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Cloudflare Workers: Free Isolated Branch Previews & 64 MiB Bundle Limit

Cloudflare announced Worker Previews, enabling developers to run branch-isolated preview environments via Wrangler without provisioning separate staging infrastructure or incurring additional deployment charges. In parallel, Cloudflare removed compressed deployment checks and raised bundle allowances to 64 MiB uncompressed for all free and paid developers.

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Claim Value
100% Free Branch Previews + 64 MiB Deployment Limit
100% Savings
Claim Offer Now
Last verified: Oct 1, 2026

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How to Claim This Offer

  1. 11. Update the local Wrangler CLI to the latest version ('npm install -g wrangler@latest').
  2. 22. Log in to your Cloudflare account using 'wrangler login'.
  3. 33. Execute 'npx wrangler preview' inside your Worker project repository to spawn your isolated preview environment.

Key Offer Highlights

  • Isolated per-branch preview URLs generated instantly via 'npx wrangler preview'
  • Deployment bundle cap increased from 3 MB compressed to 64 MiB uncompressed on free plans
  • Full observability and isolated KV/D1 state without secondary cloud fees

Eligibility Requirements

Target Audience: Developers & Software Engineers

Allowed Countries:
🌍Available Worldwide (Global)

Provider Information

Company: Cloudflare

Platform: ALL

Deal Source: Cloudflare Developer Platform Release Changelog

Editorial & Affiliate Disclosure

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