML SEO meta tags, OpenGraph social cards, and Twitter Cards with live previews.
Aspect Ratio Calculator
Calculate missing width or height dimensions for images, videos, and UI mockups based on standard aspect ratios.
Profit Margin Calculator
Calculate gross profit margin, markup percentage, revenue, and net profit from unit cost and selling price.
Inflation Calculator
Calculate the erosion of purchasing power and future equivalent value of money based on inflation rates.
Tip & Bill Split Calculator
Calculate restaurant gratuity (15%, 18%, 20%, 25%) and split the total bill evenly among friends.
Fuel Cost Calculator
Calculate total gasoline expense, fuel consumption (liters/gallons), and per-passenger travel costs for road trips.
BMI Health Calculator
Calculate Body Mass Index (BMI) for adults with metric and imperial units, WHO weight categories, and ideal weight targets.
Time Duration Calculator
Calculate elapsed hours, minutes, and days between two times or calendar dates with work hours tracking.
Universal Unit Converter
Convert between metric and imperial units for length, weight, temperature, area, volume, speed, and digital storage.
Length & Distance Converter
Convert length and distance between centimeters, meters, kilometers, inches, feet, yards, and miles.
Weight & Mass Converter
Convert weight and mass between kilograms, grams, milligrams, pounds, ounces, stone, and metric tons.
Temperature Converter
Convert temperature scales between Celsius (°C), Fahrenheit (°F), and Kelvin (K) with instant formula walkthrough.
JSON to CSV Converter
Convert JSON arrays and nested objects into tabular CSV spreadsheet files for Excel and Google Sheets.
UUID / GUID Generator
Generate cryptographically random RFC 4122 Version 4 UUIDs and GUIDs individually or in bulk.
Text & Code Diff Checker
Compare two text snippets or code files side-by-side to highlight additions, deletions, and character modifications.
Regular Expression Tester
Test and debug JavaScript regular expressions in real time with syntax highlighting and match capture groups.
Color Picker & Palette Generator
Inspect, convert, and harmonize colors across HEX, RGB, HSL, and CMYK formats with WCAG contrast checker.
Lorem Ipsum Generator
Generate customizable placeholder Latin dummy text by paragraphs, sentences, words, or lists with HTML tags.
Duplicate Line Remover
Remove duplicate lines, trim whitespace, remove empty rows, and sort lists alphabetically in your browser.
HTML Minifier & Beautifier
Minify HTML markup by removing whitespace, comments, and line breaks to accelerate web page loading.
CSS Minifier
Minify CSS code by stripping whitespace, comments, and redundant semicolons to boost page speed.
JavaScript Minifier
Minify and compress JavaScript source code in your browser to reduce script payload sizes.
QR Code Scanner & Reader
Scan and decode QR codes instantly using your device webcam or by uploading image files.
Robots.txt Generator
Generate compliant robots.txt directives for Googlebot, Bingbot, and AI crawlers with custom crawl rules.
Open Graph Meta Tag Generator
Generate rich Open Graph and Twitter Card social meta tags with live social preview card.
Keyword Density Analyzer
Analyze word frequency, 1-word, 2-word, and 3-word keyword density percentages to prevent keyword stuffing.
Character Counter
Count characters with and without spaces, words, sentences, and paragraphs for social media character limits.
Secure Password Generator
Generate strong, high-entropy cryptographic passwords with custom length, symbols, and numbers locally using Web Crypto API.
Text Summarizer
Summarize long articles, essays, and reports into concise key takeaways using browser-based text extraction.
Markdown to HTML Converter
Convert GitHub Flavored Markdown (GFM) into clean HTML markup with live visual preview and 1-click copy.
Text & String Reverser
Reverse text character-by-character, word-by-word, or line-by-line with instant 1-click transformation.
Random Number Generator
Generate random numbers, rolls, and sequences between any min and max values using Web Crypto API.
My IP Address Checker
Check your public IPv4/IPv6 address, ISP, location, and browser connection details instantly.
Number Base Converter
Convert numbers across Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16).
HTML Entity Encoder & Decoder
Encode special characters into HTML entities and decode HTML entities back to raw text.
URL Encoder & Decoder
Encode strings into percent-encoded URL formats (encodeURIComponent) and decode percent-encoded URLs.
CSV Delimiter Converter
Change delimiters in CSV and spreadsheet files between Comma (,), Semicolon (;), Tab (\t), and Pipe (|).
PDF Merge & Combine
Combine multiple PDF documents into a single organized file with drag & drop page reordering and zero server upload.
SIP Investment Calculator
Calculate maturity wealth, invested capital, and compounding returns for monthly mutual fund SIPs with visual charts.
GST Tax Calculator
Calculate GST amounts (3%, 5%, 12%, 18%, 28%) with forward/reverse calculation and CGST/SGST breakdown.
Image to Text (OCR)
Extract text from photos, scanned receipts, book pages, and documents locally in your browser with zero server uploads.
PDF Password Protect
Encrypt PDF documents with strong AES passwords directly in your browser with zero server uploads.
PDF Page Organizer
Visually reorder, rotate, and delete PDF pages in an interactive grid with zero server uploads.
AI Background Remover
Remove image backgrounds and create transparent PNG cutouts locally in your browser with zero server uploads.
Barcode & QR Studio
Generate Code 128 retail barcodes and 2D QR matrix codes with custom SKUs and high-resolution PNG export.
AI Text to Speech
Convert text to natural speech audio in your browser using neural voice synthesis with pitch and rate modulation.
AI Chat Assistant
Chat with an in-browser AI assistant for coding solutions, document summaries, and calculations with zero server logging.
AI Image & DALL-E Studio
Generate ultra-detailed prompts for Midjourney v6, DALL-E 3, and Stable Diffusion with lighting and camera controls.
AI Content & Headline Writer
Generate high-CTR headlines, viral video hooks, blog outlines, and cold email copy in seconds.
AI Grammar & Readability Checker
Analyze spelling, grammar errors, wordiness, and Flesch readability grade in your browser with zero server uploads.
AI Code & SQL Generator
Generate clean TypeScript, JavaScript, Python, SQL, and HTML/CSS snippets for algorithms and web tasks.
AI Text Humanizer
Humanize ChatGPT and AI-generated text, remove robotic clichés, and enhance natural sentence flow with 100% in-browser privacy.
AI Resume Bullet Builder
Generate high-impact resume bullets using the Google XYZ formula with quantifiable metrics and action verbs.
AI YouTube Viral Script Studio
Generate high-retention YouTube scripts, 3-second opening hooks, and high-CTR thumbnail prompts for Shorts and full tutorials.
AI Viral Hashtag Studio
Generate targeted hashtag clusters and engaging captions for Instagram, TikTok, Twitter, and LinkedIn with zero server uploads.
AI Email Subject Line Tester
Generate high-converting email subject lines with simulated open rate potential and spam trigger avoidance.
AI Regex & Query Synthesizer
Generate regular expressions from plain English descriptions with live interactive test string matching in your browser.
Passport & Visa Photo Maker
Crop and align headshots for US, Indian, Schengen, and UK passport requirements with printable 6-photo sheets.
Digital Signature Generator
Draw digital signatures or generate stylish cursive calligraphy with transparent PNG download for PDFs and contracts.
Text to PDF Converter
Convert text notes, essays, and contracts into formatted vector PDF documents with custom margins and font controls.
Image Color Inverter & Grayscale
Invert image colors into dark negatives, convert photos to black and white grayscale, or apply vintage sepia.
PDF to Excel / CSV Extractor
Extract tables and tabular text from PDF documents into structured Excel CSV spreadsheets locally in your browser.
AI Paraphraser & Sentence Rewriter
Paraphrase essays, rewrite articles, and enhance sentence fluency in 4 writing styles with zero server uploads.
AI Social Bio Generator
Generate high-converting, aesthetic bios for Instagram, Twitter (𝕏), and LinkedIn with zero server uploads.
AI Cold Email & Pitch Generator
Generate personalized B2B cold email templates and sales pitches using AIDA and PAS frameworks.
AI Meeting Notes Summarizer
Extract executive summaries, key decisions, and assigned action item checklists from meeting transcripts.
AI Meta Description Generator
Generate high-CTR Google meta descriptions (150-160 chars) with live desktop & mobile SERP snippet preview.
Loan Prepayment Calculator
Calculate total interest saved and tenure reduction when making extra monthly or yearly lump sum loan prepayments.
JPG & PNG to WebP Converter
Convert JPG, PNG, and GIF images to modern Next-Gen WebP format with custom compression quality and 0 server uploads.
Scanned PDF OCR Text Extractor
Extract editable text from scanned PDF documents and books using WebAssembly Optical Character Recognition (OCR) with 0 server uploads.
Retirement & FIRE Corpus Calculator
Calculate target retirement nest egg and required monthly SIP investment adjusted for inflation and life expectancy.
Circular Image & Avatar Cropper
Crop photos into perfect circular avatars with custom stroke borders and transparent PNG backgrounds for WhatsApp and LinkedIn.
AI Job Cover Letter Generator
Generate compelling, tailored 3-paragraph job application cover letters customized for any job title, company, and skill set.
JSON to CSV & CSV to JSON Converter
Convert JSON arrays to tabular CSV spreadsheets and CSV files back to JSON with syntax validation and instant download.
Home Loan + SIP Recovery Calculator
Calculate how a small monthly SIP investment completely covers and recovers 100% of your home loan bank interest.