Browser extension · Vendor site 2026-10-04
Builds are published for Chrome, Edge, Firefox, and Opera from Chris Pederick’s official download page.
Web developers and QA engineers who want in-browser inspection, validation, and bulk checkbox helpers while testing pages.
Capabilities depend on each browser’s extension APIs; the page lists version 3.0.1 builds updated June 2024 for Chromium browsers.
Web Developer bundles common diagnostics and manipulation actions into a browser toolbar so testers can validate pages without leaving the tab.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Browser support | Product page provides downloads for Chrome, Edge, Firefox, and Opera. | Facts sourced | 2026-10-04 |
| Toolbar scope | Page describes a Web Developer extension adding assorted web authoring and debugging tools to the browser. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Downloads are offered free with optional donations; no subscription is listed on the Web Developer product page.
PingzoPingzo monitors websites and APIs with multi-region checks, cron heartbeats, and instant alerts through the official WhatsApp Business API plus Telegram, Slack, and Discord. Structured pricing on the homepage lists Free, Starter, Pro, and Agency USD plans with public status pages and SSL tracking.
Explore tool
ShotpipeShotpipe is a hosted screenshot and Open Graph image API that renders PNG, JPEG, or PDF captures of any URL—including user-submitted pages—via signed requests and edge caching. The marketing site emphasizes SSRF-safe headless Chrome rendering, cached hits free of charge, and Stripe checkout to raise API key limits across free through agency quotas.
Explore tool
Pre.devpre.dev is a long-horizon coding agent that plans, builds, and verifies software over extended runs in the browser or terminal. It connects to many SaaS tools, publishes previews, and sells separate RL coding tasks to AI labs through pre.dev Labs.
Explore toolThe practical questions
Builds are published for Chrome, Edge, Firefox, and Opera from Chris Pederick’s official download page.
Downloads are offered free with optional donations; no subscription is listed on the Web Developer product page.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
Capabilities depend on each browser’s extension APIs; the page lists version 3.0.1 builds updated June 2024 for Chromium browsers.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.