
Brevo
GetResponse
Constant Contact
MailerLite
HubSpot
ActiveCampaign
Campaign Monitor
MailChimp is the best way to design, send, and share email newsletters.

PDFShift
DocRaptor
pdflayer
HTMLEmail.io
PDFCrowd
Templates by Email Monster
PDF my URL
Developer-first file conversion and website capture API: 300+ format pairs across documents, images, audio, and video, plus pixel-perfect HTML-to-PDF rendering. Plain REST, no SDK required. 100 free conversions a month, files up to 1 GB.

Which is more popular?
Based on our record, MailChimp seems to be more popular. It has been mentioned 91 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mailchimp.com | converterer.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | Startup from Australia · 1 - 9 employees · 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of MailChimp yet.
Converterer (formerly Paperplane) is a REST API for file conversion and website capture, built for developers and no-code workflows. File conversion: convert documents, spreadsheets, presentations, images, audio, and video across 300+ format pairs: DOCX to PDF, PDF to DOCX, XLSX to CSV, PNG to...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
MailChimp is recommended for small to medium-sized businesses, entrepreneurs, and non-profits who want a cost-effective solution for email marketing. It's also suitable for those new to email marketing who are looking for a simple yet powerful tool to reach their audience and grow their subscriber base.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
WARNING! MailChimp Review: Marketers & Entrepreneurs Stayaway! (Why I left MailChimp)
More videos
Video Review Paperplane New Era 9FIFTY Snapback Cap
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MailChimp and Converterer.
Converterer's answer:
Two APIs under one plan and one allowance: file conversion across 300+ format pairs (documents, spreadsheets, presentations, images, audio, video) and website capture that renders any URL as a print-ready PDF with a real headless Chromium engine. Pricing is flat per conversion, so a 900 MB video costs the same as a 40 KB document, where most competitors bill credits or processing minutes that scale with file size. And there is no SDK to install: it is plain REST you can drive from cURL.
Converterer's answer:
Predictable cost and less integration work. Flat per-conversion pricing with files up to 1 GB on every plan means no surprise bills when documents get heavy. The free tier is a real recurring allowance, 100 conversions every month with no card, rather than a one-time trial. Integration is one POST request with HTTP Basic auth, HMAC-signed webhooks instead of polling, and delivery straight into your own storage bucket if you want it. The capture engine has been rendering PDFs in production since 2018, and we publish sourced, dated comparisons against competitors on our own site, including the cases where they are the better fit.
Converterer's answer:
Developers adding file conversion or document rendering to their products (invoices, reports, archives, media processing), and operations or no-code builders automating the same jobs through Zapier, Make, n8n, Power Automate, or Workato. Typical users are SaaS teams generating documents at scale and teams replacing self-hosted conversion stacks they no longer want to operate.
Converterer's answer:
Converterer started in 2018 as Paperplane, a focused HTML-to-PDF API built on headless Chrome. Customers kept asking for conversions that had nothing to do with HTML: DOCX to PDF, HEIC to JPG, MP4 to GIF. So the platform grew past its name, and in May 2026 it relaunched as Converterer: the same team and rendering engine, expanded to a full file conversion API with 300+ format pairs alongside the original website capture.
Converterer's answer:
Website capture runs on a real headless Chromium engine, so output matches what desktop Chrome renders, including web fonts, Flexbox, Grid, and JavaScript-heavy pages. The API itself is plain REST over HTTPS with HTTP Basic authentication and HMAC-signed webhooks, and output delivery integrates with standard object storage (S3-compatible, Google Cloud Storage, Azure).
Share your experience with using MailChimp and Converterer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Good for email marketing
It validates your email lists to check for invalid or undeliverable emails so that you can maximize your marketing campaign potential. You can either upload your email list and clean it in bulk using the CSV format,...
Mailchimp is a popular marketing automation and email marketing tool. Its form and landing page builders are useful for generating signups and expanding email lists. Are you wondering if Campaign Monitor and Mailchimp...
We have no reviews of Converterer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Use tools like Mailchimp or Klaviyo to send newsletters and promotional emails to your customers. This can help keep them engaged and encourage repeat purchases. - Source: dev.to / 11 months ago
Your website is the best place to build your most valuable marketing asset: your email list. By connecting your site to an email platform like Mailchimp or ConvertKit, you can set up automated messages that build real, lasting loyalty. - Source: dev.to / about 1 year ago
Integrating with marketing tools like Mailchimp through Strapi's API ensures that user data is consistently updated and synchronized, enabling more effective and targeted marketing campaigns. Whenever a user updates their profile or... - Source: dev.to / over 1 year ago
Tracking Converterer since Mar 2021.
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