Tools starting with P

Package Install-Script Inspector

Inspect package.json lifecycle commands as inert text for network, file, shell, process, environment, and native-build review cues.

Package JSON Generator

Build a valid package.json with metadata, scripts, module type, exports, engines and license — validated against npm's naming and semver rules.

Package Version Checker

Check package versions quickly and compare updates instantly.

Packing List Generator

Build smart packing lists by trip type, duration, climate, travelers, carry-on rules, and bag weight.

Paddle Ball Arcade

Classic paddle-versus-paddle arcade game online — rally against the AI and score 7 points to win.

Paint Labour Cost Estimator India

Estimate painter labour charges per sqft by city tier, finish quality, putty work and ceiling height.

Paint Recoat Time Planner

Adjust touch-dry, recoat and hard-dry times for temperature and humidity, then schedule every coat by the clock.

Palindrome Checker

Check if a word, phrase, sentence, or number reads the same backwards as forwards, with character-matching highlights and clean visual gauges.

Panchayat Application Letter Builder

Generate application letters to a sarpanch or gram panchayat in the local format, with statutory deadlines and escalation worked out.

Paneer vs Tofu Comparator

Side-by-side protein, fat, calcium, iron and calorie comparison of paneer and tofu for any portion size.

Pangram Checker

Check if any sentence uses every letter of the alphabet at least once. Learn about pangrams and see missing letters highlighted.

Panic Breathing Pacer

Extended-exhale breathing pacer for acute anxiety: matches your current breathing rate, then slows it towards 6 breaths a minute.

Pantry Expiry Tracker

Track what is in your fridge, freezer and cupboard, see what expires first, and put a number on the food value at risk this week.

Paraphrasing Tool

Rewrite text instantly with improved clarity and readability.

Parent Progress Summary Builder

Turn a student's subject marks and attendance into a clear one-page progress summary with grade, strengths and focus areas.

Party Food Quantity Planner

Plan exact party food and drink quantities with real per-person portions, totals, and a ready shopping list.

Passing Marks Requirement Tool

Find the external exam marks you need to pass a subject, given your internal score and your university's pass percentages.

Passkey Readiness Tester

Review browser-flow configuration for passkey compatibility and fallback UX.

Passport & MRZ Masker

Cover passport MRZ, passport-number, face, or custom image regions locally, then export a flattened PNG or JPEG.

Password Generator

Generate random, highly secure passwords with advanced character controls, live strength scoring, and entropy estimates. Everything runs in your browser — nothing is stored.

Password Policy Tester

Check a password against typical banking, corporate, government and school portal rules before you submit it.

Password Reuse Self Audit Sheet

Map your accounts to password families in the browser to find reuse clusters and see which one to break first.

Password Strength Checker

Test password strength locally with entropy math, crack-time estimates, and pattern warnings — nothing leaves your browser.

Patch Test Timer

Work out the exact 48 and 96 hour patch test reading times from when you applied, and log each reading on the standard ICDRG scale.

Paternity Leave Planner

Plan split paternity leave blocks against your policy's day limit, minimum block size and the window around the birth date.

Payment Gateway Fee Calculator

Net settlement after a gateway's percentage, fixed fee, cross-border surcharge and tax — plus the amount to charge to net a target.

Payment Receipt Generator

Create numbered payment receipts with payer, payment mode, amount in words and the balance still due on the invoice.

Payroll Compliance Calendar India

Statutory due dates for PF, ESI, salary TDS and state professional tax for any wage month, plus late-deposit interest and Section 14B damages.

PBR Material Value Cheatsheet

Reference F0, albedo and roughness values for metals and dielectrics, with sRGB conversion and a base-colour validator.

PDF Active Content Inspector

Perform a bounded local lexical inspection for PDF JavaScript, actions, launch cues, attachments, forms, rich media, and external references without executing them.

PDF Annotation Tool

Annotate PDF files easily with highlights and notes.

PDF Compressor

Compress PDF files to reduce file size while maintaining quality.

PDF Digital Signature Validator

Inspect local PDF signature dictionaries, validate bounded ByteRange coverage, and hash the exact signed bytes without claiming certificate or CMS trust.

PDF Merger Tool

Merge multiple PDF files quickly into a single document.

PDF Page Reorder

Easily rearrange, reorder, or delete pages from your PDF documents.

PDF Password Remover

Remove passwords from protected PDF files instantly and 100% locally in your browser. No data is ever uploaded to any server.

PDF Previewer

Quickly view and inspect your PDF files directly in your browser without Adobe.

PDF Purifier Tool

Clean and optimize PDF files for secure sharing.

PDF Reading-Order Preview

Compare a local PDF text layer's extracted sequence with a bounded Y-then-X visual-order estimate for manual review.

PDF Set Password

Why this tool never encrypted PDFs — and the browser and desktop tools that genuinely do.

PDF Split Tool

Split PDFs by page, fixed batches, custom ranges, extraction, or page removal with browser-side ZIP/PDF export.

PDF Summarizer

Extract text from uploaded PDF files and generate clear, structured summaries with key points, keywords, and reading time estimates.

PDF to Base64

Convert a local PDF into a Base64 data URL in your browser, with the exact encoded size and a header check.

PDF to Image Converter

Convert PDF pages into PNG, JPG, or WebP images in your browser.

PDF to JPG

Convert PDF pages to JPG, PNG or WebP images at 72–300 DPI. Pick pages from thumbnails, set quality and download one image or all as a ZIP.

PDF to Word Converter

Convert text-based PDFs into editable Word DOCX files with page range, layout, preview, and export controls.

PDF Watermark

Add custom watermarks to PDF files quickly and securely.

Peak Traffic Headroom Calculator

Project peak request load for sale days and viral spikes, then size instances and headroom against a target utilization.

Pencil Grip Practice Sheet

Print pre-writing stroke patterns in the standard developmental order, sized in millimetres, with the grasp stage typical for the child's age.

Per Diem Allowance Calculator

Total a business trip's daily allowance by city tier, with part-day rates, lodging nights and provided-meal deductions.

Percent Error Calculator

Calculate percent error, absolute and relative error, percent difference and percent change with the formula worked step by step, plus multi-trial averages.

Percentage Calculator

Calculate percentages, percentage change, increase, decrease, and ratios instantly.

Percentage Change Calculator

Work out percentage increase, decrease, percentage difference, percentage of a number and percentage points in one place.

Percentage of Total Calculator

Find what percent one number is of another, plus reverse lookups for the missing part or the missing total.

Perfect Egg Timer

Time boiled eggs exactly how you like them, adjusted for egg size, fridge chill, and altitude.

Period & Cycle Tracker

Predict your next periods, fertile window, and ovulation day, and log past cycles for personalised accuracy.

Period Date Shift Planner

See how travel, exams or events line up against predicted period dates and how many days a clash would need to move.

Period Product Usage Estimator

Estimate pads, tampons or liners needed per cycle and per year from flow days, plus cost and a menstrual cup comparison.

Periodic Table Explorer

Interactive 118-element periodic table explorer with group filters, physical properties, electron configurations, and element applications.

Periodic Table Game

Test your chemistry knowledge with interactive periodic table quizzes. Practice element identification, symbol matching, and atomic number challenges across 3 difficulty levels.

Periodic Table Query Tool

Interactive periodic table explorer with live element search, filtering, comparison, favorites, and exports.

Perlin Noise Art Generator

Real-time procedural noise generator for terrains, clouds, textures, and generative art with animation and map export

Permanent PDF & Image Redactor

Cover sensitive areas and export a new rasterized PDF or PNG locally, without retaining selectable source text or original PDF objects.

Permutation & Combination Calculator

nPr and nCr for choosing r items from n.

Person In News Tracker

Track appointments and personalities in the news with role, organisation and date in a searchable exam-ready table.

Personal Crisis Safety Plan

Organize coping steps, trusted contacts and the actions you choose in advance.

Personal Data Export Auditor

Inventory JSON, CSV and TXT data exports locally, then map schema-only signals for location, contacts, messages, ads, searches, devices, identifiers and security data.

Personal Data Flow Mapper

Build a structured table of how personal data flows from collection through storage and processors to deletion.

Personal Incident Log

Maintain a timestamped private evidence log for incidents.

Personal Loan EMI Calculator

Personal loan EMI, total interest and true cost including processing fee, GST and the effective annual rate.

Pest Control Planner

Pick your pests and home size to get the right treatment method, service interval, 12-month schedule and cost with GST.

Pet Age Calculator (Dog & Cat Years)

See your dog or cat's age in human years with vet-style size-based math, life stages, and lifespan progress.

Pet Calming Sound Player

Play low-stimulation noise loops for anxious pets and size the level so fireworks are masked without unsafe volume.

Pet Health Records Vault

Organize vaccines, medicines, weight, and vet visits by pet.

Pet Name Generator

Generate unique, creative names instantly for your furry, feathery, or fuzzy friends.

Petty Cash Book Builder

Build an analytical imprest petty cash book with running balance, expense-head totals and the reimbursement due.

pH Scale Visualizer

Interactive logarithmic pH scale visualizer with hydronium ion concentration, common household substances, and buffer concepts.

Phantom Load Checklist

Tick off the always-on devices in your home and see the standby power they draw, what it costs a year and how much you can switch off.

Phishing Email Anatomy

See how bank OTP, KYC update, courier, tax refund, job offer, invoice, Apple ID, electricity bill and other phishing messages are built, red flag by red flag.

Phishing URL X-Ray

Expose punycode, deceptive subdomains, redirects, and lookalike-domain signals.

Photo Shoot Planner

Plan your photo shoots with themes, locations, shot lists, timeline blocks, and exportable schedules.

Photo to Sketch

Convert any photo into a realistic pencil sketch with adjustable intensity, zoom, before/after compare, and one-click download.

Photocopy Set Planner

Plan how many photocopy sets you need across application, verification and admission stages — with pages, spares and cost.

Photography Permission Checklist

Check where photos, drones and tripods are restricted before shooting, with EASA and FAA drone limits checked numerically.

PHP Beautifier Studio

A real-time, browser-based PHP formatting and beautification utility to clean and standardize your PHP code safely.

Pickup Line Generator

Generate smooth, cheesy, or funny pickup lines for any situation. Choose from categories like romantic, nerdy, or witty.

Picture Frame Miter Calculator

Miter saw angle, long and short point lengths and total moulding for rectangular or many-sided picture frames.

Pigmentation Analyzer

Analyze skin pigmentation with AI-powered tone analysis. Detect hyperpigmentation, dark spots, and uneven skin tone with detailed variation scoring.

Pillarbox Padding Calculator

Work out exact pillarbox or letterbox bar sizes, scaled video dimensions and the ffmpeg pad filter for any ratio inside any frame.

Pillion Load Checker

Check rider, pillion and luggage weight against your bike's gross vehicle weight, payload and rear tyre load index.

PIN Code Region Lookup

Look up the postal circle, state and district behind any six-digit Indian PIN code.

Pinned Comment Generator

Draft a pinned comment with links, timestamps, a correction note and a community prompt, checked against each platform's comment character limit.

Pirate Name Generator

Generate swashbuckling pirate names with ships, bounties, and mottos. Find your perfect pirate identity for adventures, games, and cosplay.

Pitch Percent BPM Calculator

Turn a turntable or CDJ pitch percentage into the resulting tempo, key shift and track length.

Pixar Style Generator

Generate Pixar-style 3D characters via free AI prompts, or upload your own photo/URL to apply local 3D claymation filters and glassy animated eyes.

Plank Hold Benchmark Tool

Time a front plank with the built-in stopwatch and compare the hold against an age-adjusted core endurance target.

Plant Scanner

Upload or take a photo of any plant to instantly identify it using advanced AI.

Plastic Reduction Tracker

Log the single-use plastic you avoid each week and see the weight, CO2e and money you save over a year.

Plate Tectonics Simulator

Interactive lithospheric plate boundary simulator with mantle convection currents, subduction zones, continental rifting, and volcanism.

Plug & Voltage Guide

Plug types, voltage and frequency for the UK, UAE, Australia, Japan, China, Italy, South Africa and Argentina, and whether your Indian chargers will work.

Podcast De-noiser & Echo Reducer

Reduce hiss, hum and room echo in a podcast recording.

Podcast Episode Cost Calculator

Add up editing, hosting, artwork and gear costs per podcast episode, then see cost per minute and the sponsor CPM you need to break even.

Podcast Episode Description Writer

Draft a podcast episode description from your notes, then check it against platform character limits, chapter rules and keyword placement.

Podcast Episode Length Planner

Budget fixed and flexible segments against a target runtime, with ad load, start timestamps and a word count for each block.

Podcast Episode Title Generator

Generate podcast episode titles from proven patterns and score each one on length, keyword position and truncation risk.

Podcast Guest Brief Builder

Build a podcast guest prep pack with a timed rundown, segment questions and a pre-record tech checklist.

Podcast Intro Outro Script Builder

Write consistent podcast intros and outros with per-section word counts and read-time estimates at your speaking rate.

Podcast Release Calendar Planner

Plan a podcast season: publish dates, edit and recording deadlines, batch sessions and mid-season break on one grid.

Podcast Show Notes Formatter

Turn rough episode notes into formatted show notes with normalised timestamps, a links list and YouTube chapter validation.

Poetry Prompt Generator

Generate poetry prompts from theme, form, mood, image, constraint and difficulty notes.

Poisoning Information Checklist

Gather every detail a poison centre asks for, get route-specific first aid, and build a ready-to-read call script.

Police Exam Answer Key Scorer

Score state police constable written exams from your marked responses, with each exam's marks-per-question and negative marking.

Poll Maker

Create interactive polls quickly and collect real-time responses.

Pomodoro Session Planner

Plan focus sessions and breaks that fit an available time window, with a full clock-time schedule.

Ponderal Index Calculator

Ponderal index divides weight by height cubed, so it stays fair for very tall or very short adults, plus a newborn mode.

Pool Laps to Distance Converter

Convert pool laps or lengths into metres, kilometres, yards and miles for any pool size, with pace per 100 m.

Portal Upload Spec Comparer

Compare photo and signature upload rules across exam portals and find one file size and format that satisfies all of them.

Portfolio Allocation Visualizer

Visualize and optimize your investment portfolio allocation with real-time analytics, risk indicators, and smart diversification insights.

Portfolio Drift Rebalancer

See how far your portfolio has drifted and get the exact buys and sells — or rebalance with fresh money and no tax.

Portfolio Maker

Create a beautiful, customizable online portfolio in minutes.

Portfolio Rebalancing Calculator

Exact buy and sell amounts to bring each holding back to its target allocation, with or without selling.

Position Size Calculator

Number of shares to buy based on your capital, risk per trade and stop loss distance, with capital and leverage limits applied.

Post Office MIS Calculator

Calculate the monthly income from a Post Office Monthly Income Scheme deposit, with single and joint account limits and total interest.

Post Office Recurring Deposit Calculator

Five-year National Savings Recurring Deposit maturity with quarterly compounding, default fees, advance rebate and premature closure.

Post Office Scheme Calculator

Compare maturity estimates across post office NSC, KVP and MIS savings schemes.

Post Office Time Deposit Calculator

Maturity value, annual interest payout and tax notes for 1, 2, 3 and 5 year Post Office Time Deposit accounts.

Post-Quantum Migration Inventory

Inventory observable RSA, elliptic-curve, DSA, Diffie-Hellman, TLS, and post-quantum algorithm references in pasted code, config, or certificate metadata.

Post-Workout Recovery Meal Planner

Protein, carbohydrate, fluid and sodium targets for the recovery window after training, with real food portions to hit them.

Poster Frame Size Matcher

Match artwork aspect ratio to standard ISO A-series, imperial and metric frame sizes with crop, mount border and print DPI figures.

Posting Schedule Planner

Plan, schedule, and preview social media posts with caption limits and metrics tracking.

Posture & Movement Reminder

Get nudged off your chair on a timer, with a guided movement break, posture self-check, and sit-stand cycles.

Posture Routine

Short posture routines for working on a sofa or in a cafe, using a standing desk, or sitting in a driver's seat.

Potluck Dish Assigner

Assign potluck dishes across guests, balancing courses and dietary constraints.

Potting Mix Ratio Calculator

Turn pot size into litres of soil, compost, cocopeat and perlite using proven mix ratios for pots, grow bags and troughs.

Power Nap Planner

Pick a nap length and alarm time that avoids sleep inertia, fits before your next commitment and protects tonight's sleep.

Power to Weight Ratio Calculator

Convert power and kerb weight into PS/tonne, kW/tonne and kg per PS, plus a physics-based 0-100 km/h estimate.

Power Tool Wattage Comparison

Compares running and starting watts for common power tools and checks whether your generator, inverter or battery bank can actually run them.

Powerlifting Total Tracker

Log squat, bench and deadlift bests over time and see your competition total, lift balance and bodyweight multiples.

PPF Calculator

Project your Public Provident Fund maturity with year-wise growth, loan and withdrawal limits, and tax-free returns.

Practical Exam Prep Checklist

Tick through records, apparatus, viva and exam-day items for a lab practical exam and see your readiness percentage per section.

Prayer Times & Qibla Direction

Get accurate daily prayer times and the Qibla bearing for any city, computed offline on your own device.

Pre Exam Breathing Routine

Guided box, 4-7-8 or extended-exhale breathing with a paced on-screen timer to steady nerves before entering the exam hall.

Precision Recall F1 Calculator

Enter a binary confusion matrix and get precision, recall, F1, F-beta, specificity, MCC and Cohen's kappa.

Pregnancy Belly Measurement Tracker

Log fundal height and belly circumference week by week, compare against McDonald's rule and see the growth trend.

Pregnancy Due Date Calculator

Estimate your due date from LMP, conception, or IVF transfer, with trimester dates, milestones, and weekly baby size.

Prescription Abbreviation Decoder

Decode BD, TDS, HS, PRN and other prescription shorthand, work out doses per day and total quantity, and spot unsafe abbreviations.

Preset Pack Readme Generator

Generate a complete README with real install steps, licence terms and support notes for a preset, LUT or brush pack you sell.

Pressure Cooker Time Converter

Convert cook times to pressure-cooker whistles and Instant-Pot minutes, with dal, rice, rajma and meat charts.

Presumptive Tax 44ADA Calculator

Work out 50% presumptive income under section 44ADA, test the Rs 75 lakh cash-receipts condition and see the tax due.

Price Evidence Locker

Save timestamped evidence of a product's price and the offer claims made about it.

Pricing Calculator Tool

Calculate product pricing quickly with accurate profit estimates.

Prime Factorization Calculator

Find the prime factorization of numbers up to 40 digits with a factor tree, exponent form, every divisor, a prime check, and GCF and LCM working.

Prime Number Checker

Check whether a number is prime and see its factors if it isn't.

Print Bleed Calculator

Work out bleed, trim, safe margin and slug sizes for any print job in mm, inches, points and pixels at your chosen DPI.

Print Size From Megapixels Calculator

Find the largest quality print an image supports at any PPI, in inches and centimetres, plus the megapixels a target print size needs.

Privacy Policy Generator

Generate professional GDPR/CCPA-ready privacy policies for websites, SaaS products, blogs, apps, and startups.

Privacy Policy Version Diff

Highlight the privacy changes that actually matter between two policy versions.

Privacy Settings Checklist

Scored privacy checklists for Android, iPhone, Windows, WhatsApp, Instagram, Facebook, Google, YouTube, TikTok, X, LinkedIn, Snapchat, Telegram, Discord and Reddit in one tool.

Privacy Starter Kit

A ready privacy plan for students, teachers, freelancers, remote workers, real estate agents and senior citizens, sorted by priority.

Private Bank Statement Analyzer

Map and analyse CSV bank-statement transactions locally with deterministic categories, aggregate summaries, and cautious review signals.

Private Document Chat

Ask local documents questions and receive deterministic matching excerpts with source citations—without a cloud model or upload.

Private Document Scanner & Cleanup

Crop, straighten, clean up, and export a document photo entirely in your browser without uploading it.

Probability Calculator

Work out and/or/not and conditional probability, at-least-once odds, binomial P(X = k) with a chart, and exact dice, coin and card probabilities.

Probability Distribution Fitter

Fit your dataset against common probability distributions and compare goodness of fit.

Probation And Bond Explainer

Understand probation periods and service bonds before accepting a post, and calculate what leaving early would cost.

Probation Confirmation Date Calculator

Work out the exact confirmation date from a joining date, probation length, extensions and days of leave without pay.

Probation Extension Letter Generator

Draft a probation extension letter with recorded reasons, a calculated revised end date and a booked review meeting.

Product Image Compare

Interactively compare two product images (e.g., Before/After or variations) side-by-side with a drag slider.

Product Listing Prompt Builder

Build AI prompts for Amazon, Etsy, Shopify and e-commerce product listings, product descriptions, real estate listings and restaurant menus with the right limits.

Product Pricing Calculator with Taxes

Set a selling price from unit cost, target margin, marketplace commission and tax, with charm rounding and a break-even count.

Product Recall Watchlist

Monitor official recall notices for the products you own.

Professional Tax Calculator

Find your state-wise monthly and annual professional tax deduction from current salary slabs across Indian states.

Profile Picture Background Changer

Change the background of your profile picture with AI-powered background removal and customizable backgrounds.

Profile Picture Maker

Create stunning profile pictures easily with custom styles.

Profile Picture Rating

Upload your profile picture to analyze lighting, composition, expression, and get actionable AI-powered feedback to optimize your social/professional presence.

Profit Margin and Markup Converter

Convert between gross margin and markup percentages and see the cost, selling price, profit and multiplier behind them.

Profit Margin Calculator

Gross margin, markup and profit from cost and selling price.

Proforma Invoice Generator

Build a proforma invoice with HS codes, Incoterms, freight and insurance, validity dates and the total spelled out in words.

Programming Terms Dictionary

Browse and search a comprehensive dictionary of programming terms, concepts, and jargon with clear definitions and examples.

Project Estimate Calculator

Estimate project cost and delivery timeline from task hours, hourly rate and a risk buffer.

Projectile Motion Simulator

Interactive physics simulator for projectile trajectories with real-time vectors, gravity presets, air resistance, and trajectory analytics.

Promotion Congratulations Generator

Write promotion and new-job congratulations in six languages, sized for LinkedIn, X, WhatsApp or SMS.

Prompt Painter

HTML Live Preview with Tailwind CSS and interactive code editing.

Prompt Text Cleaner

Clean AI prompts and ChatGPT output: convert Markdown to plain text, tidy Markdown, strip emoji, normalise whitespace and escape quotes for code.

Pronunciation Practice

Master English pronunciation with interactive speech recognition. Practice difficult words, tongue twisters, and common mispronunciations.

Pronunciation Syllable Splitter

Split English words into syllables and mark the stressed one using the standard suffix stress rules, for clearer speaking.

Property Registration Charge Estimator

Estimate stamp duty, registration fee, cess, scanning and franking charges on a property transfer, with the section 194-IA TDS check.

Property Stamp Duty & Registration Estimator

Estimate stamp duty, registration fees, and the full one-time cost of buying property across 23 Indian states and UTs.

Proportion Solver

Solve a/b = c/d for any missing value with full cross multiplication steps.

Proportionate Rent Calculator

Work out pro-rata rent for a part month on move-in or move-out, using actual days, a 30-day month or a 365-day year.

Protein Requirement Calculator

Work out your daily protein target in grams from body weight, activity level and training goal, with a per-meal breakdown.

Proxy Workflow Storage Calculator

Size the disk a project needs for camera originals, proxies, render previews, media cache and backup copies.

PSI to Bar Converter

Convert tyre and system pressure between psi, bar, kPa, kgf/cm2 and atm, with a cold-to-hot tyre temperature correction.

Puberty Stage Timeline Guide

Informational Tanner stage timeline showing typical age ranges for each pubertal change in girls and boys, with early and delayed flags.

PUC Renewal Planner

Plan pollution certificate renewal dates and yearly cost by vehicle category using the 12-month and 6-month PUC validity rule.

Puja Room Planner

Plan a puja room: shrine width, platform height for your idols, seating depth, ventilation and traditional direction notes.

Pulse Pressure Calculator

Calculate pulse pressure and assess cardiovascular health from blood pressure readings.

Purchase Order Generator

Build a printable purchase order with line items, GST, freight, delivery and payment terms.

Pushup Standard Benchmark

Rank your max push-up count against published age and sex fitness norms, and see how many reps reach the next band.

PX to REM Converter

Convert px to rem and rem to px with any base font size, browse an 8–96 px table, and convert a whole CSS file's pixel values to rem at once.

Pythagorean Name Numerology

Compute expression (destiny), soul urge and personality numbers from a name using the Pythagorean A=1 to Z=8 table, with master numbers kept.

Pythagorean Theorem Calculator

Find the hypotenuse or a missing leg with a² + b² = c², get the simplified radical and decimal, see steps, and check or generate Pythagorean triples.

Python Venv Setup Builder

Exact venv creation, activation and dependency commands for your OS, shell, Python version and package manager.