Skip to content

Best alternatives to XSLT Prism - XSLT Polyfill, XML Viewer & XSLT Tester (2026)

10 Chrome extensions that do a similar job to XSLT Prism, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

XSLT Prism - XSLT Polyfill, XML Viewer & XSLT Tester today

≈8K users5.0★ from 30 ratingsUpdated 3 days ago5 permissions

XSLT Prism alternatives, compared

  1. 1

    XSLT Browser Support - XSLT Polyfill, XML Viewer & Tester

    An XSLT polyfill for Chrome: renders styled XML, RSS feeds and sitemaps, restores XSLTProcessor, plus an XML viewer and XSLT tester.

    ≈50K users4.8★ from 18 ratingsUpdated 8 days ago7 permissions
    • About 6.3× more users than XSLT Prism
    • Asks for more permissions (7 vs 5)
  2. 2

    XMLNest – XML Viewer & XSLT Polyfill

    Free XML viewer & formatter: read XML files, RSS feeds and sitemaps clearly, and see XSLT pages again. Private, no ads, no account.

    ≈3K users4.5★ from 15 ratingsUpdated 4 days ago3 permissions
    • About 2.7× fewer users than XSLT Prism
    • Asks for fewer permissions (3 vs 5)
  3. 3

    XSLT Polyfill

    Applies an XSLT polyfill to all XML documents.

    ≈100K users4.3★ from 11 ratingsUpdated 3 days agoNo special permissions
    • About 13× more users than XSLT Prism
    • Asks for fewer permissions (0 vs 5)
  4. 4

    XML Viewer

    Open the XML file quickly and for free

    ≈300K users2.4★ from 254 ratingsUpdated 3 months agoNo special permissions
    • About 38× more users than XSLT Prism
    • Rated 2.6 stars lower
    • Updated less recently
    • Asks for fewer permissions (0 vs 5)
    • Listed under Workflow & Planning
  5. 5

    XML Viewer

    Open the XML file quickly and for free

    ≈40K users1.7★ from 26 ratingsNot updated for 3+ yearsNo special permissions
    • About 5.0× more users than XSLT Prism
    • Rated 3.3 stars lower
    • Updated less recently
    • Asks for fewer permissions (0 vs 5)
    • Listed under Workflow & Planning
  6. 6

    view xml file | XML Formatter

    Powerful, user-friendly XML Formatter is an extension for working with XML format. Combines functions - XML validator and beautifier

    ≈6K users4.6★ from 14 ratingsUpdated 8 months ago4 permissions
    • A similar number of users to XSLT Prism
    • Updated less recently
    • Asks for fewer permissions (4 vs 5)
    • Listed under Developer Tools
  7. 7

    API Tester

    Rest API Tester is an easy api testing tool. Streamline your software development and test api online with this Chrome extension.

    ≈2K users5.0★ from 6 ratingsUpdated 8 months ago8 permissions
    • About 4.0× fewer users than XSLT Prism
    • Updated less recently
    • Asks for more permissions (8 vs 5)
    • Listed under Developer Tools
  8. 8

    Talend API Tester - Free Edition

    Visually interact with REST, SOAP and HTTP APIs.

    ≈600K users4.8★ from 4.3K ratingsUpdated 6 days ago9 permissions
    • About 75× more users than XSLT Prism
    • Asks for more permissions (9 vs 5)
    • Listed under Developer Tools
  9. 9

    API Tester - REST Client Testing Tool

    Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Google Chrome Web Store.

    ≈10K users2.7★ from 9 ratingsNot updated for 3+ years6 permissions
    • A similar number of users to XSLT Prism
    • Updated less recently
    • Asks for more permissions (6 vs 5)
    • Listed under Developer Tools
  10. 10

    JSON Viewer Pro

    A powerful JSON viewer and formatter that offers advanced features for developers and data analysts to visualise and analyse JSON

    ≈300K users4.5★ from 219 ratingsUpdated 2 days ago3 permissions
    • About 38× more users than XSLT Prism
    • Rated 0.5 stars lower
    • Asks for fewer permissions (3 vs 5)
    • Listed under Developer Tools

XSLT Prism alternatives: questions

What is the best alternative to XSLT Prism?

By users, the most popular alternative is Talend API Tester - Free Edition with ≈600K users and a 4.8-star rating. The closest match by what it does is XSLT Browser Support - XSLT Polyfill, XML Viewer & Tester.

Which XSLT Prism alternative has the best rating?

Talend API Tester - Free Edition has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 4.3K ratings.

Is there a XSLT Prism alternative that asks for fewer permissions?

XSLT Polyfill asks for 0 permissions, against 5 for XSLT Prism.

How many alternatives to XSLT Prism are there?

We list 10 close alternatives to XSLT Prism on the Chrome Web Store, picked by what they do and ranked by how close they are.

Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.