14 tools
GA4 & GTM tools for technical marketers
Audits, a tag debugger with scheduled monitoring, container scanning, measurement planning, UTM building, and access governance — built for the people who actually implement tracking.
- 14 tools
- 3 with no sign-up
- Free to start
- Read-only Google access
No sign-up
Try these without an account
3 tools work right on their page — no sign-up, no Google connection, nothing to install.
- 01GTM VisualizerUpload a container export and see an interactive map of every tag, trigger, and variable dependency.Open
- 02GTM Container ScannerScan any public GTM container by ID — no access required. Reveals tags, triggers, variables, and sub-containers.Open
- 03Payload DecoderPaste any GA4, GTM, or Measurement Protocol request and see every parameter explained in plain English.Open
01 — 7 tools
Tag management
Debug, audit, scan, and map Google Tag Manager containers.
GA4 Tag Debugger
Watch GA4 and GTM hits fire in real time, record the journey, then replay it on a schedule with screenshot alerts.
GTM Audit Tool
50+ automated checks across tags, triggers, variables, Consent Mode v2, and security — web and server-side containers.
GTM Container Manager
Browse live web and server-side containers, trace dependencies, clone versions across containers, and export JSON.
GTM Visualizer
Upload a container export and see an interactive map of every tag, trigger, and variable dependency.
GTM Container Scanner
Scan any public GTM container by ID — no access required. Reveals tags, triggers, variables, and sub-containers.
Payload Decoder
Paste any GA4, GTM, or Measurement Protocol request and see every parameter explained in plain English.
GA4 Custom Dimension Checker
Compare GTM event parameters against GA4 custom dimensions to find what is sent but never registered.
02 — 4 tools
Analytics
Audit, monitor, and manage GA4 properties.
GA4 Audit Tool
Run an automated Google Analytics 4 audit across 18+ checks and get a scored report with the exact fix for each issue.
GA4 Anomaly Detection
Automated GA4 monitoring that emails you the moment sessions, conversions, or revenue drop past your thresholds.
GA4 Property Manager
Inspect a GA4 property’s full admin configuration, edit writable settings inline, and manage annotations.
GA4 Property Connector
Connect Google once and pin the GA4 properties Tagfire tracks — the setup step every other GA4 tool builds on.
03 — 3 tools
Campaigns, governance & workflow
Consistent UTMs, a clear view of who has access, and your reference links in one place.
UTM Builder
Build consistent UTM campaign links with templates, bulk generation, QR codes, and saved link history.
GA4 & GTM Access Audit
See who has admin, editor, and viewer rights across every GA4 property and GTM container, and export the report.
Analytics Bookmarks
Keep solution designs, implementation guides, and client docs organized by type and client in one place.
Get started
One account, every tool
Connect Google once and audits, monitoring, and the rest work against your properties immediately. Free to start, no credit card.