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HTML2PDF Rocket
What it is
HTML2PDF Rocket is a cloud service that converts a URL or submitted HTML into a PDF or image file. It can execute JavaScript while rendering pages, and PDF options include page size, orientation, margins, grayscale, forms, print stylesheets, and headers and footers. The API lists JPG, PNG, BMP, and SVG as image output formats. URL conversions support SSL, HTTPS pages, and basic authentication using a username and password. The service provides code examples for C#, JavaScript, PHP, Java, and Android, with links to examples for Python, Node.js, Go, and Swift. The maker highlights reports, brochures, and invoices as uses for downloadable PDFs. Conversions taking over 30 seconds, or input or output files larger than 6 Mb, need batch or asynchronous parameters. The free plan costs nothing and includes 200 credits per month with a 5 Mb per-PDF limit; large PDFs use credits based on network traffic. BOOTSTRAPPED costs $5 a month and includes 500 credits with a 50 Mb per-PDF limit.
For and against
For
- Can render JavaScript during conversion.
- PDF options include page size, margins, and headers.
- Image outputs include JPG, PNG, BMP, and SVG.
- URL conversions support HTTPS and basic authentication.
- Examples cover C#, JavaScript, PHP, Java, and Android.
Against
- Free accounts stop generating at 100% credit usage.
- Free PDFs are limited to 5 Mb each.
- Conversions over 30 seconds need batch or asynchronous parameters.
- Inputs or outputs over 6 Mb need batch or asynchronous parameters.
The verdict
HTML2PDF Rocket offers URL and HTML conversion with JavaScript rendering and configurable PDF output. The free plan has credit and file-size limits; the listed paid option raises those limits for $5 a month.
Who it suits
It suits developers and businesses that need to generate PDF or image files from webpages or submitted HTML. Its language examples and PDF controls may be useful for reporting, brochures, or invoicing workflows.
Plans and prices
Free Plan
200 credits/month · 5 Mb per PDF file · large PDFs use 1 credit per 500kb of network traffic
Read 8 Oct 2026 · html2pdfrocket.com
BOOTSTRAPPED
500 credits · 50 Mb per PDF file
Read 8 Oct 2026 · html2pdfrocket.com
On the record
- Batch processing
- The maker says conversions over 30 seconds or input/output files over 6 Mb need batch or asynchronous parameters.html2pdfrocket.com · read 8 Oct 2026
- Commercial availability
- The maker says its commercial service launched in April 2015 and describes support for both small volumes and millions of PDFs.html2pdfrocket.com · read 8 Oct 2026
- Company identity
- The Data Processing Agreement names NTI Consulting, based in Upper Coomera, Queensland, Australia, as the processor for the service.html2pdfrocket.com · read 8 Oct 2026
- Conversion service
- The web service converts a URL or submitted HTML into a PDF or image file.html2pdfrocket.com · read 8 Oct 2026
- Data handling
- The privacy policy says regular API generated files are deleted immediately after processing, while batch files are stored temporarily and API request data and conversion metadata are retained for limited purposes.html2pdfrocket.com · read 8 Oct 2026
- Image formats
- The API lists JPG, PNG, BMP and SVG as supported image output formats.html2pdfrocket.com · read 8 Oct 2026
- Integrations
- The site provides code examples for C#, JavaScript, PHP, Java, and Android, and links to examples for other languages including Python, Node.js, Go, and Swift.html2pdfrocket.com · read 8 Oct 2026
- Intended uses
- The maker highlights reporting, brochures, and invoicing as use cases for generating downloadable PDFs from webpages.html2pdfrocket.com · read 8 Oct 2026
- JavaScript rendering
- The service can execute JavaScript while rendering a webpage for conversion.html2pdfrocket.com · read 8 Oct 2026
- PDF controls
- Optional parameters include page size, orientation, margins, grayscale, forms, print stylesheets, and headers and footers.html2pdfrocket.com · read 8 Oct 2026
- Privacy agreement
- The maker publishes a Data Processing Agreement that describes processing under data protection laws including GDPR and outlines security measures and audit rights.html2pdfrocket.com · read 8 Oct 2026
- Security
- The FAQ says URL conversions support SSL, HTTPS pages, and basic authentication with a username and password.html2pdfrocket.com · read 8 Oct 2026
- Support
- The FAQ directs users to contact support and says customers can request additional free testing credits.html2pdfrocket.com · read 8 Oct 2026
- Usage limits
- On free accounts, generation stops when the account reaches 100% of its credit usage; paid accounts may continue at a slower generation rate.html2pdfrocket.com · read 8 Oct 2026
The review
HTML2PDF Rocket is a cloud service for converting webpages and submitted HTML into PDFs or images. It is best for developers building document generation into an application. JavaScript rendering and detailed PDF controls are useful strengths, while the free plan’s monthly credits and file-size cap make it better for small workloads than routine high-volume use.
Overview
The service can turn a URL or submitted HTML into a downloadable document, a fit for reports, brochures and invoices generated from web content. Because conversion happens in the cloud, it suits application workflows that can send content to an API; it is not the choice for people who need conversion to run locally.
HTML2PDF Rocket has operated commercially since 2015 and says it supports workloads from small volumes to millions of PDFs. That range makes it relevant to both early integrations and larger document pipelines, although the plan limits still matter when estimating ongoing use.
Key features
JavaScript execution lets the service render pages that depend on client-side scripts. PDF parameters cover page size, orientation, margins, grayscale, forms, print stylesheets, and headers and footers, giving developers control over document layout. Image output includes JPG, PNG, BMP and SVG.
Code examples cover C#, JavaScript, PHP, Java and Android, with examples also linked for Python, Node.js, Go and Swift. This makes the API approachable across a range of application stacks. URL conversion supports SSL, HTTPS pages and basic authentication.
There is a practical processing constraint: conversions taking more than 30 seconds or involving input or output files over 6 Mb need batch or asynchronous parameters. That requires implementation choices for complex pages and larger files. Regular API-generated files are deleted after processing; batch files are stored temporarily, and request data and conversion metadata are retained for limited purposes. A published Data Processing Agreement describes data protection processing, security measures and audit rights.
Pricing
The Free Plan costs nothing and provides 200 credits per month, with a 5 Mb maximum per PDF. Large PDFs use one credit per 500kb of network traffic, so complex or image-heavy documents can consume the allowance quickly. Generation stops when a free account reaches 100% credit usage, which makes this plan most suitable for evaluation or light workloads.
BOOTSTRAPPED costs $5 a month, billed $5.00 / month, and includes 500 credits and a 50 Mb per PDF limit. It is the more workable choice for regular, modest-volume use: the file cap is ten times higher and credits increase, but the monthly allowance remains finite. Paid accounts may continue generating after reaching their credit usage, at a slower rate.
Platforms
HTML2PDF Rocket is available through the web and API, with platform support for Android, Linux, macOS and Windows. Its cloud deployment and language examples make it particularly relevant to software teams integrating conversions into apps across these environments.
Who it's for
Developers and teams generating PDFs from live webpages or submitted HTML should find the strongest fit, especially when pages require JavaScript rendering or documents need specific layout settings. The free plan gives smaller projects a way to start, while the paid plan raises the file-size and credit limits for recurring use. Readers seeking offline conversion or unrestricted free volume should look elsewhere.
Pros and cons
- Pro: JavaScript rendering and multiple PDF controls accommodate pages and output layouts that a basic URL-to-PDF service may not handle as directly.
- Pro: PDF and four image formats support different downstream document needs.
- Pro: Examples for common application languages and a published Data Processing Agreement help teams assess integration and data-processing needs.
- Con: The free plan caps PDFs at 5 Mb and stops generation when credits run out, limiting its value for sustained use.
- Con: Files over 6 Mb or conversions longer than 30 seconds need batch or asynchronous parameters, adding work for larger or complex jobs.
- Con: Cloud conversion means it does not suit workflows that require local processing.
Alternatives
Choose HiPDF if you want a broader platform range, including iOS and browser extensions, or need OCR access and batch processing on its Basic plan, priced at $39.95 a year.
Convertio is a candidate when a 1 GB maximum file size and 1,000 monthly conversion credits on its $11.99 a month Lite plan better match your workload.
ZonePDF may suit readers looking for a broader set of PDF tools, with its 1-year plan offering unlimited use of every PDF tool.
Consider PDFxlsx if you need self-hosted deployment or a plan with a stated monthly conversion count: its Starter plan allows up to 50 conversions per month, a 50MB file limit and one team member for $40.83 a year.
Wondershare PDFelement is another paid option for readers comparing PDF software across desktop and mobile platforms.
FoxyUtils Online PDF Tools may be a better match for web-based PDF work that includes OCR and cloud connections; its Monthly plan costs $5.99 a month.
PDF Agile offers a free plan with 2 Page* and 5 Tasks for conversion, which may fit occasional conversion needs.
Ghostscript is worth considering for readers who want a free, self-hosted option available on Linux, macOS and Windows.
Browse PDF Converter Software for more conversion tools, or PDF API Software for other API-focused options.
Verdict
HTML2PDF Rocket is a strong fit for developers who need cloud-based conversion of scripted webpages into PDFs or images and value control over the resulting layout. The $5 a month BOOTSTRAPPED plan raises the free tier’s tight file cap and credit allowance, but high-volume or larger-file workflows must account for processing parameters and ongoing usage limits. Choose it for an API-centered document pipeline; look elsewhere for local conversion or a broader PDF editing toolkit.