Browse by Site

pdfsstudio.com

Free online PDF toolkit for merging, splitting, compressing, converting, and organizing documents.

pdftechno.com

Free suite of PDF tools for file conversion, compression, signatures, protection, and text extraction.

pdfforfree.in

Browser-based collection of 52 PDF, image, OCR and business-document tools with local processing.

pdf24.org

PDF24 is a genuinely free PDF toolbox with 25+ tools for merging, splitting, compressing, converting, signing, redacting, and OCR — all running with no file size limits or signup required.

pngtofavicon.com

Free browser-based favicon generator that converts images to complete favicon packages with no server uploads.

poemapregex.com

Free browser generator for building and validating Path of Exile map modifier regex filters.

pagespeed.web.dev

PageSpeed Insights from Google measures real-world performance of a web page on mobile and desktop, with Core Web Vitals scores and optimisation suggestions.

palworld-breeding-calculator.online

Free calculator for finding Palworld breeding combinations and offspring.

pampers.com

Pampers.com hosts useful tools for parents, including a Baby Percentile Calculator to help track growth and development.

parentcalc.com

ParentCalc.com hosts a Baby Formula Calculator to help parents determine the right amount of formula for their baby based on weight and feeding frequency.

particlelife.app

Interactive 2D particle simulator demonstrating physics-based behaviors and emergent patterns.

passaustraliancitizenship.com.au

Free Australian citizenship test preparation with practice questions, mock exams, and study guides in 13 languages.

passwordseguro.com

Free secure password generator that creates random passwords locally in your browser.

pawrise.nanocorp.app

Pet care scheduling and planning tools for dog walkers and pet sitters.

payscale.com

PayScale offers salary reports to help people understand earning potential and market pay. ([payscale.com](https://www.payscale.com/salary?utm_source=openai))

pearson.com

Pearson.com hosts a variety of educational calculators, including the Beer-Lambert Law Calculator, Atom Economy Calculator, Average Atomic Mass Calculator, and Avogadro's Number Calculator, designed to assist with scientific calculations.

pedalscience.com

Pedal Science is a website dedicated to helping cyclists improve their performance with various tools. Their Bike Speed Calculator allows users to input their cadence and wheel size to determine their speed in miles per hour, aiding in training and racing preparation.

peditools.org

PediTools is peditools.org hosts a collection of essential health and wellness tools for parents, including a Baby Percentile Calculator to help monitor your child's growth.

pelletpath.com

Pellet Path is a resource for shooting enthusiasts, offering tools like the Ballistic Coefficient Calculator to help users improve their accuracy and performance in pellet shooting.

photostampmaker.com

Free browser-based tool to transform photos into vintage rubber-stamp PNGs with customizable colors and effects.

phuoc.us

Phuoc's Portfolio Visualizer is a site hosting an Asset Allocation Calculator & Visualizer to help users optimize their investment portfolios.

piday.org

Pi Day hosts a focused collection of 20+ math calculators centred around geometry, financial math, and academic grading — a mix of high-school and college-level reference tools.

picsart.com

Picsart.com hosts a variety of image and graphic editing tools, including a Banner Size Calculator to help users determine optimal dimensions for their designs.

pictorhinestone.com

Free rhinestone pattern generator that transforms images into crystal designs for apparel.

pigly.com

Pigly.com hosts financial calculators including a Balloon Payment Calculator and Bank Reconciliation Calculator to help manage personal finances effectively.

pinetools.com

PineTools is a collection of free online tools across math, colours, text, numbers, dates, images, randomness, programming, and video — a multi-category Swiss Army knife.

pineify.app

Pineify.app hosts a suite of financial planning tools including the Beta Stock Calculator and Asset Allocation Calculator & Visualizer to help users manage their investments effectively.

pipeng.com

pipeng.com hosts Pipeng Toolbox, offering practical tools like a Baume to Specific Gravity Density Converter for various applications.

pixedra.com

An online utility platform offering free SEO and web maintenance tools. ([pixedra.com](https://www.pixedra.com/301-redirect-generator?utm_source=openai))

pixeely.com

Free AI photo tools that run entirely in your browser.

playbacktimer.com

PlaybackTimer.com hosts video speed calculators tailored for various media formats like videos, YouTube clips, and audiobooks, allowing users to adjust playback speeds easily.

plummerindustries.com

Plummer Industries is a resource for mechanical engineers and DIY enthusiasts. It hosts a Belt Length Calculator to help determine the correct belt length for pulley systems.

pokopiaisland.com

Pokopia Island is a platform hosting various construction and planning tools designed for users looking to design and plan their projects efficiently. Their Pokopia Build Planner offers a suite of features tailored to simplify building and renovation processes.

policybazaar.com

Insurance and financial product marketplace with educational articles and calculators for retirement planning. It hosts multiple pension-related tools and guides. ([policybazaar.com](https://www.policybazaar.com/life-insurance/pension-plans/articles/atal-pension-yojana-calculator/?utm_source=openai))

portfolio-rebalancer.app

Portfolio Rebalancer.app provides an Asset Allocation Planner Calculator to help users determine and adjust their investment portfolio for optimal risk and return.

portfoliotoolbox.com

Portfolio Toolbox provides browser‑based investing tools including an asset class returns chart. ([portfoliotoolbox.com](https://portfoliotoolbox.com/asset-classes.html?utm_source=openai))

postman.com

Postman API Network (Microsoft Graph Workspace) is a platform offering tools for developers to manage and test Microsoft Graph APIs, with Azure AD PowerShell Generator as an example of its capabilities.

powerstream.com

PowerStream.com hosts a Battery Size Calculator tool, helping users determine optimal battery sizes for various applications.

pregnancycalculatorai.com

Pregnancy Calculator AI is a site offering various tools to help with pregnancy planning and tracking. Their BBT Calculator helps users determine their fertile window by analyzing basal body temperature data.

pregnancychancecalculator.com

Pregnancy Chance Calculator is a website that provides tools to help couples predict their chances of conception based on basal body temperature (BBT). It includes a BBT calculator to track and analyze fertility trends.

pressurewasherfix.com

Free diagnostic tool for troubleshooting pressure washer performance issues.

prettytext.com

Free browser-based Unicode text formatter for stylized social media bios.

princetonreview.com

Princeton Review is an educational website offering various resources and tools to help students, including a Career Personality Quiz designed to assist with career exploration and planning.

prioritybicycles.com

prioritybicycles.com provides useful tools for cyclists, including a Bike Fit Calculator to help determine the optimal fit for your bicycle.

producercalc.com

producercalc.com hosts BPM Calculator, an online tool to help you calculate beats per minute for various purposes like music production and dance.

productivitytimer.com

Free online timers and productivity tools including Pomodoro, countdown, stopwatch, and task estimator.

progressive.com

Progressive.com hosts an Auto Depreciation Calculator to help estimate the value of vehicles over time.

propercalculators.com

Multi-category calculator and converter site covering chemistry, physics, finance, and more. ([propercalculators.com](https://propercalculators.com/))

proportion-calculator.com

Free online calculator for solving proportions and ratios.

punnettsquares.com

punnettsquares.com hosts tools for genetic calculations, including a Baby Eye Color Calculator to predict the possible eye colors of offspring based on parents' eye colors.

qrcode-decoder.com

Decode QR codes from images and create custom QR codes with colors, styles, and logos.

quadient.com

Quadient.com hosts an Average Collection Period Calculator tool to help businesses determine how long it takes to collect payments from customers.

questionsgenerator.com

Free generator with 3,700+ questions across 30+ categories for conversation, games, and entertainment.

quickminitools.com

Quick Mini Tools is a free online tools site with calculators across categories like physics. Its pages provide interactive inputs and explanations for each tool. ([quickminitools.com](https://quickminitools.com/physics/attenuation-calculator))

quicktesthub.com

Browser-based utility tests for checking reaction time, typing speed, and device functionality.

quickconver.com

Unit conversion website offering calculators for common measurement categories like pressure, length, and temperature. ([quickconver.com](https://www.quickconver.com/atm-to-psi/?utm_source=openai))

quicktooly.com

QuickTooly.com hosts a collection of useful tools for various tasks, including a Basal Area Calculator to help with forestry and land management calculations.

qxmd.com

qxmd.com hosts a BASDAI Score Calculator, which helps in assessing the severity of bone and joint pain in rheumatoid arthritis patients.

random.org

RANDOM.ORG generates true random numbers from atmospheric noise — used since 1998 for lotteries, games, gambling, security, statistics, and academic research.

rfwireless-world.com

rfwireless-world.com hosts RF Wireless World, a site providing tools for RF design and engineering. It offers calculators like the Bandwidth Delay Product Calculator and Balanced Attenuator Calculator to assist with RF signal analysis.