13 live tools β€” Command Gen, Mermaid, PDF, JWT, Diff, SQL, Timestamp, Colors, JSON, Regex, Cron & more

Tools that developers
actually use every day

No bloat. No accounts. No AI black boxes. Just sharp, focused tools that solve the repetitive parts of your workflow β€” instantly, in your browser.

130+
Commands
15
Categories
13
Live tools
100%
Free forever
programmershop.com/tools/command-generator
🌿 Git
🐳 Docker
☸ Kubernetes
🌐 cURL
πŸ”’ SSH & SCP
πŸ“¦ Packages
πŸ—„ Database
πŸ“‚ Filesystem
βš™ System
git add
git commit
git push
git pull
git log
git stash
git reset
git cherry-pick
Files to Stage *
Paste git status output here…
Interactive patch mode (-p)
Generated Command
$ git add \
backend/fastapi-ai/app/api/grading_copilot.py \
backend/flask-api/app/models.py \
docker-compose.yml

Developer tools

Each tool is a focused, standalone utility. No login, no data sent anywhere.

⌨
Live

Command Generator

Stop googling flags. Build git, Docker, Kubernetes, Terraform, AWS CLI, Redis and 100+ other commands through a clean form β€” then copy in one click.

  • 130+ commands Β· 15 categories
  • git status file picker
  • Multiline & single-line output
Open tool
🧠
Live

AI Workload Calculator

Pick a model (Llama 3, Mistral, DeepSeek, Qwen…), set your concurrency target and GPU, and instantly get VRAM requirements, tokens/sec, max concurrent sessions, and a deployment recipe.

  • 15+ OSS models (Llama, Mistral, Qwen…)
  • GPU sizing & scaling table
  • vLLM / Ollama / llama.cpp recipes
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πŸ“Š
Live

Mermaid Chart Gallery

Drop any .md, .mmd, or .txt file β€” every Mermaid diagram is auto-extracted and rendered as a zoomable image gallery. Download PNGs individually or let Gemini write a full slide deck for you.

  • Supports all 20+ diagram types
  • Lightbox zoom + keyboard nav
  • Gemini-powered PPT export
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πŸ“„
Live

Markdown β†’ PDF

Paste or upload any .md file and download a beautifully styled PDF β€” 5 themes, syntax-highlighted code blocks, tables, and custom page settings. No uploads, fully in-browser.

  • 5 themes: GitHub, Dark, Notion…
  • Syntax-highlighted code
  • A4 / Letter / A3 export
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πŸ”
Live

Base64 / JWT Decoder

Auto-detects JWTs vs Base64. Decode JWT headers & payloads, see expiry countdowns, flag expired tokens. Encode/decode Base64 with URL-safe support. Upload any file to Base64.

  • JWT expiry & claims viewer
  • Base64 encode + decode
  • URL-safe mode
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πŸ”€
Live

Diff Viewer

Paste two blocks of text, code, or JSON and get an instant line-by-line diff with green/red highlighting. Split or unified view, ignore whitespace, upload files directly.

  • Split & unified view
  • Ignore whitespace toggle
  • Upload any text file
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πŸ—„
Live

SQL Formatter

Paste messy SQL and get clean, indented output instantly. Supports MySQL, PostgreSQL, SQLite, T-SQL, PL/SQL and BigQuery. Configure keyword case, indent size, and more.

  • 7 SQL dialects
  • UPPER / lower keywords
  • Minify mode
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⏱
Live

Unix Timestamp

Live Unix timestamp with one-click copy. Paste any timestamp (seconds or ms) or ISO date to decode it into every format. World clock across 8 timezones, relative time, and date picker.

  • Live ticking clock
  • Auto seconds vs ms detect
  • World clock Β· 8 timezones
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🎨
Live

Smart Color Picker

Pick any color from your screen using the native EyeDropper API β€” grab pixels from any app or browser tab. Get HEX, RGB, HSL, CSS vars, Tailwind shades, and WCAG contrast ratios instantly.

  • EyeDropper: grab any screen pixel
  • Tailwind shade palette
  • WCAG AA/AAA contrast check
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{ }
Live

JSON Formatter

Format, minify, and explore JSON. Extracts every unique key path with type, nullability, and sample values. Infers the full schema, shows value-type distribution, nesting depth stats and more.

  • All unique key paths + types
  • Schema inference
  • Stats: depth, nulls, arrays
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πŸ”
Live

Regex Tester

Write and test regular expressions with live match highlighting, group captures, named groups, and a token-by-token explainer. Includes a library of 15 common patterns.

  • Live highlighted matches
  • Explain mode (token breakdown)
  • 15 pattern presets
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πŸ”‘
Live

ENV Generator

Build .env files visually with multi-environment support (dev/staging/prod). Validates keys, diffs across envs, and exports to .env, Docker, K8s Secret, Compose, or JSON.

  • Multi-env diff checker
  • Export: .env / K8s / Docker
  • Import existing .env
Open tool
⏰
Live

Cron Builder

Build cron expressions visually field-by-field or type raw expressions. See next 10 run times, human-readable description, and export to systemd timer, GitHub Actions, or K8s CronJob.

  • Visual field editor
  • Next 10 run times
  • Export systemd / GH Actions / K8s
Open tool

Something missing?

Got a repetitive command or workflow that deserves its own tool? Open an issue on GitHub and it might ship next.

Request a tool on GitHub