PDFShift VS quackr

Which is more popular?

Based on our record, quackr seems to be a lot more popular than PDFShift. While we know about 49 links to quackr, we've tracked only 2 mentions of PDFShift.

social mentions: 2 vs 49
PDF Tools popularity: 100% vs 0%
alternatives listed: 240+ vs 56

Base details

Website, pricing, platforms and company facts side by side.

	PDFShift	quackr
Website	pdfshift.io	quackr.io
Pricing	Freemium Free trial $9 / Monthly (500 conversions and up to 5Mb per generated PDF.) Official pricing	Open source Freemium $12.99 / Usage Official pricing
Company	2018	Startup from the United Kingdom
Listed in	HTML To PDF PDF Conversion API PDF Tools PDF Converter +1	Non-VoIP Numbers Private SMS Verification Identity Protection Virtual Mobile Numbers Temporary Phone Numbers +2

About PDFShift and quackr

In their own words, as submitted to SaaSHub.

PDFShift

quackr

A powerful, fast and high-fidelity HTML to PDF conversion API. Code examples and package ready for Node, Python and PHP developers. Advanced features are available, including watermarking and encryption!

Features and specs

What each product offers, as listed by its team.

PDFShift 6 features

quackr 3 features

High-quality PDF conversion
PDFShift provides high-quality conversion from HTML to PDF, preserving formatting, styles, and layout details accurately.
Ease of use
The API is straightforward and user-friendly, allowing developers to quickly integrate it into their applications without a steep learning curve.
Batch conversion
PDFShift supports batch processing, enabling users to convert multiple HTML documents to PDF simultaneously, which can save significant time.
API documentation
Comprehensive and clear API documentation makes it easier for developers to understand and implement functionalities within their projects.
Customization options
PDFShift offers various customization options such as headers and footers, page size, margins, and more, giving users control over the output.
Security and privacy
PDFShift ensures data security and privacy by providing encrypted connections and automatic deletion of files after processing.

Temporary Phone Numbers
Rent a temporary phone number to receive SMS verification codes online.
Receive SMS Online
Receive SMS messages instantly for OTPs, 2FA, and account verification.
Receive Only Service
Quackr is designed to receive SMS only no calls or outbound messages.

Possible disadvantages

Limited Usage
Because these are temporary numbers, they may not work for receiving important or long-term communication, as the number might expire or be reused by someone else.
Service Compatibility
Not all services accept temporary phone numbers for verification, which can limit the use of Quackr for certain websites or applications.
Potential Overuse
Popular temporary numbers might receive a lot of verification codes or messages, which can become overwhelming and result in missed messages intended for the user.

Analysis

An editorial look at what each product does well and who it suits.

PDFShift

quackr

Overall verdict

PDFShift is generally considered a good tool for developers and businesses that need a reliable, fast, and easy-to-integrate solution for HTML to PDF conversion. Its functionality and scalability make it a competitive choice in the market.

Why this product is good

PDFShift is an online API service that allows users to convert HTML documents into PDFs with high fidelity. It is praised for its ease of use, speed, and the ability to handle complex HTML and CSS. Users appreciate its support for various PDF features like custom headers, footers, and page numbers. Additionally, it provides scalability for businesses due to its robust API and ability to handle high-volume requests.

Recommended for

PDFShift is recommended for web developers, software engineers, and companies that require automated HTML to PDF conversion as part of their applications or websites. It is particularly suitable for those looking for an API-based solution to integrate easily into their existing workflows and systems.

Overall verdict

Quackr is considered a good service for individuals seeking a simple and efficient solution to avoid using their personal phone number for verification purposes. However, the effectiveness and reliability can vary based on location and service needs.

Why this product is good

Quackr is generally well-regarded for its ability to provide temporary phone numbers for SMS verification, which helps users maintain privacy and security when interacting with online services that require phone number verification. It offers a straightforward platform that is easy to use and supports multiple international numbers, making it versatile for users across the globe.

Recommended for

Quackr is recommended for users who prioritize their privacy by not sharing personal phone numbers, frequent digital nomads engaged with international services, and anyone attempting to bypass SMS verification without a personal or permanent number.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

PDFShift

quackr

100% 100%

PDF Tools

0% 0%

Temporary Phone Numbers

100% 100%

HTML To PDF

0% 0%

Phone Number Verification

100% 100%

Questions & Answers

As answered by people managing PDFShift and quackr.

What makes your product unique?

quackr's answer:

Quackr stands out by offering a seamless bridge between free public access and premium private security. Unlike many competitors that rely solely on low quality VoIP numbers (which are often blocked), Quackr provides Private Non-VoIP Numbers sourced from real SIM cards. This ensures high deliverability rates for strict services like Tinder, Gmail, and Banking apps, giving users a level of reliability that standard free sites cannot match.

Which are the primary technologies used for building your product?

quackr's answer:

Quackr is built on a robust cloud infrastructure designed for speed and security. We utilize advanced telecommunications APIs to bridge real world SIM networks with our digital dashboard, ensuring near instant SMS delivery. Our frontend uses modern frameworks (like React/Next.js) to ensure a fast, responsive experience on both mobile and desktop.

What's the story behind your product?

quackr's answer:

Quackr started with a simple mission to stop SMS spam. We realized that requiring a personal phone number for every minor sign-up was a privacy risk. What began as a free tool to protect users from telemarketers has evolved into a comprehensive privacy platform, helping thousands of users globally verify accounts securely without exposing their real identity.

How would you describe the primary audience of your product?

quackr's answer:

Our primary audience consists of privacy conscious professionals, digital marketers, and cybersecurity enthusiasts. This includes social media managers managing multiple accounts, developers testing authentication flows, and individuals who want to secure their personal data against data breaches. They are users who value their digital footprint and are willing to invest in secure, private verification methods.

Why should a person choose your product over its competitors?

quackr's answer:

Competitors often provide recycled, spam filled numbers that fail verification checks. Users choose Quackr because we offer guaranteed privacy. With our paid rental option, users get a dedicated number that is theirs alone no shared messages, no interference. We combine the ease of a "one click" free service with the professional reliability of a paid private line, giving users the best of both worlds.

User comments

Share your experience with using PDFShift and quackr. For example, how are they different and which one is better?

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PDFShift 2 mentions

quackr 49 mentions

Ask HN: Show your micro-SaaS (September 2026)
Https://pdfshift.io A simple API that converts HTML documents to PDF or images. - Source: Hacker News / about 2 months ago
Why Headless Browsers Are Ideal for Accurate Webpage to PDF Conversion
PDFShift – A cloud API for converting HTML and URLs into PDFs, powered by a headless Chrome backend with support for modern CSS and JavaScript. - Source: dev.to / 9 months ago

Ask HN: Is there a temp phone number like temp email?
There are lots of them: https://quackr.io/ https://receive-smss.com/ https://sms24.me/ https://temp-number.com/ https://onlinesim.io/. - Source: Hacker News / about 1 year ago
Did people really use "burner phones"?
I'm also curious because it seems like using a phone with no strings attached today seems almost impossible unless you get an actually old phone, which either works poorly or costs a lot as part of a retro collection or something. Even... Source: about 3 years ago
I'm back and the chair has never been stronger.
You can also take this poll over at bettor edge, and whichever team gets the most votes, will get an extra 5k donated to their respective charity (the loser will still get a 1k donation). So if you are so inclined, head over there and... Source: about 3 years ago

Alternatives to PDFShift and quackr

When comparing PDFShift and quackr, you can also consider the following products.

DocRaptor
As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Compare DocRaptor to PDFShift or quackr:

DocRaptor vs PDFShift DocRaptor vs quackr
SMS-man.com
SMS-man offers a virtual numbers to receive SMS and create multiple accounts on WhatsApp, Telegram, Instagram, Twitter, Amazon and others. The SMS-man service provides numbers of such countries as China, US, India, Russia, UK, Germany, Ukraine etc.

Compare SMS-man.com to PDFShift or quackr:

SMS-man.com vs PDFShift SMS-man.com vs quackr
pdflayer
Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.

Compare pdflayer to PDFShift or quackr:

pdflayer vs PDFShift pdflayer vs quackr
S

Smspva
The best SMS activation site! Operating since 2013. Payment by card. 60+ countries numbers. Purchase without registration!

Compare Smspva to PDFShift or quackr:

Smspva vs PDFShift Smspva vs quackr
PDFCrowd
Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.

Compare PDFCrowd to PDFShift or quackr:

PDFCrowd vs PDFShift PDFCrowd vs quackr
AnonymSMS
Totally free online service whereby you can Receive SMS Online, without the need of inputting your own mobile/cell number.

Compare AnonymSMS to PDFShift or quackr:

AnonymSMS vs PDFShift AnonymSMS vs quackr

Compare PDFShift VS quackr and see what are their differences

Base details

About PDFShift and quackr

Features and specs

Analysis

Category popularity

Questions & Answers

What makes your product unique?

Which are the primary technologies used for building your product?

What's the story behind your product?

How would you describe the primary audience of your product?

Why should a person choose your product over its competitors?

User comments

Social recommendations and mentions

Alternatives to PDFShift and quackr