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DocSpring VS Tcpdf

Compare DocSpring VS Tcpdf and see what are their differences

DocSpring

Fill PDF forms, generate PDFs and Word documents, and collect e-signatures with one API.

Rating
0 reviews
Pricing
Freemium Free trial $49 / Monthly (Starter)
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Alternatives Is it good?
Tcpdf

TCPDF: Open Source PHP Class for generating PDF documents

Rating
0 reviews
Pricing
Open source
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Alternatives Is it good?
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 sponsored

Which is more popular?

Based on our record, Tcpdf should be more popular than DocSpring. It has been mentioned 11 times since March 2021.

social mentions
5 vs 11
PDF Tools popularity
66% vs 34%
alternatives listed
103 vs 48

Base details

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

DocSpring
Tcpdf
Website docspring.com tcpdf.org
Pricing
Freemium Free trial $49 / Monthly (Starter) Official pricing
Open source
Platforms
Web REST API
—
Company Startup from the United States · 1 - 9 employees · 2017 —
Listed in
Document Generation Document Automation Document Signing PDF Creator PDF Tools HTML To PDF Developer Tools API Tools Developer APIs APIs API +8
HTML To PDF PDF Conversion API PDF Tools PDF Converter +1

About DocSpring and Tcpdf

In their own words, as submitted to SaaSHub.

DocSpring
Tcpdf

DocSpring is an API for filling, generating and signing documents. Developers build it into their products to turn data into finished PDFs and Word files. Start from the document you already have, or design one: PDF forms: upload any PDF, fillable or flat. AI finds the fields, names them, picks...

Read more about DocSpring

No description of Tcpdf yet.

Features and specs

What each product offers, as listed by its team.

DocSpring 6 features
Tcpdf 6 features
  • PDF forms
    Upload any PDF, fillable or flat. AI finds the fields, names them, picks their types and adds conditional logic.
  • Word templates
    Type tags into the Word documents you already have, with conditions and loops over table rows. Get back Word, OpenDocument or PDF files.
  • Page Designer
    Build a PDF template from a blank page with text, tables, images, charts, barcodes and form fields. Your AI agent can write the layout.
  • E-signatures and web forms
    Send documents for signature to one or more signers, with an audit trail, or let people fill them in through a hosted or embedded web form.
  • API, SDKs and MCP server
    A REST API with SDKs in 10 languages and webhooks. Claude, ChatGPT, Cursor and VS Code can use DocSpring through the MCP server.
  • Security
    SOC 2 Type II audited, HIPAA compliant with a BAA on every paid plan, and US or EU hosting.
  • Open Source
    TCPDF is an open-source library, which means it is free to use and has a community of developers contributing to its improvement.
  • No External Dependencies
    TCPDF does not rely on any external libraries, making it easier to integrate and manage within projects without worrying about additional dependencies.
  • High Customizability
    The library offers extensive customization options for PDF creation, including layouts, fonts, images, and more.
  • Supports Multiple Languages
    TCPDF has built-in support for several languages, including those with special character sets like Arabic, Chinese, and Cyrillic.
  • Wide Range of Features
    TCPDF includes a wide range of features like barcodes, QR codes, page compression, encryption, and digital signatures.
  • Detailed Documentation
    TCPDF comes with comprehensive and detailed documentation, making it easier for developers to learn and implement its features.

Possible disadvantages

  • Performance Issues
    For large PDF files or documents with complex layouts, TCPDF can be slower and consume more memory compared to some other PDF libraries.
  • Steeper Learning Curve
    Due to its rich feature set and flexibility, new users might find it difficult to learn and navigate TCPDF initially.
  • Limited Support for Modern Features
    TCPDF may lack support for some modern and advanced PDF features, such as interactive forms or JavaScript within PDFs.
  • Dated Codebase
    The library has been around for a long time, and some parts of its codebase may not follow modern PHP coding practices, making it less elegant to work with.
  • No Official Support
    Being an open-source project, there is no official customer support, so resolving issues might rely on community assistance.

Videos

Walkthroughs and reviews on video.

DocSpring 0 videos + Add
Tcpdf 1 video + Add

No DocSpring videos yet. You could help us improve this page by suggesting one.

Make PDF report in PHP with TCPDF | TCPDF Tutorial #1

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
DocSpring
Tcpdf
66% 66%
PDF Tools
34% 34%
28% 28%
HTML To PDF
72% 72%
100% 100%
Document Automation
0% 0%
0% 0%
Word
100% 100%

Questions & Answers

As answered by people managing DocSpring and Tcpdf.

Why should a person choose your product over its competitors?

DocSpring's answer

One API covers PDF forms, Word documents, page designs and HTML templates, with the same JSON and the same e-signatures, so you don't need a second tool when a customer sends you a Word contract. Templates have typed fields and validation that catch bad data before a document is made. Test PDFs are free and unlimited, and the free plan has no time limit.

How would you describe the primary audience of your product?

DocSpring's answer

Developers and product teams who build documents into their software: loan, insurance and rental applications, patient intake and consent forms, tax and government forms, contracts, invoices and certificates. That includes SaaS companies whose own customers set up templates in DocSpring's embedded editor.

What's the story behind your product?

DocSpring's answer

I used to work at a payroll company (Gusto). We had built a similar in-house tool for filling out tax forms. I then built the first version of DocSpring (formerly named FormAPI) while I was living in Thailand. I built it to automate the filling out of visa application and visa extension forms, but realized that it could also be used for tax forms, real estate contracts, and any other kind of fillable PDF form.

Who are some of the biggest customers of your product?

DocSpring's answer

  • SaaS services serving customers in the real estate, insurance, finance, and legal industries, among many others.

Which are the primary technologies used for building your product?

DocSpring's answer

Ruby on Rails, React, Rust, Go, AWS

What makes your product unique?

DocSpring's answer

DocSpring fills every kind of document from one API: PDF forms, Word documents, page designs and HTML templates. AI sets up the fields on any PDF, fillable or flat. The same template gives you a web form and e-signatures, and your customers can set up their own templates in our editor, embedded in your app. Your AI assistant can do all of this too, through our MCP server. DocSpring is SOC 2 Type II audited and HIPAA compliant, with US or EU hosting.

User comments

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

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Social recommendations and mentions

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

DocSpring 5 mentions
Tcpdf 11 mentions
  • Ask HN: What Are You Working On? (February 2025)
    I'm still working on DocSpring [1], originally launched on Hacker News in October 2017 under the name "FormAPI." It's a PDF generation API with a template editor UI for setting up fields on PDF forms. It makes it easy to turn complex tax... - Source: Hacker News / over 1 year ago
  • Launch HN: Onedoc (YC W24) – A better way to create PDFs
    For programmatic filling of PDFs, have a look at DocSpring: https://docspring.com. - Source: Hacker News / over 2 years ago
  • So you want to modify the text of a PDF by hand
    Great post. I've spend a lot of time reading through the PDF specification over the last ~5 years while building DocSpring [1], and I still feel like I've barely scratched the surface. Qpdf is a great tool. One of my other favorites is... - Source: Hacker News / about 3 years ago

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  • Generating PDF documents in Laravel
    Other popular PDF libraries include TCPDF, FPDF, and Snappy. - Source: dev.to / over 2 years ago
  • PostScript’s Sudden Death in Sonoma
    TCPDF has full support for rendering an EPS into a PDF. It can be fussy. https://tcpdf.org/. - Source: Hacker News / about 3 years ago
  • Python to what?
    Idk what’s the big problem. Maybe it’s just something like https://tcpdf.org ? Using that for years. Source: over 3 years ago

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Alternatives to DocSpring and Tcpdf

When comparing DocSpring and Tcpdf, you can also consider the following products.

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