Software Alternatives & Startups

PDF Generator API VS Robolly

Compare PDF Generator API VS Robolly and see what are their differences

PDF Generator API logo PDF Generator API

Generate PDF documents from templates and JSON data. Enable your users to create PDFs and manage document templates using a browser-based drag-and-drop editor!

Robolly logo Robolly

Premium cloud service for automated image, PDF & video generation.
  • PDF Generator API
    Image date //
    2025-06-02
  • PDF Generator API
    Image date //
    2025-07-02
  • PDF Generator API
    Image date //
    2025-07-02
  • PDF Generator API
    Image date //
    2025-07-02
  • PDF Generator API
    Image date //
    2025-07-02
  • PDF Generator API
    Image date //
    2025-07-02

Easily generate PDF documents from pre-defined PDF templates with JSON data. Enable your users to create PDFs and manage their document templates using a browser-based drag-and-drop PDF editor to reduce development and support costs.

  • Robolly Robolly homepage
    Robolly homepage //
    2025-07-08

About Robolly

Robolly is a premium cloud service for automated image, video & PDF generation. It helps businesses and professionals around the globe to create template-based images & videos automatically.

The potential of Robolly is limitless; you can use it to generate branded social media content, open graph images, PDF certificates, personalised videos, slideshows, and so much more.

Most popular use cases

Social media content

Auto-generate visuals for social media like Instagram posts and stories, and automatically produce hundreds of personalized visuals in different designs and sizes all at once in just one click.

PDF certificates

Use Robolly's spreadsheet-like interface to generate personalized PDF certificates in bulk or integrate API for complete automation

Dynamic open graph images

Use Robolly's URL-based API (no-code friendly) to generate dynamic, personalized open graph images that make you stand out on social media and chat apps when someone shares a link to your page.

Youtube thumbnails

Auto-generate Youtube thumbnails, and automatically produce personalized and consistent-looking visuals in just one click.

Visuals for PPC banners

Use Robolly to generate visuals for PPC banners and automatically produce hundreds of personalized visuals in different designs and sizes in one click or with Robolly API.

PDF Generator API features and specs

  • Users can edit and manage document templates
    We provide a workspace logic that allows creating a separate workspace for each of your users where they can store and manage document templates.
  • Allow your users to edit document templates
    You can embed the document template editor into your application to allow your users to modify their own PDF templates.
  • Powerful Expression language
    You can write mathematical and logical expressions to manipulate and customize values displayed in components.
  • Share document templates with your users
    You can set up default document templates that can be used as base templates by your users.
  • A wide range of smart components
    You can use different components like Text, Table and Barcode and define the formatting for number and date values.
  • Merge PDF template and data via API
    Powerful Web API to merge templates with data from your software.
  • Data Security
    GDPR Compliance, ISO 27001, HIPAA
  • Convert HTML to PDF
    Leverage our scalable html to pdf conversion functionality in order to focus all your development time on your core functionality.
  • PDF Forms
    You can collect data through fully customizable online forms and automatically generate PDFs using your existing templates. No coding required.

Robolly features and specs

  • User-Friendly Interface
    Robolly offers a clean and intuitive interface, making it easy for users to navigate and utilize its features without a steep learning curve.
  • Comprehensive Features
    The platform provides a wide range of features that cater to the needs of its target audience, offering versatility and depth in functionality.
  • Responsive Customer Support
    Robolly's customer support is noted for its responsiveness and helpfulness, addressing user queries and issues promptly and effectively.
  • Regular Updates
    The platform receives regular updates, ensuring it stays up to date with the latest technologies and user needs.

Analysis of PDF Generator API

Overall verdict

  • PDF Generator API is a solid, developer-friendly solution for automating document generation, offering a drag-and-drop template editor and reliable REST API that make it easy to produce professional PDFs at scale.

Why this product is good

  • Intuitive drag-and-drop template editor lets non-developers design and edit document layouts without coding
  • Well-documented REST API with SDKs and integration guides for quick implementation
  • Supports dynamic data merging, making it ideal for invoices, reports, and personalized documents
  • Cloud-based service that scales with demand and reduces infrastructure overhead
  • Offers flexible pricing tiers suitable for startups and larger businesses
  • Allows end-users to customize templates within your own application via workspace features

Recommended for

  • SaaS companies needing to embed document generation into their platforms
  • Developers automating invoices, receipts, and financial reports
  • Businesses requiring personalized, data-driven PDF documents at scale
  • Startups looking for an affordable alternative to building PDF generation in-house
  • Teams wanting to give non-technical users control over document templates

PDF Generator API videos

PDF Generator API Introduction and Product demo

More videos:

  • Review - PDF Generator API | HTML to PDF Platform - eDocAPI The easiest way to generate PDF Documents

Robolly videos

Introducing Render Forms – Render Images, PDFs & Videos Without Any Design or Tech Skills

More videos:

  • Demo - Introducing Tools & APIs For Automated Video Generation
  • Tutorial - How to Create Branded Images in Bulk with Google Sheets
  • Demo - Robolly Introduction – Auto-Generate Personalized Images, Videos & PDFs

Category Popularity

0-100% (relative to PDF Generator API and Robolly)
PDF Creator
100 100%
0% 0
Design Tools
0 0%
100% 100
Document Automation
100 100%
0% 0
Social Media Tools
0 0%
100% 100

Questions & Answers

As answered by people managing PDF Generator API and Robolly.

What makes your product unique?

PDF Generator API's answer

Easily generate PDF documents from pre-defined PDF templates with JSON data. Enable your users to create PDFs and manage their document templates using a browser-based drag-and-drop PDF editor to reduce development and support costs.

How would you describe the primary audience of your product?

PDF Generator API's answer

From small to large companies we can provide cloud infrastructure for PDF creation and multiple other PDF services. We also provide dedicated and on-prem infrastructure for Enterprises worldwide.

Why should a person choose your product over its competitors?

PDF Generator API's answer

It seems the PDF customization and generation tools market is quite abundant and there are many companies battling it out for the attention of customers. However, we also see that PDF Generator API has some features that are unmatched by any of the other platforms. Among other features, we are the only ones that offer our clients support video calls and last, but not least – we are by far the most cost competitive platform among the whole bunch.

You can see comparison of all functionalities in our section here: https://pdfgeneratorapi.com/comparison

What's the story behind your product?

PDF Generator API's answer

Our HQ is in Estonia. We provide PDF creation for hundreds of client for more than 10 years. We are part of PDF Association and ISO Certified subject, which highlight our commitment to the highest security standards.

Who are some of the biggest customers of your product?

PDF Generator API's answer

Bigbank, DFDS, Veeqo.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare PDF Generator API and Robolly

PDF Generator API Reviews

  1. Rucicky Zlate
    · Manager at Rucicky ·
    Easy, just do the things we need

    We did integration with PDF API and it is working as expected, we use forms to collect the data as well. Automated the invoice creation with their API. Great editor, btw.

    Pros:    Easy integration|Api integration|Template editor

Robolly Reviews

We have no reviews of Robolly yet.
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What are some alternatives?

When comparing PDF Generator API and Robolly, 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

Placid - Use Placid to auto-generate images, videos & PDFs from reusable templates

CraftMyPDF - PDF generation API for developers who ship fast.

Bannerbear - Auto-generate IG Stories, Pinterest Pins and more

APITemplate.io - APITemplate.io allows you to auto-generate social images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML required.

PDFMonkey - Automate your PDF generation.