JSON Formatter vs Modify Header Value (HTTP Headers): Which Is Safer?

JSON Formatter logo JSON Formatter A

85.37/100

Higher safety score

At a glance: verified facts

FactJSON FormatterModify Header Value (HTTP Headers)
Published by jsonlint.com Grephy
Publisher public Yes Yes
Policy changes we track None detected None detected
Last data check 2026-06-19 2026-06-19

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:

Safety score breakdown

DimensionJSON FormatterModify Header Value (HTTP Headers)
Publisher & Identity 4.8/8 4.8/8
Permissions & Access 24.99/25 16.24/25
Data & Privacy 13.2/16 13.2/16
Maintenance & Ownership 6.38/7.5 7.5/7.5
Community Reputation 7.4/10 5.75/10
Total 85.37/100 71.41/100

Frequently asked questions

Is JSON Formatter safer than Modify Header Value (HTTP Headers)?

JSON Formatter currently scores higher — 85/100 vs 71/100 — 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 Modify Header Value (HTTP Headers) safe?

Modify Header Value (HTTP Headers) currently holds safety grade B (71/100) based on 5 of 5 safety dimensions, and is published by Grephy. 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 · Modify Header Value (HTTP Headers) safety report, or run any other extension through the safety check.