Best 451F Apps

PDF Converter - Word to PDF

Photo to PDF maker & Scan doc

Free

Easily convert documents to and from PDF format in just three steps. Create PDFs from images, share converted files, and manage your conversion history. Supports a wide range of input and output file types.

pdfFiller: edit PDF documents

Scan, fill, sign,make pdf docs

Free

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Temperature Converter

Celsius Fahrenheit Kelvin

Free

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

Convert Any Unit Lite

Units & Currency Converter

Free

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

Photos PDF : Scanner Converter

Photo & image to Scan Document

Free

Easily convert your photos and images into PDF documents in just three simple steps. This app offers a user-friendly interface, versatile editing options, and secure, on-device processing. Manage, sign, and share your PDFs effortlessly.

Easy Temperature Converter Free

by MaoWare Corporation

Free

Effortlessly convert temperatures between various scales. Select your starting unit, input the temperature, and get instant results. Supports common and scientific units for comprehensive conversion needs.

HVACR Check & Charge

PT Charts Superheat Subcooling

Free

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

PDF Reader - Editor & Viewer

Editor, Converter, OCR

Free

Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.

PDF Editor: Read Scan Convert

Annotate, Scan, Convert to PDF

Free

Edit, read, scan, and convert PDF documents with a comprehensive suite of tools. Annotate, draw, and sign your files with ease. This app offers offline functionality and supports collaboration.

Foxit PDF Editor

View, Edit, Convert, and Sign

Free

This mobile app offers comprehensive PDF management, allowing users to view, edit, annotate, and convert PDF files on the go. It includes AI-powered features for summarization, translation, and text enhancement, alongside robust tools for creating, signing, and protecting documents.

MobiPDF・PDF Text Editor・Reader

Edit File・Fill, Sign Documents

Free

Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.

PDF Reader & Editor | Xodo

Smart Scan & Edit Documents

Free

Edit, sign, convert, and organize PDF documents with a comprehensive suite of tools. Scan images to PDF, compress files, and integrate with cloud storage for seamless access across devices. Offers advanced annotation and drawing capabilities.

Body Temperature App For Fever

Thermometer. Checker. Tracker

Free

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

Wind Chill Calculator - Calc

Air temperature, Wind Speed

Free

Calculate the perceived temperature due to wind speed and actual air temperature. Supports various units for both temperature and wind speed. Includes a tool to convert between different temperature units.

Psychrometer °F

Dew Point, Wet Bulb Calculator

Free

This app calculates thermal comfort by evaluating heat, cold, dryness, and moisture. It provides detailed air property calculations and indicates if conditions are within a comfortable range, with easy dial input and color-coded temperature.

Smallpdf: Scanner & PDF Editor

compress, convert, ocr, sign

Free

This app offers a comprehensive suite of tools to manage PDF documents. Easily convert, edit, compress, sign, merge, and scan PDFs using your mobile device. It also features OCR technology to convert scanned documents into editable text.

Fraction Calculator Plus #1

Decimal Converter,Construction

Free

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.