1612elphi

1612elphi / delphitools-cli

Public

indie toolkit for designers — colour, image, PDF, type, calc, all in one offline CLI

delphi.tools
14
2
100% credibility
Found May 29, 2026 at 15 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

delphitools-cli is a free, offline command-line toolkit for designers and developers. It bundles over 50 tools for colour work (converting, palettes, contrast checking), image manipulation (cropping, watermarking, background removal, format conversion), print production (PDF imposition, zine layouts, preflight checks), typography (unit conversion, font info, word counts), and general utilities (calculators, time tools, QR/barcode generation). Everything runs locally with no network calls or tracking. Users can pipe tools together, get JSON output for automation, or use the man pages for reference. The project is open-source under a permissive license and available via multiple package managers.

How It Works

1
💻 You install a handy toolkit

You download and install delphitools on your computer, getting a collection of tools for design, images, and text work.

2
🎨 You pick a tool for your project

You run a simple command like 'dt colour' to convert colours, 'dt crop' to resize images, or 'dt palette' to generate beautiful colour schemes.

3
✨ Everything works offline

No internet needed, no accounts to create, no tracking. Your work stays private and fast.

4
You choose your workflow
🎯
Creative work

Crop images, add watermarks, generate QR codes, and create print-ready layouts for your projects.

📊
Technical work

Convert units, calculate expressions, check colour contrast, and test regex patterns for your documents.

5
📄 You get your results instantly

The tool prints your output right away — whether it's a colour code, a resized image, or a formatted document.

🎉 Your project is ready

You finished your design task without switching apps or going online. Everything you needed was in one place, ready to use.

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Star Growth

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AI-Generated Review

What is delphitools-cli?

delphitools-cli is a Rust-based command-line toolkit for designers that packs colour conversion, image processing, PDF imposition, typography utilities, and calculators into a single offline binary. It runs entirely locally with zero network calls and zero telemetry. You pipe data in, get structured output back, and can opt into JSON for scripting. The project exposes three entry points — `delphi`, `delphitools`, and `dt` — so you pick whichever fits your muscle memory.

Why is it gaining traction?

The offline-first philosophy is the hook. This is explicitly built for the "handmade web" crowd who want tools that stay out of their way. Colour work alone covers hex, RGB, HSL, OKLCH, OKLAB, and LAB with a contrast checker, colour blindness simulator, harmony generator, and a 28-strategy palette engine. Image tools handle cropping, background removal (with a one-time model download), SVG optimisation, and format conversion. The print-production layer does preflight checks and saddle-stitch imposition. Everything takes a `-j` flag for JSON, and bare invocation shows a random eight-tool sampler so you discover features organically.

Who should use this?

Graphic designers who live in terminals will get the most out of this. Frontend developers working with colour systems and design tokens can use the palette generator and unit converter as part of CI pipelines. Indie hackers building print-ready assets or social media workflows will appreciate the matte generator, zine imposer, and QR/barcode tools. Anyone who resents spinning up a browser-based tool for a thirty-second conversion should try it.

Verdict

The feature surface is impressive for an early-stage project, and the Rust implementation means it ships as a single fast binary. At 14 stars with 1.0% credibility, this is very much an indie dev tool — solid for personal use, but lacking the community backing and documentation you'd want before recommending it to a team. Watch it; the scope and polish suggest real potential if the author keeps iterating.

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