JSON Formatter vs Web Developer Form Filler: Which Is Safer?
At a glance: verified facts
| Fact | JSON Formatter | Web Developer Form Filler |
|---|---|---|
| Published by | jsonlint.com | formfiller |
| Publisher public | Yes | Yes |
| Policy changes we track | None detected | None detected |
| Last data check | 2026-06-19 | 2026-07-14 |
From public records (the extension's store listing, publisher registry, manifest metadata) and our policy snapshots — a "—" means we have no verified data for that field yet.
What the evidence shows
Both are developer tools extensions we track. Comparing the 5 safety dimensions measured for both:
- On publisher & identity, the two are evenly matched (60% vs 60%).
- JSON Formatter leads on permissions & access (100% vs 75%).
- On data & privacy, the two are evenly matched (83% vs 83%).
- JSON Formatter leads on maintenance & ownership (85% vs 30%).
- On community reputation, the two are evenly matched (74% vs 74%).
Safety score breakdown
| Dimension | JSON Formatter | Web Developer Form Filler |
|---|---|---|
| Publisher & Identity | 4.8/8 | 4.8/8 |
| Permissions & Access | 24.99/25 | 18.74/25 |
| Data & Privacy | 13.2/16 | 13.2/16 |
| Maintenance & Ownership | 6.38/7.5 | 2.25/7.5 |
| Community Reputation | 7.4/10 | 7.4/10 |
| Total | 85.37/100 | 69.76/100 |
Frequently asked questions
Is JSON Formatter safer than Web Developer Form Filler?
JSON Formatter currently scores higher — 85/100 vs 70/100 — across the 5 safety dimensions measured for both. That covers documented evidence only, not features or pricing.
Is JSON Formatter safe?
JSON Formatter currently holds safety grade A (85/100) based on 5 of 5 safety dimensions, and is published by jsonlint.com. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
Is Web Developer Form Filler safe?
Web Developer Form Filler currently holds safety grade B (70/100) based on 5 of 5 safety dimensions, and is published by formfiller. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
More Developer Tools extension comparisons
How this comparison works
Both extensions are scored with the same five-dimension, 100-point rubric — publisher & identity, permissions & access, data & privacy, maintenance & ownership and community reputation — using documented evidence only; a dimension with no evidence stays unscored instead of guessed. Read the full reports: JSON Formatter safety report · Web Developer Form Filler safety report, or run any other extension through the safety check.