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Best alternatives to GASE — The modern IDE for Google Apps Script. (2026)

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

GASE: reviews, users and permissionsBest Developer Tools extensions

GASE — The modern IDE for Google Apps Script. today

≈6K users4.3★ from 12 ratingsUpdated 3 weeks ago5 permissions

GASE alternatives, compared

  1. 1

    Black Apps Script

    This extension brings new functionality to the Google Apps Script Monaco Editor

    ≈20K users4.8★ from 53 ratingsNot updated for 2+ years3 permissions
    • About 3.3× more users than GASE
    • Updated less recently
    • Asks for fewer permissions (3 vs 5)
    Black Apps Script alternativesCompare side by side
  2. 2

    Google Apps Script Tools

    Enhanced development environment for Google Apps Script with custom themes and tools.

    ≈60K users2.8★ from 32 ratingsUpdated 5 months ago22 permissions
    • About 10× more users than GASE
    • Updated less recently
    • Asks for more permissions (22 vs 5)
    Google Apps Script Tools alternativesCompare side by side
  3. 3

    Google Apps Script Tools Mod

    Enhances Google Apps Script editor with advanced search and replace. Based on extension 'Google Apps Script Tools' by Rubén Sánchez.

    ≈1K users3.7★ from 3 ratingsUpdated 4 weeks ago3 permissions
    • About 6.0× fewer users than GASE
    • Asks for fewer permissions (3 vs 5)
    Google Apps Script Tools Mod alternativesCompare side by side
  4. 4

    GAS Prettier + AI Completion

    Google Apps Script Prettier Formatter Chrome Extention with AI Completion

    ≈1K users4.0★ from 4 ratingsUpdated 22 months ago2 permissions
    • About 6.0× fewer users than GASE
    • Updated less recently
    • Asks for fewer permissions (2 vs 5)
    GAS Prettier + AI Completion alternativesCompare side by side
  5. 5

    Code Formatter - JSON, CSS & JavaScript

    Code Formatter – all-in-one extension offering sophisticated syntax highlighting for CSS, JSON, and JavaScript.

    ≈4K users3.6★ from 23 ratingsUpdated 9 months ago6 permissions
    • About 1.5× fewer users than GASE
    • Updated less recently
    • Asks for more permissions (6 vs 5)
    Code Formatter alternativesCompare side by side
  6. 6

    Modern for Wikipedia

    Wikipedia gets a beautiful, clean, modern interface.

    ≈10K users4.6★ from 188 ratingsUpdated 18 months ago3 permissions
    • About 1.7× more users than GASE
    • Updated less recently
    • Asks for fewer permissions (3 vs 5)
    • Listed under Workflow & Planning
    Compare side by side
  7. 7

    AppsScript Color

    Provides folders display and a dark color theme to the google apps script editor.

    ≈30K users4.6★ from 154 ratingsNot updated for 3+ years2 permissions
    • About 5.0× more users than GASE
    • Updated less recently
    • Asks for fewer permissions (2 vs 5)
    AppsScript Color alternativesCompare side by side
  8. 8

    goormIDE: Powerful Code Editor with Container

    The Powerful Cloud-based IDE Service

    ≈8K users4.5★ from 24 ratingsNot updated for 4+ years3 permissions
    • A similar number of users to GASE
    • Updated less recently
    • Asks for fewer permissions (3 vs 5)
    goormIDE alternativesCompare side by side
  9. 9

    Apps Script Source Export

    Export your Google Apps Script project's source code as a ZIP file.

    ≈1K users4.5★ from 2 ratingsUpdated 3 weeks agoNo special permissions
    • About 6.0× fewer users than GASE
    • Asks for fewer permissions (0 vs 5)
    Compare side by side
  10. 10

    Colab Themes

    Changes the appearance of Google Colab!

    ≈3K users4.4★ from 16 ratingsNot updated for 4+ years3 permissions
    • About 2.0× fewer users than GASE
    • Updated less recently
    • Asks for fewer permissions (3 vs 5)
    Colab Themes alternativesCompare side by side

GASE alternatives: questions

What is the best alternative to GASE?

By users, the most popular alternative is Google Apps Script Tools with ≈60K users and a 2.8-star rating. The closest match by what it does is Black Apps Script.

Which GASE alternative has the best rating?

Black Apps Script has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 53 ratings.

Is there a GASE alternative that asks for fewer permissions?

Apps Script Source Export asks for 0 permissions, against 5 for GASE.

How many alternatives to GASE are there?

We list 10 close alternatives to GASE 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.