Free .gitignore generator for developers to create clean, deterministic ignore files for any tech stack in seconds
Stable domains for local development ports, eliminating conflicts with free open-source tunnels and paid cloud options
Stage
Not given
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free and Open Source: $0 (unlimited local tunnels, open source); Professional: $49/mo or $490/yr (unlimited cloud tunnels, visitor auth, feedback comments); Team: $149/mo or $1,490/yr (everything in Professional plus unlimited members, teams, shared subdomains, approvals, organization billing); Ente
Key features
228+ curated templates for languages, frameworks, tools, and IDEs
Combine multiple templates with automatic deduplication
Deterministic merging eliminates exact duplicates while preserving negation rules
100% client-side processing with instant generation
Copy or download generated .gitignore files
No account or registration required
Live syntax viewer with rule counts and categorized patterns
Safety guards protect Git metadata and critical project files
Templates seeded from GitHub's official gitignore repository
Stable local domains (*.portzero.local) for processes and containers
Cloud tunnels (*.tunnel.portzero.cloud) with HTTPS for LAN and internet access
Support for multiple programming languages
Git worktree support with per-branch URLs
AI agent integration with MCP server
Visitor authentication and access control
Feedback comments on live tunnels
Team access policies and approvals
Audit log (Enterprise plan)
Organization billing with no per-seat charges
What makes it different
Deterministic generation ensures selecting the same technology stack always produces identical output
Semantic deduplication preserves comments and context while removing exact duplicate lines
Zero-lag client-side processing with no server roundtrips
Seeded from official GitHub repository with supplementary curated layer for modern tools
Distraction-free monochrome interface with dark and light mode support
Eliminates port conflicts by assigning stable virtual domains instead of port numbers
Free and open source for local use; no additional cost for cloud features on paid plans
Flat pricing with no meters, overages, or per-seat charges
Agent-ready with native MCP server integration for AI coding agents
Works across multiple OS and languages with zero port bookkeeping required
DotGitIgnore
Port Zero