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Tools starting with N

60 free online tools on AltFTool start with N, listed alphabetically. Every one is free, needs no sign-up and runs in your browser.

  • Nakshatra Name Letter Chart

    All 27 nakshatras with the four pada naming syllables, degree span, rashi, navamsa and ruling planet in one searchable chart.

    Education & Science
  • Name Change Record Update Tracker

    Track which IDs, bank accounts and certificates still carry your old name, in the right dependency order with progress and next actions.

    Productivity
  • Name Compatibility

    Check the compatibility between two names with detailed love, friendship, and soulmate analysis.

    Lifestyle
  • Name Pronunciation Guide Builder

    Turn your name into a shareable pronunciation card with syllable breaks, a plain-English respelling, stress marking and NATO letter spelling.

    Text & Writing
  • Name Spelling Variant Explorer

    Generate every common Roman spelling of an Indian name from real transliteration rules, and check whether two spellings are the same name.

    Text & Writing
  • Name to Fingerspelling Graphic

    Turn any name into a printable fingerspelling strip using the one-handed ASL manual alphabet, with a handshape diagram and description per letter.

    Education & Science
  • Naming Convention Generator

    Generate consistent names for git branches and tags, feature flags, test cases, asset files, Kafka topics and Redis keys.

    Developer
  • NaNoWriMo Pace Calculator

    Check your word count against the 50,000-in-30-days par line and see the daily pace needed to finish on time.

    Text & Writing
  • Narration Session Time Estimator

    Estimate booth time from script length, including punch-and-roll retakes, vocal rest breaks and setup for each session.

    Calculators
  • Navy Body Fat Calculator

    Body fat percentage from neck, waist and hip tape measurements using the US Navy circumference equations.

    Health & Fitness
  • NCERT Chapter Tracker

    Track reading and revision status of every NCERT chapter, book by book and class by class, with progress percentages.

    Productivity
  • NCERT Reading Speed Planner

    Work out how many NCERT pages to read per day — with days off and a revision buffer — to finish before your target date.

    Productivity
  • ND Filter Exposure Calculator

    Convert a metered shutter speed into the filtered exposure for any ND strength, including stacked filters, optical density and bulb timing.

    Calculators
  • NDA Generator

    Create a non-disclosure agreement for a one-way disclosure, freelancer, beta tester, influencer campaign or interview candidate.

    Finance & Business
  • NDJSON to JSON Converter

    Convert newline-delimited JSON (NDJSON/JSON Lines) to a JSON array and back, with per-line error reporting.

    Converters
  • Neck Circumference Risk Checker

    Compare your neck measurement against published screening cut-offs for overweight, obesity and sleep apnoea risk, with an optional BMI cross-check.

    Health & Fitness
  • NEET OMR Practice Sheet

    Print a NEET-style OMR answer sheet with 200 or 180 question bubbles, Section A/B blocks and a roll number grid for timed practice.

    Education & Science
  • Negative Marking Calculator

    Calculate your score after negative marking for JEE Main, NEET, UPSC prelims, SSC and bank exams, and see how many guesses are worth the risk.

    Education & Science
  • Negative Split Planner

    Build first-half and second-half target paces for a negative split race, with a segment-by-segment split table.

    Health & Fitness
  • Neighbourhood Walkability Scorer

    Score any address 0-100 for walking access to shops, parks, schools and transit using the Walk Score distance-decay model.

    Lifestyle
  • Net Worth Calculator

    Track your total assets minus liabilities. Add properties, investments, cash, loans, and credit card debt for a complete financial picture.

    Finance & Business
  • Netlify TOML Generator

    Generate a netlify.toml with build settings, redirects, security headers, functions and edge function routes.

    Generators
  • Networking Basics Quiz

    Test your knowledge of computer networking fundamentals with interactive multiple-choice questions on protocols, models, devices, and addressing.

    Education & Science
  • Never Have I Ever

    Hundreds of unique prompts with category selection, difficulty filters, and random mode for the ultimate party game.

    Games
  • New Year Wishes Generator

    Ready-to-send Happy New Year wishes and messages in Hindi, Bengali, Marathi, Gujarati, Tamil, Telugu, Kannada, Malayalam, Punjabi, Urdu, Odia, Assamese, French, Spanish and Japanese.

    Generators
  • Newborn Feeding Volume Calculator

    Estimate a newborn's daily and per-feed millilitres from weight, day of life and feeds per day using standard mL/kg/day guidance.

    Health & Fitness
  • Newsletter Double Opt-In Copy Generator

    Write the signup line, confirmation email and welcome email for double opt-in, with subject-length checks and a consent audit log.

    Marketing & Social
  • Newsletter Header Image Planner

    Work out export size, retina dimensions, minimum readable text size on mobile and a file-weight budget for an email header image.

    Marketing & Social
  • Newsletter Open Rate Calculator

    Calculate open, click, click-to-open, bounce, unsubscribe and complaint rates on the correct denominators, with a privacy-proxy adjustment.

    Calculators
  • Newsletter Terms Generator

    Draft subscription terms for paid and free newsletter tiers, with withdrawal rights, renewal reminders and prorated refunds calculated.

    Finance & Business
  • Newsletter Unsubscribe Safety Guide

    Decide whether unsubscribing is safe or whether it just confirms your address, and see the date the sender must stop mailing.

    Security & Privacy
  • Nginx Cache Header Planner

    Plan Cache-Control and expires directives per asset type and copy a ready nginx location-block snippet.

    Developer
  • Nginx Log Format Builder

    Compose a custom nginx log_format from real variables, preview a sample log line and copy the directive.

    Developer
  • Nib Angle Practice Grid

    Generate printable broad-edge calligraphy guide sheets with pen-angle hatch marks, nib-width ladders and correct x-height for each hand.

    Education & Science
  • Nm to Ftlb Converter

    Convert torque between newton metres, foot-pounds, inch-pounds and kgf-m, with a torque wrench extension correction.

    Converters
  • No Claim Bonus Calculator

    NCB percentage and premium saved after consecutive claim-free years, with next-year slab, add-ons and GST on your motor renewal.

    Finance & Business
  • No Dues Certificate Generator

    Draft a no-dues certificate or NOC request and track the RBI 30-day document release deadline and delay compensation.

    Finance & Business
  • Noise Reduction Rating Calculator

    Turn an NRR or SNR label into an estimated protected level using the OSHA, OSHA 50% and NIOSH derating methods, including dual protection.

    Calculators
  • Nonogram Puzzle

    Solve nonogram picture-logic puzzles online free — 5x5, 10x10 and 15x15 grids with fill and mark modes.

    Games
  • Normalization Formula Explainer

    Walk through the SSC, Z-score, NTA percentile and min-max normalization formulas step by step with your own numbers.

    Education & Science
  • Note Frequency Chart

    Every note name, octave, MIDI number and frequency in equal temperament, with an adjustable A4 reference.

    Education & Science
  • NOTICE File Generator

    Generate an Apache-style NOTICE file with copyright line and attribution blocks from your dependency list.

    Generators
  • Notice Period Calculator

    Calculate notice period values quickly with a simple, structured workflow.

    Finance & Business
  • Notice to Vacate Date Calculator

    Work out the exact vacate and possession date from the notice length, the mode of service and the date of receipt.

    Calculators
  • Notification Alert Planner

    Plan reminder dates for the expected notification months of every exam you follow, sorted by urgency.

    Productivity
  • Novel Word Count Planner

    Turn a novel word target and deadline into a chapter-by-chapter schedule with a daily word goal and real writing-day counts.

    Text & Writing
  • npm pnpm yarn Comparison

    Compare npm, pnpm and Yarn on install strategy, disk usage, lockfiles, strictness and workspaces — with a weighted recommendation for your project.

    Developer
  • npm Scripts Builder

    Compose npm scripts with pre/post hooks, sequential and parallel combinations, and cross-platform safety checks for Windows shells.

    Generators
  • NPS 80CCD1B Extra Deduction Calculator

    Work out the extra Rs 50,000 NPS deduction under section 80CCD(1B), over and above the Rs 1.5 lakh 80CCE limit, and the tax it saves.

    Finance & Business
  • NPS Calculator

    Project your NPS corpus at 60, the pension your mandatory annuity buys, and the real tax you save.

    Finance & Business
  • NPS Tier 1 Corpus Calculator

    Estimate your NPS Tier 1 corpus at 60, the mandatory annuity share and the expected monthly pension.

    Finance & Business
  • NRE vs NRO Account Comparator

    Compare NRE and NRO deposits on tax, TDS and repatriation, with post-tax maturity value for the same interest rate.

    Education & Science
  • NuGet Package Reference Builder

    Build PackageReference items with version ranges, asset flags and Central Package Management, and see what each range really allows.

    Generators
  • Number Guessing Game

    Guess the secret number between 1 and 100. Get hints like higher or lower and try to beat your best score.

    Fun
  • Number System Conversions

    Convert numbers between binary, octal, decimal, hexadecimal, and base-36 with real-time precision, supporting large integers and Unicode.

    Developer
  • Number Table Generator

    Generate number tables, sequences, and patterns with customizable parameters.

    Calculators
  • Number to Roman Numeral

    Convert any number from 1 to 3999 into Roman numerals.

    Converters
  • Number to Words Converter

    Convert numbers into Indian or international words for cheques, invoices, and documents.

    Finance & Business
  • Nursery Rhyme Maker

    Create a simple child-friendly rhyme from a theme, character, rhythm and learning goal.

    Text & Writing
  • Nutrition Quality Score

    Calculate your daily nutrition quality score based on vegetable, fruit, protein, and hydration intake to get actionable dietary feedback.

    Health & Fitness