Coding tools that run in the terminal
Forty-plus code tasks with a starter prompt already written: containers, infrastructure, shells, cron, config files, schema and schema-shaped problems. Open one, the terminal boots with the prompt pre-loaded, and the placeholder caps are yours to fill in. No account, no key, no install.
BOOT THE TERMINAL →80 CODE tools
AI Server Log Analyzer — Instant Crash & Nginx Log Diagnostic
Paste raw Nginx, Apache, systemd, or Docker error logs to receive immediate root-cause diagnosis, affected IP patterns, and CLI fixes. Free, no upload limits.
AI Regex Generator & Visual Explainer — PCRE, JS, Python Regex
Describe the pattern you need or paste an unreadable regular expression. Get working regex patterns with regex101-style breakdown and test fixtures.
AI Cron Expression Generator & Schedule Decoder — Free Crontab Helper
Convert human schedules into standard 5-part crontab expressions or decode complex legacy cron schedules into readable plain English with next execution runs.
Curl to Python, JS, Rust Converter — AI API Request Generator
Turn raw curl command lines into idiomatic Python requests/httpx, Node/Fetch, Go, or Rust code. Handles headers, auth tokens, and complex JSON bodies cleanly.
AI Docker Compose Generator — Multi-Service Stack Architect
Specify your databases, caches, backend services, and reverse proxies. Get a production-ready docker-compose.yml with persistent volumes, networking, and health checks.
AI Python Script Generator — Free Online Code Tool
Describe the task in plain English and get a runnable Python script with validation, error handling, and usage examples. Free, anonymous, no login.
AI JavaScript Snippet Writer — Free, No Login
Get working JavaScript for DOM work, arrays, fetch calls, or utilities — modern syntax, explained line by line. Free anonymous terminal.
AI TypeScript Type Generator — Free Online Tool
Paste a JSON sample or describe a shape and get clean TypeScript interfaces and types. Free AI tool, no account needed.
AI React Component Generator — Free Web Tool
Describe the component and get a working React function component with hooks, props typing, and inline usage. Free, no sign-up.
AI Vue Component Writer — Free Online Tool
Get working Vue 3 components with script setup, props, emits, and reactive state. Free anonymous AI, no login required.
AI Next.js Route Builder — Free Code Tool
Generate Next.js app-router pages, API routes, and server actions with correct async patterns. Free tool from a public AI terminal.
AI Express Endpoint Generator — Free Online Tool
Describe a REST endpoint and get Express code with validation, error handling, and status codes. Free, anonymous, no account.
AI FastAPI Endpoint Writer — Free Python Tool
Get FastAPI routes with Pydantic models, dependency injection, and automatic docs notes. Free AI helper, no login required.
AI Flask App Generator — Free Online Tool
Sketch a small Flask app — routes, templates, and config — with secure defaults from the first line. Free anonymous terminal.
AI Django Model Helper — Free Online Tool
Design Django models with the right fields, relations, indexes, and a matching admin registration. Free, no sign-up.
AI CSS Layout Generator — Free Online Tool
Describe the layout you need and get modern CSS — flexbox, grid, or both — that actually behaves responsively. Free, no login.
AI Flexbox Helper — Free Online CSS Tool
Fix centering, spacing, and stretch problems with the exact flexbox properties your layout needs. Free anonymous AI tool.
AI CSS Grid Generator — Free Online Tool
Get grid-template definitions for magazine layouts, dashboards, and sidebars with named areas and responsive collapse.
AI Tailwind CSS Helper — Free Online Tool
Get the right Tailwind utility classes for a component design — spacing, color, and responsive prefixes included. Free, no login.
AI HTML Template Generator — Free Web Tool
Get a clean, accessible HTML5 skeleton — semantic tags, meta tags, and structure — for any page type. Free anonymous tool.
AI Form Validation Writer — Free Online Tool
Get client and server validation logic for any form — clear rules, helpful messages, no library bloat. Free, no account.
AI Chart Code Generator — Free Online Tool
Describe the data and get a ready-to-drop chart — SVG, Canvas, or your chart library — with axes and tooltips.
AI Bug Fixer — Free Online Debugging Tool
Paste the code and the wrong behavior. Get the root cause, the minimal fix, and a test that proves it. Free anonymous AI.
AI Stack Trace Reader — Free Online Tool
Paste any stack trace and get a plain-English explanation of the failure path and where to look first. Free, no login.
AI Error Message Explainer — Free Online Tool
Paste an error message and get what it means, why it happens, and the three most likely fixes ranked. Free AI tool.
AI Git Command Helper — Free Online Tool
Say what you want to do in Git and get the exact command sequence with a warning before anything destructive. Free, no login.
AI Git Rebase Guide — Free Online Tool
Get a safe, step-by-step rebase or merge-conflict plan for your exact branch situation. Free anonymous AI helper.
AI GitHub Actions Writer — Free Online Tool
Get a correct workflow YAML — triggers, caching, matrix builds, and secrets — for your CI job. Free, no sign-up.
AI Dockerfile Generator — Free Online Tool
Get a small, layered Dockerfile with a non-root user and a proper entrypoint for your stack. Free anonymous tool.
AI Docker Compose Writer — Free Online Tool
Get a compose file with the right services, networks, volumes, health checks, and dependency ordering. Free, no login.
AI Kubernetes Manifest Writer — Free Tool
Get deployments, services, and configmaps with correct probes, resources, and rolling-update strategy. Free online helper.
AI Terraform Writer — Free Online Tool
Describe the infrastructure and get Terraform with variables, outputs, and sensible tagging. Free anonymous AI, no login.
AI Bash Script Generator — Free Online Tool
Get a robust shell script — set -e, quoting, argument parsing, and logging — for any automation task. Free, no account.
AI Cron Expression Builder — Free Online Tool
Say when the job should run in plain English and get the cron expression plus the next three run times explained.
AI Nginx Config Generator — Free Online Tool
Get nginx server blocks, proxies, and redirects with the security and caching headers you actually want. Free tool.
AI Systemd Unit Writer — Free Online Tool
Get a hardened systemd service unit — restart policy, dependencies, sandboxing options — for your daemon. Free, no login.
AI API Design Helper — Free Online Tool
Sketch a REST API — resources, routes, verbs, status codes, and versioning — that will not hurt to maintain. Free AI tool.
AI REST Call Generator — Free Online Tool
Get correct code for calling any REST API — auth headers, timeouts, retries, and response handling. Free anonymous terminal.
AI GraphQL Query Writer — Free Online Tool
Describe the data you need and get a valid GraphQL query or mutation with variables and fragments. Free, no sign-up.
AI WebSocket Code Generator — Free Tool
Get working WebSocket server and client code — connection lifecycle, reconnect, and message protocol. Free online helper.
AI JWT Helper — Free Online Tool
Decode a JWT header and payload, verify its signature steps, and spot expiry or algorithm issues. Free anonymous tool.
AI OAuth Flow Explainer — Free Online Tool
Get the exact grant type and endpoint sequence for your OAuth integration, with the pitfalls that bite in production.
AI CORS Fixer — Free Online Tool
Paste the CORS error and your server config — get the cause and the correct headers, not a blanket allow-all. Free tool.
AI Rate Limiter Design — Free Online Tool
Pick and implement the right rate-limiting strategy — token bucket, fixed window, or sliding — for your API. Free.
AI Caching Strategy Helper — Free Online Tool
Decide what to cache, where, and how to invalidate — keys, TTLs, and stampede protection. Free anonymous AI tool.
AI Database Schema Designer — Free Online Tool
Describe your entities and get a normalized schema — keys, constraints, and the indexes queries will want. Free, no login.
AI Postgres Index Helper — Free Online Tool
Get the right Postgres indexes for your slow queries — btree, partial, or composite — with EXPLAIN reasoning. Free tool.
AI MongoDB Aggregation Builder — Free Tool
Turn a plain-English question into a MongoDB aggregation pipeline with the right stages and indexes. Free, no account.
AI Redis Helper — Free Online Tool
Get the right Redis commands and data structures for caching, queues, or counters — with TTL discipline. Free tool.
AI Migration Writer — Free Online Tool
Get a reversible migration for your schema change — up and down paths, with a data-backfill plan. Free anonymous AI.
AI JSON Transformer — Free Online Tool
Paste any JSON and describe the shape you need — get the transform code and the reshaped result. Free, no sign-up.
AI CSV Converter — Free Online Tool
Convert CSV to JSON, SQL, or Markdown tables — with quoting, type inference, and delimiter headaches handled. Free.
AI YAML Writer — Free Online Tool
Get valid, commented YAML for CI, Docker, or Kubernetes with correct indentation and anchors where they help. Free tool.
AI Environment Setup Guide — Free Online Tool
Get a setup script and env template for your stack — versions, PATH, and the variables each service needs. Free.
AI Logging Setup Helper — Free Online Tool
Design structured logging for your app — levels, formats, and what to log without leaking secrets. Free anonymous tool.
AI Error Handling Patterns — Free Online Tool
Get the error-handling pattern that fits your language — custom errors, wrapping, and where to catch. Free, no login.
AI Async Refactoring Helper — Free Online Tool
Turn callback pyramids or promise chains into clean async code — with the gotchas explained. Free anonymous AI tool.
AI Algorithm Helper — Free Online Tool
Design an algorithm from requirements — approach, complexity, and edge cases before code. Free, no account.
AI Big-O Analyzer — Free Online Tool
Paste code and get its time and space complexity with the reasoning line by line. Free anonymous terminal helper.
AI Data Structure Picker — Free Online Tool
Describe your access pattern and get the right data structure with the why. Free online AI helper, no login.
AI LeetCode Partner — Free Online Tool
Work through interview problems with hints first, then the solution — pattern recognition, not memorized answers.
AI Coding Interview Simulator — Free Tool
Practice a realistic coding interview — the question, follow-ups, and honest scoring of your answer. Free, no login.
AI Linter Setup — Free Online Tool
Get a modern linter and formatter config for your stack — strict where it counts, quiet where it does not. Free tool.
AI CI Pipeline Builder — Free Online Tool
Get a full CI pipeline — lint, test, build, artifact — for your repo and runner. Free anonymous AI, no account.
AI Dependency Upgrader — Free Online Tool
Plan a risky dependency upgrade — order, breaking changes, and the test gate for each step. Free online helper.
AI Changelog Decoder — Free Online Tool
Paste a changelog and your usage — get the exact changes that hit you and the fixes. Free anonymous terminal tool.
AI Legacy Code Refactorer — Free Tool
Plan a safe refactor of messy code — seams, tests first, and steps small enough to verify. Free, no login required.
AI Code Translator — Free Online Tool
Translate working code between languages — Python to Go, JS to Rust — with idiomatic output, not literal copies.
AI Web Scraper Writer — Free Online Tool
Get a polite, robust scraper — selectors, rate limits, retries, and parsing — with the legal-adjacent etiquette notes.
AI Puppeteer Script Generator — Free Tool
Get Playwright or Puppeteer automation — waits, selectors, screenshots — that does not flake. Free anonymous tool.
AI E2E Test Writer — Free Online Tool
Get end-to-end tests that survive UI tweaks — stable selectors, assertions, and cleanup. Free, no sign-up.
AI Code Speedup Helper — Free Online Tool
Find why code is slow and fix it — measurement first, micro-optimizations only where they matter. Free AI tool.
AI Memory Leak Finder — Free Online Tool
Trace memory leaks — retained references, listeners, caches — with a diagnosis plan for your runtime. Free.
AI Concurrency Bug Fixer — Free Tool
Diagnose race conditions and deadlocks — interleaving, locks, and the fix that keeps throughput. Free online helper.
AI Security Review — Free Online Tool
Review code against the OWASP basics — injection, auth, XSS, secrets — with severity-ranked findings. Free tool.
AI Makefile Generator — Free Online Tool
Get a Makefile with the targets you actually need — build, test, clean — plus .PHONY and parallel-safe rules.
AI package.json Helper — Free Online Tool
Design npm scripts that compose — dev, build, test, release — without script spaghetti. Free anonymous AI tool.
AI Monorepo Setup — Free Online Tool
Plan a monorepo — tool choice, workspace layout, shared config, and CI that only builds what changed. Free.
AI Line-by-Line Code Explainer — Free Tool
Paste any code and get a line-by-line explanation at the depth you choose — beginner to senior. Free, no login.
AI Refactor Planner — Free Online Tool
Get a refactor plan for working code — extract, rename, simplify — in verified small steps. Free anonymous tool.
How these work
Every tool here is a prompt plus a shape: the page tells you what to substitute and what a good answer looks like. Nothing is stored server-side, so a snippet you paste stays on your device unless you deliberately publish the result.
Tool channels
The index is split by channel so each page can carry its tools properly instead of listing all of them at once.
CODE · current
80 tools in this channel.
RESEARCH
61 tools in this channel.
WRITING
71 tools in this channel.
PLANNING
35 tools in this channel.
CREATIVE
29 tools in this channel.
UNCENSORED
5 tools in this channel.
Keep going
Real results from this terminal.
Recovered public transmissions. Read one, then fork its prompt into your own session.
Debugging a Failing SQL LEFT JOIN Query
The response provides a detailed and systematic diagnosis of a failing SQL query, including explanations of common issues and their fixes.
Analysis of Password Persistence and Future Predictions
The response explains the persistence of passwords, discussing economic factors, the FIDO2/passkey model, the recovery problem, and the impact of enterprise SSO
Incident Postmortem: 47-Minute Outage Due to Cascading Retry Storm
The response is a fictional 200-word incident postmortem summary for a 47-minute outage caused by a cascading retry storm, following a blameless postmortem stru