Firefox

JSON Formatter

by Arnav Kumar · more by this developer →
Topics Developer tools

JSON Formatter has 3,595 daily users (+2.4% this week), rated 5.0 from 6 ratings, #159 of 14,835 in Web Development.

View in the Firefox store ↗
Daily users
3,595
+82 (+2.4%) a week, measured over 12 days
Rating
5.0
6 ratings
+0 ratings a week, measured over 12 days
Rank on Firefox
#1,533
of 629,366
Version
2.1.18
Last updated 2026-03-11
Weekly downloads
69

Description

Formats JSON automatically! Open Source, Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more.

Reviews In every language.

From 6 ratings.

  1. ★★★★★ lambrice · 2 Mar 2026 · v2.1.15
    Awesome extension! Formats my JSONs beautifully, lots of different styles to choose from
  2. ★★★★★ Firefox user 16452449 · 11 Apr 2024 · v2.0.3.0
    Great extension. Thank you

Search Firefox reviews - every stored review from the store, not only this listing's.

Growth change in installs

Per Growth Growth % Actual change Measured over
day -72 -2.0% -73 1 days
week +82 +2.4% +143 12.2 days
month Not enough history yet
year Not enough history yet
How these figures are measured

Change in installs, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.

Daily users3,595
2026-09-28 · 3,451 2026-10-25
Ratings6
2026-09-28 · 6 2026-10-25
Average rating5.0
2026-09-28 · 5.0 2026-10-25
Weekly downloads69
2026-09-28 · 71 2026-10-25

Alternatives to JSON Formatter

Name Daily users Rating
Basic JSON Formatter by Dr. McKay 2,071 4.6
JSON Lite by Lauri Rooden 9,878 4.4
JSON Viewer Pro by bIONArAq 1,092 4.3
JSON-handle by stonepurple 980 4.1
JSON Viewer by li0ard 798 3.5
JSON Beautifier & Editor by Joe Ertaba 661 3.8
HAR/JSON viewer by Savr Goryaev 621 5.0
JSON Beautify It by Igor Lazarev 414 3.6
JSON-LD Schema Extractor by FlorianD 383 5.0
JSON Editor by fractalf 340 4.3

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