Tools starting with A

A/B Test Significance Calculator

Calculate the p-value and confidence level from your A/B test conversion data.

A4 Flyer Bleed Template

Generate A4, A5 and DL flyer artboards with correct bleed, safe margins, crop marks and fold panel positions.

AAC Phrase Board

Tap custom picture or text tiles to speak them aloud through your device.

Aadhaar Masking Tool

Mask Aadhaar numbers locally, validate 12-digit format, run checksum checks, and export privacy-safe masked lists.

Aadhaar Secure QR Verifier

Decode a supported Aadhaar QR code locally and show its signature status.

Absolute vs Annualised Return Converter

Convert a total gain percentage into an annualised (CAGR) rate and back again for any holding period in years, months or days.

AC Tonnage Calculator

Size your air conditioner correctly from room dimensions, sun exposure, and city climate, then estimate the monthly running cost.

Accent Wall Colour Suggester

Suggest accent wall shades that pair with your existing wall colour, with LRV, contrast and trim advice for each.

Accessible Authentication Auditor

Review pasted authentication HTML and observed flow behavior locally for cognitive, paste, autofill, timeout, and error-recovery accessibility risks.

Accessible Document Checker

Inspect PDF and modern Office documents locally for observable title, language, structure, table, and image-description accessibility cues.

Account Security Guide

Weighted security checklists for Netflix, Paytm and PhonePe accounts: devices, PINs, linked banks and phishing signs.

Achromatopsia Palette Simulator

See your palette with all colour removed and check every pair against the WCAG 3:1 and 4.5:1 contrast thresholds.

Acne Severity Analyzer

Analyze acne severity with AI-powered skin analysis. Detect blemishes, inflammation, and breakouts with detailed scoring and coverage metrics.

Acronym Generator

Create custom acronyms and abbreviations from any phrase, or generate phrase ideas from your acronym letters.

Acrostic Poem Builder

Turn any name, word, or phrase into a clean acrostic poem outline with line prompts and tone guidance.

ACT Composite Score Calculator

Average ACT section scores into the official 1-36 Composite with ACT's half-up rounding, for classic and enhanced 2025 formats.

Ad Banner Size Finder

Find the exact standard dimensions for ad banners across all major platforms.

Ad Copy A/B Planner

Plan an ad copy A/B test: write both variants against real platform character limits, then size the test and its run time with the two-proportion sample formula.

Ad Topic Profile Explainer

See what interest-based ad topics are, how each platform builds them, and get a per-platform reset checklist.

Address Change Checklist India

Every record to update after relocating in India — Aadhaar, voter roll, RC, bank KYC, utilities — with the statutory deadlines dated.

Adhesive Selector

Ranks glues and sealants for the two materials you are joining, checking gap fill, water exposure, movement, load and surface energy.

Adjustable Reading Reformatter

Tune font, spacing, line width and contrast to match your own reading preferences.

Adjusted-Winner Splitter

Divide shared assets fairly between two people using point allocation.

Admission Merit Calculator

Work out your merit score for B.Ed admission, diploma-to-B.Tech lateral entry and polytechnic admission from your marks and entrance score.

ADR Generator

Write an architecture decision record in the Nygard or MADR format with context, options, decision and consequences.

Advance Tax Installment Planner

Schedule your estimated advance tax across the applicable installment dates.

Advance Tax Interest 234B 234C Calculator

Interest payable under Sections 234B and 234C for shortfall and deferment of advance tax instalments.

Afterimage Generator

Experience retinal adaptation and complementary afterimages: pick a stimulus colour, stare at it, then see the complement the tool predicted.

Age & Gender Detector

Estimate age and gender from a photo, video or your camera — in your browser, with a stability range and photo quality check.

Age Calculator

Calculates age based on birthdate

Age Difference Calculator

Find the exact age gap between two people in years, months and days, plus total weeks and days.

Age in Days Calculator

See exactly how old you are in days, weeks, months and hours from your birth date.

Age On Cutoff Date Calculator

Compute your exact age in years, months and days on any exam cutoff date, and test it against minimum and maximum age limits.

Age Progression Generator

Upload your photo and use the target age slider to visualize your look, traits, and wellness projections in the future.

Agent Action Dry-Run Simulator

Preview proposed AI agent tool calls locally and flag likely side effects, irreversible actions, targets, and missing safeguards without executing anything.

Agent Audit Log Integrity Verifier

Check JSON or JSONL agent audit logs locally for structural continuity and optionally recompute an explicitly configured SHA-256 canonical hash chain.

Agent Guardrail Checklist

Score your AI agent's guardrails — permissions, spend caps, confirmation gates, injection defences — before you ship it.

Agent Memory Poisoning Inspector

Compare two AI-memory exports locally and flag newly added instruction overrides, identity changes, permissions, hidden controls, and persistence cues.

Agent Observability Checklist

Decide what to trace, measure, log and redact for a production LLM agent, with a readiness score and sampling plan.

Agent Permission Policy Builder

Build a local JSON allow-and-deny policy for agent tool names, paths, domains, recipients, numeric limits, and confirmation flags.

Agent Undo Plan Validator

Review an AI agent action plan locally for irreversible steps, external side effects, and missing backup, approval, checkpoint, or rollback details.

AI Academic Integrity Checklist

Check whether your AI use on an assignment matches typical institutional permission, disclosure and verification rules.

AI Adoption Readiness Quiz

Score your organisation's data, skills, process and governance readiness before rolling out AI, with a banded verdict and weakest-area callout.

AI API Cost Calculator

Estimate monthly AI costs for GPT, Claude and Gemini API usage, AI image generation, a customer chatbot, or paid AI seats for a team.

AI Art Style Reference Sheet

Build a reusable image-prompt style sheet across eight axes, with a coverage score, de-duplication and a CLIP token estimate.

AI Attribution Statement Builder

Build a citation-style attribution for AI assistance in APA 7, MLA 9 or Chicago format, plus an acknowledgement statement.

AI Certification Study Planner

Turn an AI certification's published domain weights into a week-by-week study plan with hours per topic and a readiness check against your exam date.

AI Companion Usage Reflection

A private worksheet that scores how AI chat fits your time, routines, boundaries and social life.

AI Consent Conversation Guide

Work out how much AI disclosure a piece of work needs and get a ready-to-send script for clients or colleagues.

AI Conversation Privacy Scanner

Scan pasted or exported AI conversations locally for personal data and secrets, then create a redacted transcript and counts-only report.

AI Disclosure Label Generator

Build platform-ready AI disclosure badges, captions, alt text and IPTC digital source type tags for images and video you publish.

AI Domain Generator

Generate AI Domains

AI ECG Report Analyzer

Analyze ECG parameters including heart rate, axis, intervals, segments, and rhythm with AI-powered interpretation and risk stratification.

AI Face Match

Upload two images to execute a face comparison and calculate their similarity index.

AI Fake Image Detector

Analyze images to detect AI-generated content, deepfakes, and manipulation artifacts.

AI Glossary Explorer

Searchable plain-English glossary of AI and machine learning terms, with examples, related terms and a self-test quiz.

AI Humanizer Checklist

Scan an AI draft for tell-tale phrasing and uniform sentences, then work a weighted checklist of edits that restore your own voice.

AI Image Licensing Checklist

Work through the usage-rights questions that matter before publishing AI-generated images commercially.

AI Incident Response Checklist

Generate a NIST-style response checklist for harmful, leaked or manipulated AI output incidents.

AI JD Analyzer

Analyse a job description offline: extract skills, score your match, check readability and gendered wording.

AI Learning Roadmap Builder

Build a week-by-week AI study path from prompting basics to fine-tuning, ordered by prerequisites and your hours per week.

AI Media Literacy Quiz

Practise spotting synthetic media and misleading AI claims, with scored questions on provenance, detectors and verification.

AI Medical Report Analyzer

Comprehensive medical report analysis with CBC, metabolic panel, liver function, thyroid, and coagulation interpretation with AI-powered risk assessment.

AI Memory Capsule

Create, analyze, and preserve your memories with AI-powered mood analysis, word insights, and emotional journey tracking.

AI Object Counter

Detect and count objects in images using TensorFlow.js COCO-SSD. Supports 80 COCO object categories with confidence scoring and visualization.

AI Passport Photo Maker

Crop a photo to official passport and visa sizes with published head-height guides, then lay out a print sheet.

AI Pilot Success Criteria Builder

Set measurable go/no-go criteria for an AI pilot and size the sample needed to detect the lift at 95% confidence.

AI Plagiarism Risk Worksheet

Assess how derivative an AI-assisted draft is and get a 0-100 risk score with the specific rewrites and citations needed.

AI Policy One Pager Generator

Assemble a single-page do and don't guide for staff AI use from a curated clause library — approved tools, data rules, review duty.

AI Policy Quiz

Test yourself or your team on acceptable AI use at work — 10 scenario questions with instant explanations and a readiness score.

AI Productivity Optimizer

Build a personalized focus plan from your role, energy patterns, goals, and common distractions.

AI Project Scoping Worksheet

Define the problem, users, data, success metric and fallback for an AI project before you build — with a completeness score.

AI Prompt Organizer

Organize, save, tag, and search your custom AI prompts with quick copy buttons and JSON backup options.

AI Prompt Pack by Profession

Ready-made ChatGPT and Claude prompt packs for accountants, teachers, students, HR, sales, marketers, developers, designers, founders, freelancers, real estate agents, clinics and more.

AI Quiz Generator

Generate interactive quizzes from any text using NLP — multiple choice, true/false, and fill-in-the-blank questions with instant grading and score tracking.

AI ROI Calculator

Compare AI tool subscription cost against hours saved and hourly rates to get monthly ROI, payback and break-even hours.

AI Scam Message Awareness Quiz

Judge realistic AI-written messages as scam or genuine and get scored on recall, false alarms and balanced accuracy.

AI Selfie Enhancer

Adjust brightness, contrast, saturation, and smoothing on your selfie with one-click presets, right in your browser.

AI Social Caption Detector

Scan a social caption for AI-style hooks, em dashes, emoji bullet patterns and hashtag padding, with a transparent signal score.

AI Spend Alert Planner

Project month-end AI spend from your run rate and set threshold alerts, owners and actions before the budget is gone.

AI Time Saved Calculator

Estimate weekly and annual hours saved by AI per task from measured before and after timings and weekly frequency.

AI Tone Rewrite Prompt Builder

Scores your text with Flesch Reading Ease, then builds a rewrite prompt targeting a chosen tone and reading level.

AI Training Plan Builder

Design a week-by-week internal AI upskilling plan by role and skill level, with module hours packed to your weekly time budget.

AI Usage Journal

Log every AI task, the model used and whether the answer shipped or had to be redone, then see first-pass rate and time saved.

AI Usage Log for Assignments

Record which AI tools helped with which parts of an assignment and export a clean usage log for submission.

AI Vendor Comparison Matrix

Score AI vendors on cost, control, support and compliance with a weighted decision matrix and get a ranked shortlist.

AI Vendor Due Diligence Checklist

Generate the questions to ask an AI vendor about data handling, training, subprocessors, security and exit.

AI Writing Tell Scanner

Highlight over-used AI phrases like delve, tapestry and testament in your draft, with a plainer replacement suggested for each.

Aim Trainer

Free aim trainer online — hit shrinking targets, track reaction time and accuracy, and raise your score.

Air Filter Change Planner

Set engine air filter and cabin AC filter change intervals from your dust exposure, driving pattern and kilometres run.

Air Fryer Time & Temp Converter

Convert any oven recipe to air fryer settings instantly, with food presets, flip reminders, and safe doneness temps.

Airport Arrival Time Calculator

Work out when to reach Delhi, Mumbai, Bengaluru, Chennai, Kolkata, Dubai, Doha, Singapore, Frankfurt or Amsterdam airport for your flight.

Airport Transfer Time Planner

Plan travel time to Delhi, Mumbai, Bengaluru, Chennai, Hyderabad, Pune, Kochi, Jaipur and Ahmedabad airports by cab, metro or train at different hours.

Alcohol Units & BAC Calculator

Count standard alcohol units from real drink sizes, track your week, and estimate blood alcohol with the Widmark formula.

Algebra Solver

Solve linear, quadratic, and system of equations step-by-step with detailed explanations and visual graphing.

Algorithm Visualizer

Watch common algorithms execute step by step with animated visualizations of Binary Search, Linear Search, Bubble Sort, and more.

Allen Key Size Finder

Matches metric and imperial hex key sizes, shows which swaps are safe and which round the socket, and prints a true-scale gauge.

Alliteration Word Finder

Find words that share a starting sound, not just a starting letter, and build alliterative lines from them.

Alloy vs Steel Wheel Comparison

Compare alloy and steel wheels on unsprung weight, price premium, fuel economy gain and payback period.

Alphabet Explorer

Browse writing systems from around the world — Latin, Greek, Cyrillic, Arabic, Hebrew, Devanagari, Japanese, Korean, Thai, Bengali, and more — with character names, pronunciation, Unicode values, and example words.

Alt Text Policy Generator

Generate an internal alt text policy with a rule per content type, WCAG references, character limits and a QA checklist.

Alt-Text Quality Assistant

Review an image's intended purpose, alt state, nearby text, and longer alternative with calibrated W3C-aligned writing cues.

Alternate Nostril Breathing Guide

Step-by-step nadi shodhana pacing: which nostril, which finger and how long, with ratio presets and round counting.

Ambiguous Figure Viewer

Watch classic bistable figures flip between two interpretations and measure your own dominance durations.

AMP Email Image Size Guide

Work out amp-img dimensions, retina source sizes and estimated file weight against the 200 KB AMP for Email limit.

Anagram Generator

Rearrange any word or phrase into multiple anagram variations. Perfect for wordplay, puzzles, and creative writing.

Analog Clock & Alarm

Real-time analog clock with alarms, world clocks, stopwatch, and countdown timer.

Analytics PII Checker

Detect personal data accidentally transmitted inside your analytics payloads.

Android Hardening Checklist

A weighted Android security checklist filtered to your Android version and threat profile, with patch-level freshness and a hardening score.

Anger Test

Test your anger issues

Animated QR File Beam

Split a small file into numbered QR frames, loop them on screen, and rebuild the file on another device from its camera — entirely offline.

Animated WebP/APNG Builder

Combine image frames into an optimized animated WebP or APNG with custom timing.

Anna University GPA Calculator

Compute your Anna University semester GPA from letter grades and course credits using the official Σ(Ci×GPi)/ΣCi formula.

Annual Financial Checklist Builder

Build a personalised year-end money checklist with real statutory deadlines, from tax-saving proofs to nominee updates.

ANSI Escape Code Reference & Log Decoder

Paste a log full of ESC[0;32m garbage and see it rendered, every escape sequence named, and a stripped plain-text copy — plus the full SGR, cursor, erase and OSC reference and a sequence builder.

Ansible Inventory File Builder

Build Ansible INI and YAML inventories with groups, children and host variables from one simple spec, validated as you type.

Ansible Vault Usage Planner

Classify which Ansible variables belong in Vault and generate the vars/vault split plus the exact ansible-vault command workflow.

Anxiety Check Questionnaire

A seven-item informational anxiety self-check scored 0-21, with severity bands and a dated log so you can track changes.

Apdex Score Calculator

Calculate an Apdex score from satisfied, tolerating and frustrated request counts, with the rating band and the fixes needed to reach a target.

Apgar Score Calculator

Score newborn appearance, pulse, grimace, activity and respiration at 1, 5 and 10 minutes for a total out of 10.

API Changelog Generator

Write a Keep a Changelog style API release note with Added, Changed, Deprecated, Removed and a SemVer version bump.

API Documentation Maker

API Documentation Maker helps you create documentation for your project.

API Endpoint Usage Mapper

Map API endpoint usage from logs, request records, cURL commands, or source code entirely in your browser.

API Rate Limit Header Designer

Design consistent rate limit headers and a 429 response — IETF RateLimit draft or legacy X-RateLimit style with an RFC 9457 body.

API Stress Estimator

Estimate the stress on your API under different traffic scenarios and configurations, using an M/M/c queueing model.

API TESTER

Build, send, and test API requests with ease.

API Versioning Strategy Chooser

Compare URL path, query parameter, custom header and media type API versioning — weighted scoring plus migration cost for each.

Apology Message Composer

Draft an apology using the six research-backed components, and catch non-apology phrasing like 'sorry if you were offended'.

App Finder

Search for mobile apps by name or category. Find the perfect app for your needs quickly and easily.

App Permission Audit

Audit the permissions of banking, social, dating, fitness, shopping, ride-hailing, food delivery, keyboard, kids game and other apps. Find what each type really needs.

Apple Health Export Explorer

Turn an Apple Health export into readable charts on your own device.

Apple Legacy Contact Setup Guide

Check Apple legacy contact eligibility, plan the access key handover and see what the 3-year access window covers.

Appliance Load-Shift Planner

Shift flexible appliance loads into your cheaper electricity tariff windows.

Appliance Power Usage Estimator

Estimate electricity consumption and monthly costs for your home appliances.

Appliance Size Selector

Find the right refrigerator, washing machine, geyser, ceiling fan, microwave or deep freezer size for your family and room.

Appliance Upgrade Payback Calculator

Work out simple payback, discounted payback and lifetime NPV of replacing an old appliance with an energy-efficient model.

Appliance Warranty Tracker

Track every appliance's purchase date, comprehensive and part warranty end, extended cover and AMC renewal — stored only in your browser.

Appliance Wise Electricity Cost Estimator

See which appliance is driving your electricity bill, from wattage and hours of use, with duty, fixed charges and carbon output.

Application Fee Calculator

Total your exam application fees across SSC, UPSC, RRB, IBPS, SBI and CTET with category concessions and refundable amounts applied.

APR-to-APY Converter

Convert a nominal APR into its effective APY based on the compounding frequency.

AQI Exercise Safety Advisor

Enter today's AQI to get an outdoor training verdict, the PM2.5 you would inhale and a safer session length.

AQI Live Dashboard

See the current air quality index with a pollutant-by-pollutant breakdown.

AQI Today

Live air quality board for 36 Indian cities, sorted worst first, with the dominant pollutant, all six CPCB sub-indices and each city's band and advisory.

Architecture Decision Helper

Answer a few questions to choose between git merge and rebase, submodule and subtree, monorepo and polyrepo, API keys and OAuth, edge and origin, pub/sub and queues, Poetry and pip, or the right semver bump.

Archive Safety Inspector

Preflight a local ZIP central directory for risky paths, symlinks, encryption, compression pressure, and suspicious file types without extracting anything.

Area Calculator

Calculate the area of 12 shapes — rectangle, triangle, circle, trapezoid, polygon and more — with a labelled diagram, steps and m², ft², acre or hectare units.

Art Style Prompt Explorer

Browse 16 art movements with their real hallmarks, blend up to three, and build an image prompt that fits the 75-token CLIP window.

ASCII Explorer

Explore the ASCII character table — convert text to ASCII codes and vice versa, browse the full 128-character table with binary, hex, and decimal values.

Ashtakoot Matching (36 Gunas)

Complete Ashta Koota Guna Milan — evaluates all 8 categories (Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakoot, Nadi) out of 36 gunas. Uses real planetary calculations.

Asian BMI Cutoff Calculator

Classify BMI against the lower WHO Asia-Pacific thresholds (overweight 23, obese 25) and compare with the standard WHO bands.

Aspect Ratio Calculator

Calculate simplified ratios and proportional dimensions for thumbnails, banners, and responsive layouts.

Assignment Word Count Planner

Split an assignment word budget across sections by weight and track how many words each section still needs.

Atal Pension Yojana Calculator

Find the exact APY monthly contribution for a ₹1,000–₹5,000 pension slab based on your joining age, plus total outgo and nominee corpus.

Athlete BMI Interpretation Tool

Test whether a high BMI is muscle or fat using body fat percentage, FFMI and waist-to-height ratio.

Attachment File Type Risk Explainer

Rates any email attachment by its file extension and explains double-extension and hidden-extension disguises.

Attendance Percentage Calculator

Check your attendance percentage and find exactly how many classes you must attend — or can safely skip.

Attendance Shortage Condonation Request

Work out your attendance percentage and shortfall, then draft a condonation request with grounds, evidence and a catch-up plan.

Attention Span Test

Measure your sustained attention and impulsivity with a scientific Continuous Performance Task (CPT).

Audio Bit Depth Size Calculator

Calculate uncompressed PCM/WAV file size and bitrate from sample rate, bit depth, channel count and duration.

Audio Converter

Convert audio between MP3, WAV, M4A, OGG, Opus and FLAC, or extract audio from video — batch queue, bitrate, trim and normalise, all in your browser.

Audio Deliverables Checklist Builder

Build a per-client audio delivery checklist with the exact format, sample rate and loudness target each destination requires.

Audio Edit Boundary Visualizer

Visualize a local audio waveform and screen for abrupt sample or DC-offset changes that may deserve manual edit-boundary review.

Audio File Size Calculator

Work out uncompressed audio file size and data rate from duration, sample rate, bit depth and channels, with codec comparisons.

Audio Note Duration Budgeter

Total up your voice memos and see the real review time at your playback speed, plus sessions, days to clear the backlog and file size.

Audio Pitch & Tempo Shifter

Shifts an audio file's pitch or tempo independently, without affecting the other.

Audio to Base64

Convert local audio files into Base64 data URLs.

Audio-Description Gap Finder

Find quiet timing candidates around dialogue for human audio-description planning, entirely in your browser.

Audio-Transcript Alignment Checker

Compare timed transcript cues with local audio activity and optionally diff them against a reference timed transcript.

Audio-Video Sync Meter

Calculate audio lead or lag in milliseconds from a flash or clap recording.

Audiobook Reading Rate Calculator

Turn a manuscript word count into finished audiobook hours, studio time, editing time and ACX-spec file size.

Aura Color Generator

Upload a photo and discover your fictional aura color with playful descriptions!

Aurora Visibility Forecast

Estimate possible aurora visibility from the Kp index and your location.

Author Bio Builder

Build a micro, short and long author bio in first or third person, with live word counts against platform limits.

Auto & Cab Fare Estimator

Estimate auto-rickshaw and cab fares in Delhi, Chennai, Jaipur and Nagpur with official base fares, per-km rates, night charges and waiting time.

Availability & Time-Zone Finder

Finds meeting windows that work across several schedules.

Avatar Generator

Generate unique AI-style avatars with custom colors, backgrounds, and facial features. Download as PNG or copy instantly.

Average Calculator

Paste any list of numbers to get the mean, median, mode, range, geometric and harmonic mean, quartiles and outliers, plus a weighted average.

Awards And Honours Tracker

Log awards, recipients, fields and years in a searchable, sortable exam-ready table you can export as CSV.

AWS IAM Policy Validator

Review pasted AWS IAM policy JSON locally for structural mistakes, broad Allow patterns, PassRole, and privilege-management risk cues.