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ZIP Code API VS Online Convert

Compare ZIP Code API VS Online Convert and see what are their differences

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
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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

ZIP Code API logo ZIP Code API

REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Online Convert logo Online Convert

Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.
  • ZIP Code API Landing page
    Landing page //
    2026-05-21

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ€” no separate APIs by country or data type.

What it does

  • Address validation and standardization โ€” production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search โ€” centroid haversine and true spatial polygon intersection. Returns ZIPs/FSAs within range, with per-result pct_inside overlap percentage for spatial queries
  • Unified lookup endpoint โ€” accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead โ€” cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance โ€” between any two postal points
  • Census ACS demographics โ€” 2011โ€“2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups โ€” Census tracts, congressional districts, state legislative areas, school districts โ€” with computed intersection percentages per ZIP

What makes it different

  • Licensed commercial data โ€” not commodity or scraped sources
  • Canadian postal coverage โ€” most peers in this space are US-only
  • True spatial radius โ€” not just centroid haversine
  • 14 years of historical ACS depth via API โ€” unusual outside of raw Census downloads
  • One endpoint for all of North America โ€” no country-detection or input-routing logic to maintain on the client side

Pricing

  • Free โ€” 2,500 lookups/day, no credit card required, no expiry
  • Developer โ€” $49/mo, 100K credits, 300/min
  • Professional โ€” $149/mo, 350K credits, 300/min
  • Business โ€” $499/mo, 1.5M credits, 600/min
  • Credit packs โ€” one-time, from 25K ($19) up to 2M ($799)

Resources

  • Online Convert Landing page
    Landing page //
    2023-03-24

ZIP Code API features and specs

  • Comprehensive ZIP Code Data
    The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
  • Multiple Lookup Options
    The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
  • Easy Integration
    The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
  • Distance and Radius Calculations
    The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
  • Well-Documented Endpoints
    The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

Online Convert features and specs

  • User-Friendly Interface
    The website is designed to be straightforward and easy to use, making it accessible even for those with limited technical skills.
  • Variety of Formats
    Supports conversion between a wide range of file formats, including documents, images, audio, video, and more.
  • No Software Installation
    All conversions are done online, eliminating the need for downloading and installing software on your computer.
  • Free to Use
    Offers a free-tier service that allows users to convert files without any cost.
  • Quick Processing
    The conversion process is generally fast, allowing users to quickly obtain their converted files.
  • Accessibility
    Being an online tool, it can be accessed from any device with an internet connection.

Possible disadvantages of Online Convert

  • File Size Limitation
    Free-tier users may face limitations on the size of the files they can upload and convert.
  • Ads
    The free version of the service is supported by advertisements, which can be intrusive at times.
  • Privacy Concerns
    As files need to be uploaded to the server for conversion, there could be concerns about data privacy and security.
  • Internet Dependency
    Requires a stable internet connection to use the service, which can be an issue for users with poor connectivity.
  • Advanced Features
    Advanced features and higher file size limits are only available through a paid subscription.
  • Quality Variability
    The quality of converted files can sometimes be inconsistent, depending on the original file and the desired format.

Analysis of ZIP Code API

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

Analysis of Online Convert

Overall verdict

  • Online Convert is considered a good choice for users who need a reliable and efficient online file conversion tool. While some users may prefer desktop applications for more intensive tasks, Online Convert meets the needs of most users looking for quick and easy conversions.

Why this product is good

  • Online Convert is a popular tool due to its wide range of supported file formats and ease of use. It allows users to convert various types of media, including audio, video, images, documents, and more, without requiring any software installation. The platform offers a straightforward interface and typically handles conversions quickly. Additionally, it provides advanced options for customizing output settings.

Recommended for

    Online Convert is recommended for individuals or businesses that need to perform occasional file conversions without installing additional software. It's ideal for users who prioritize convenience and versatility in terms of supported file formats.

Category Popularity

0-100% (relative to ZIP Code API and Online Convert)

ZIP Code API

Online Convert

Zip Lookup
100 100%
Zip Lookup
0% 0
File Converter
0 0%
File Converter
100% 100
APIs
100 100%
APIs
0% 0
PDF Tools
0 0%
PDF Tools
100% 100

User comments

Share your experience with using ZIP Code API and Online Convert. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Online Convert seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ZIP Code API mentions (0)

We have not tracked any mentions of ZIP Code API yet. Tracking of ZIP Code API recommendations started around May 2026.

Online Convert mentions (5)

  • help me please
    I've totally used online conversion tools, so I'm not knocking them entirely (I've personally used online-convert.com for years now). Assuming no personal information, using them for a quick conversion for images or documents is great (check the settings!). Source: about 3 years ago
  • Best way to convert .mkv to .mp4?
    Online-Convert for Web is a service that's trusted by many big brands and that I use for a lot of stuff, and it's worked very well for me. Only thing is you can't convert YT videos. Source: over 4 years ago
  • Can no longer save images from Poshmark?
    Add the extension "online-convert.com" to Chrome. When you run across an image like this right click and scroll down to the "file converter" option, then select "convert image to image". You'll have the option of converting it to many different image formats. You can also convert docs, pdfs, etc. It's a great free extension that I use often. HTH! Source: over 4 years ago
  • File Conversions and Connections - feature request?
    Gotcha.. they seem to be talking about coding a built in converter which would kinda suck and yeah all the issues mentioned there would prop up, I think using something already built is more ideal, there doesn't seem to be a usable open library so I was going down the road of using the online-convert.com api.. Depending on an external service also has it's cons, but gets you there with less code and dependencies. Source: about 5 years ago
  • Is it safe to upload a book ?
    Each file (video/audio/ebook or whatever) has a MD5 hash which can be used to identify it. To change the hash, what you can do is change it to another format - Say if it is epub, AWZ, Lit or Docx - you can convert it to PDF or any other format using online converters like online-convert.com and then you can upload the coverted file. Source: over 5 years ago

What are some alternatives?

When comparing ZIP Code API and Online Convert, you can also consider the following products

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

CloudConvert - convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Convertio - File Conversion in the Cloud

PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Zamzar - Free conversion online of many type of documents (images, text, video, audio...

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