Elsewhere
Release TIL Research Tool Museum
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Tool
QuickJS Code Executor
— Execute JavaScript code in a sandboxed QuickJS WebAssembly environment with a built-in synchronous `fetch()` function for retrieving remote content. Code is automatically encoded in the URL hash, allowing you to easily share executable snippets with others. The interface provides a collection of ready-to-run examples covering common programming tasks and JavaScript features, making it useful for learning, testing, and demonstrating code behavior.
Tool
Is it a bird?
— Determine whether images contain birds using OpenAI's CLIP model running directly in your browser through Transformers.js. Upload images by dragging and dropping, pasting from your clipboard, or selecting files, or use your device's camera for real-time analysis. The tool processes all images locally with no data sent to external servers, and includes a webcam mode with pinch-to-zoom functionality for mobile devices.
Tool
Clipboard Backup
— Save and manage clipboard content across multiple formats including text, HTML, RTF, and images with this clipboard backup tool. Paste any content from your clipboard to automatically create a backup that can be restored later or downloaded in its original format. All backups are stored locally in your browser using IndexedDB, giving you persistent access to your clipboard history without any external uploads or server storage.
Tool
JustHTML Playground - HTML5 Parser
— Test the JustHTML Python HTML5 parser directly in your browser with this interactive playground. Parse, query, and manipulate HTML using CSS selectors, pretty-print documents, extract text content, and convert HTML to Markdown—all running client-side with Pyodide. The playground supports multiple analysis modes including tree structure visualization and streaming event inspection for comprehensive HTML document exploration.
Tool
PDF Viewer
— View PDF files from any CORS-enabled URL with this interactive PDF viewer application. The viewer supports navigation between pages, adjustable zoom levels including auto-scaling, and maintains your viewing state through URL parameters. High-DPI display support ensures sharp text rendering across all devices, and the responsive design adapts seamlessly to mobile screens.
Tool
Bugzilla Bug Viewer
— View Mozilla Bugzilla bug reports with a streamlined interface that displays bug details, comments, and change history in an organized timeline format. Enter a bug ID, URL, or Bugzilla link to retrieve comprehensive information including status, dependencies, keywords, and all activity related to the bug. The viewer automatically fetches and displays details about related bugs referenced in dependencies and history changes, making it easy to navigate connections between issues.
Tool
Bluesky Search
— Search Bluesky posts using advanced filters and options to organize results by latest or top engagement. This tool requires authentication with your Bluesky account credentials and supports filtering by date range, author, mentions, language, domain, URL, and hashtags. Results can be exported as formatted markdown for easy sharing and documentation.
Tool
Tacopy Playground - Tail-Call Optimization for Python
— Explore how tail-recursive Python functions are transformed into optimized iterative code using the Tacopy library. Enter your recursive function in the input panel to see the automatically generated transformed version, which eliminates stack overflow risks and improves performance by converting tail calls into loops. Try the built-in examples to understand how different recursive patterns are optimized.
TIL
Subtests in pytest 9.0.0+
— [pytest 9.0.0](https://pypi.org/project/pytest/9.0.0/) was released on November 8th 2025. I just got around to looking at the [release notes](https://docs.pytest.org/en/stable/changelog.html#pytest-9-0-0-2025-11-05) and the biggest new feature is **subtests**, previously available as the separate [pytest-subtests](https://pypi.org/project/pytest-subtests/) plugin.
TIL
Dependency groups and uv run
— I've adopted a new (to me) pattern for my Python projects to make them easier to hack on using `uv run`. I'm using a [PEP 735 dependency group](https://peps.python.org/pep-0735/) called `dev` to declare my development dependencies - in particular `pytest` - such that running `uv run pytest` executes the tests for my project without me having to even think about setting up a virtual environment first.
Tool
Notes to Markdown
— Convert Apple Notes content to Markdown and HTML formats while preserving hyperlinks and formatting. Paste your notes into the text area to automatically generate both Markdown and HTML outputs, with a live preview of the rendered content. The tool parses RTF data from Apple Notes and provides copy buttons for easy transfer of the converted content.
Tool
The Octave — A Sound Relationship
— Explore the mathematical and sonic relationship between frequencies through interactive demonstrations and a playable piano keyboard. This educational tool visualizes how an octave represents a 2:1 frequency ratio, allowing you to hear the harmonic connection between notes that sound identical yet exist at different pitches. Experiment with various base frequencies using the slider to understand how this fundamental musical principle scales across the entire spectrum.
Tool
The New Yorker Style Converter
— Convert text to match The New Yorker's distinctive typographic style, featuring proper diaereses (such as "coöperate" and "naïve"), curly quotation marks, em dashes, and ellipses. Paste your text into the input field and watch the refined version appear instantly in the output area, which can be copied to your clipboard with a single click.
Tool
Bluesky Quote Finder
— Search for quote posts on Bluesky by entering a post URL to discover all responses that quote the original post. The tool fetches and displays these quotes with options to sort by likes, recency, or oldest first, and provides direct links to view each quote on Bluesky or explore its thread context. A color-coded depth indicator helps visualize the conversation hierarchy.
Tool
Link Extractor
— Extract hyperlinks from pasted web content and export them in multiple formats including HTML, Markdown, and plain text. The tool automatically detects and removes duplicate links while displaying each link's title and URL for easy verification. Copy extracted links in your preferred format with a single click.
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