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© 2026 Elysia Tools. Developer documentation.

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All categoriesImages, Audio & VideoMath, Date & FinanceDesign & ColorText & WritingDeveloper & WebConversion & EncodingData & TablesDocuments & PDFSecurity & ValidationCharts & Visualization
3212 tools

NSFW Image Content Detector

json

AI Tools

AI content-moderation classifier using NSFWJS to flag uploaded images as safe or potentially inappropriate. Built for moderation and compliance review of your own files — it analyzes uploads only and is not an image search or discovery tool. Supports JPEG/PNG/WEBP/GIF.

nsfw-image-detector

Audio to Text Transcriber (AI)

text

AI Tools

Transcribe speech from audio (wav/mp3/m4a/flac/ogg/webm/aac) to text, SRT, VTT or JSON using the grok-stt AI model. Up to 10 minutes.

audio-to-text-transcriber

Polymarket Probability Term Structure

html

Finance

Turn Polymarket odds into a probability term structure: implied probabilities by expiry, with overround removed.

polymarket-term-structure

Italian Pension Revaluation Simulator

html

Finance

Simulate the yearly revaluation (perequazione) of an Italian pension: per-band breakdown, scaglioni vs blocchi, and 2026 vs the 2027 draft.

italian-pension-revaluation-simulator

Text to Excel Converter

file

Format Conversion

Paste CSV, TSV, JSON, key-value, or INI text and download a formatted XLSX spreadsheet

text-to-excel

Image Grid Slicer

file

Design

Preview and slice an image into a 3×3, 3×2, 2×3 or custom grid. Reframe square tiles and download individual images or ZIP locally.

image-grid-layout

Private Habit Heatmap Tracker

html

Utilities

Your habits stay in this browser. No account, no AI, no automatic upload.

private-habit-heatmap-tracker

Private offline period tracker

html

Health

No account, AI or record uploads. The independent app has no ads or analytics.

private-offline-period-tracker

PS1 Retro Texture Converter

interactive

Media

Convert local images to RGB555 or 16/256-color textures with ordered dithering and an affine, vertex-snapped 3D preview.

ps1-retro-texture-converter

HTML/CSS to Print-Ready PDF

file

Document Tools

Typeset a multi-page, print-ready PDF straight from HTML and CSS: @page size/margins, running chapter headers, page counters, crop and registration marks, bleed.

pdf-typesetting-html-css-nojs-print

Ephemeral Cloud Sandbox Cost Calculator & Teardown Auditor

html

Development

Price a throwaway sandbox across AWS, GCP, Azure, Vercel, Fly.io, Railway, Replit, Codespaces and Gitpod, then audit what forgetting to tear it down actually costs per forgotten day.

ephemeral-cloud-sandbox-cost-calculator-teardown-auditor-aws-gcp-azure-vercel-fly

IndieWeb ↔ Fediverse Bridge Analyzer

html

Web & Internet

Parse microformats2 (h-entry/h-card), validate Webmention/IndieAuth/Micropub/Microsub, emit ActivityPub Object+Activity dual views and reply-all routing — W3C-spec accurate

webmention-micropub-microsub-indieauth-activitypub-apenode-reply-all-indieweb-bridge
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