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Fralculator vs imgproxy

Imgproxy processes images on-self, while Fralculator focuses on math calculations and security tools.

Which to pick

Pick Fralculator if you want…

  • Step-by-step offline calculator with built-in security tools
  • A free, open-source tool

Pick imgproxy if you want…

  • On-premise, high-performance image processing
  • Self-hosted image processing

Side by side

What it is
Fralculator:Fralculator is an offline-first desktop calculator for Windows and Linux that shows step-by-step solutions, supports natural-language input, voice, live graphing and includes a security toolkit.
imgproxy:imgproxy is a self-hosted image processing server that resizes, optimizes and transforms images on the fly.
Best for
Fralculator:Step-by-step offline calculator with built-in security tools
imgproxy:On-premise, high-performance image processing
Who it’s for
Fralculator:Students, engineers, security enthusiasts and anyone needing a privacy-focused calculator on desktop
imgproxy:Web developers and DevOps teams needing fast, secure image handling on their own infrastructure.
Pricing
Fralculator:Open source
imgproxy:Freemium
Open source
Fralculator:Yes, 0 GitHub stars
imgproxy:Yes, 11,098 GitHub stars
Works with
Fralculator:—
imgproxy:Docker, Linux packages, Amazon S3, MinIO, Cloudflare R2, Google Cloud Storage, Azure Blob Storage, Prometheus

Fralculator features

  • Step-by-step solutions. Displays every intermediate PEMDAS step using KaTeX rendering.
  • Natural-language input. Accepts plain English queries like “what is 15% of 240” without internet.
  • Live graphing. Plots functions in real time with Plotly as you type them.
  • Voice input. Offline Whisper-tiny model processes spoken math queries locally.
  • Unit & currency conversion. Converts across 11 categories and fetches live ECB rates via a free API.
  • EHCalc toolkit. Provides subnet calculator, hash generators, encoders, password strength/generator and port lookup.
  • History & tags. Persisted local history searchable and taggable, with click-to-reload.
  • Explain This. Rule-based plain-English explanations with a future LLM backend slot.

imgproxy features

  • On-the-fly resizing & cropping. Resize, crop, fill and rotate images via URL parameters without pre-generating variants.
  • Advanced optimization. Strip metadata, apply PNG quantization, advanced JPEG/WebP compression and SVG minification.
  • Smart AI features. Smart crop, object detection, auto-quality by file size or SSIM, and best-format selection.
  • Watermarking & filters. Add image or text watermarks, shadows, blurs, sharpening, color adjustments and gradients.
  • Security controls. URL signing, request authorization, image-bomb protection and SVG sanitization.
  • Extensive source support. Fetch images from HTTP(S), local files, S3, GCS, Azure Blob, MinIO, Cloudflare R2 and OpenStack Swift.

Fralculator vs imgproxy FAQ

Is Fralculator or imgproxy free?+

Fralculator is free and open source. imgproxy has a free plan and paid plans.

Is Fralculator or imgproxy open source?+

Yes, both are open source: Fralculator (fralsare/fralculator on GitHub, MIT license) and imgproxy (imgproxy/imgproxy on GitHub, Apache-2.0 license).

On DevHunt

Fralculator

1 upvote · Launching on DevHunt on Oct 30, 2029

imgproxy

95 upvotes · Launched on DevHunt on Feb 20, 2024

Based on each tool's website and DevHunt data. Details may change; check the official sites.