About
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language Standard ECMA-262 3rd Edition - December 1999. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. These properties make JSON an ideal data-interchange language.
JSON is built on two structures:
1. A collection of name/value pairs. In various languages, this is realized as an object, record, struct, dictionary, hash table, keyed list, or associative array.
2. An ordered list of values. In most languages, this is realized as an array, vector, list, or sequence.
These are universal data structures. Virtually all modern programming languages support them in one form or another.
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About
JavaScript is a scripting language and programming language for the web that enables developers to build dynamic elements on the web. Over 97% of the websites in the world use client-side JavaScript. JavaScript is one of the most important scripting languages on the web. Strings in JavaScript are contained within a pair of either single quotation marks '' or double quotation marks "". Both quotes represent Strings but be sure to choose one and STICK WITH IT. If you start with a single quote, you need to end with a single quote. There are pros and cons to using both IE single quotes tend to make it easier to write HTML within Javascript as you don’t have to escape the line with a double quote. Let’s say you’re trying to use quotation marks inside a string. You’ll need to use opposite quotation marks inside and outside of JavaScript single or double quotes.
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About
The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. Whether you're new to programming or an experienced developer, it's easy to learn and use Python. Python can be easy to pick up whether you're a first-time programmer or you're experienced with other languages. The following pages are a useful first step to get on your way to writing programs with Python! The community hosts conferences and meetups to collaborate on code, and much more. Python's documentation will help you along the way, and the mailing lists will keep you in touch. The Python Package Index (PyPI) hosts thousands of third-party modules for Python. Both Python's standard library and the community-contributed modules allow for endless possibilities.
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About
UPDF supports editing, annotating, and managing PDF seamlessly on for Windows, Mac, iOS and Android. You can get every tool you need to edit, annotate, and organize your PDF files in one premiere all-rounder smart application. It is explicitly designed to meet the desire of most users for a stunning yet very comprehensible interface that is not just only for beginners.
Key Features:
1. Edit PDF Document
- You can add or delete texts as well as edit the text's properties and formats such as its font style, font color, and size.
- You can also crop, rotate, replace, extract or delete images.
2. Annotate PDF
- Easily highlight, underline, and strike out those parts. You can also add shapes, sticky notes and text boxes for a quicker and easier means of adding texts.
3. PDF Page Management
- Rotate, delete, extract and rearrange PDF pages as you need.
4. View and Navigate PDF Files
- Flexible reading mode such as single page mode or double-page mode.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Programmers and developers
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Audience
Web developers and anyone looking for a mobile solution for running and developing web content
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Audience
Developers interested in a beautiful but advanced programming language
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Audience
Anyone wants to edit text or image in a PDF or annotate PDF.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationJSON
Founded: 2001
www.json.org
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Company InformationJavaScript
Founded: 1995
United States
javascript.com
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Company InformationPython
Founded: 1991
www.python.org
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Company InformationSuperace Software Technology Co., Ltd.
Founded: 2021
Hong Kong
updf.com
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Alternatives |
Alternatives |
Alternatives |
Alternatives |
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Categories |
Categories |
Categories |
Categories |
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PDF Editors Features
Access Controls / Permissions
Annotations
Commenting / Notes
Compare Side-by-Side
Customizable Branding
Delete Pages
Electronic Signature
Forms Management
Full Text Search
Merge / Append
Offline Access
Optical Character Recognition (OCR)
Rearrange Pages
Rotate Pages
Watermarking
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Integrations
Amazon SageMaker Data Wrangler
Azure Managed Redis
Flox
Google Cirq
KompoZer
Kottster
Koyeb
Magier
MarsCode
Mayhem Code Security
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Integrations
Amazon SageMaker Data Wrangler
Azure Managed Redis
Flox
Google Cirq
KompoZer
Kottster
Koyeb
Magier
MarsCode
Mayhem Code Security
|
Integrations
Amazon SageMaker Data Wrangler
Azure Managed Redis
Flox
Google Cirq
KompoZer
Kottster
Koyeb
Magier
MarsCode
Mayhem Code Security
|
Integrations
Amazon SageMaker Data Wrangler
Azure Managed Redis
Flox
Google Cirq
KompoZer
Kottster
Koyeb
Magier
MarsCode
Mayhem Code Security
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