Tools Collection

A curated collection of web applications and utilities designed to make your workflow easier.

23 apps available

a

anki-converter

Multiple Input Methods. Upload .apkg files via drag-and-drop or file browser. Load decks from a direct URL. E-Ink Device Presets. Optimized formatting for popular e-ink devices:. Xteink X4 (480×800). Compact layout with smaller fonts. Onyx Boox Page (1264×1680). High-resolution optimized. Kindle (1264×1680). Kindle-specific formatting. Kobo Clara Reader (1072×1448). Kobo-optimized settings. Two-Page Flashcard Format. Each flashcard generates two pages for easy self-testing:. Question #. The front of the card. Answer #. The back of the card. Navigate to the next page to reveal the answer. E-Ink Optimized Styling. High contrast black & white design. Readable serif fonts (Georgia). Proper margins for comfortable reading. Clean, distraction-free layout. Fast & Private. Client-side processing. Your decks never leave your browser. No account required. Instant conversion and download.

GoDockerReadabilityEpubWebassembly
Open app
B

Bingo Creator

Custom Bingo Cards: Create bingo cards for trips, events, or any occasion. Adjustable Grid Size: Choose from 3x3 to 10x10 grids. PDF Export: Download your bingo cards as PDF files. Local Storage: Your items are saved automatically per trip name. Shuffled Generation: Each card gets a unique arrangement. Free Space: Center cell is automatically set as "Free Space". Offline Support: Works offline once loaded (PWA). Responsive Design: Works on desktop and mobile devices.

GoDockerJsonWebassembly
Open app
C

Contact Sheet Creator

Drag & drop images to create a contact sheet. Choose between landscape (35mm style) or portrait (half-frame) orientation. Customize rows, columns, and image dimensions. Add header and footer text. Optional film strip border with various film types (TMAX, HP5 PLUS, Portra, etc.). All processing happens in your browser. Your images never leave your device.

GoWebassembly
Open app
e

emoji-identifier

Extract and identify all emojis from text by pasting or typing into the input field, and instantly view their names and Unicode codepoint values. The tool uses a comprehensive emoji detection regex pattern combined with a Unicode emoji dataset to recognize a wide variety of emoji characters, including skin tone variants and zero-width joiner sequences. Results are displayed in real-time, showing each unique emoji found along with its standardized name and corresponding Unicode representation.

Open app
e

exiftools

Extract and view EXIF metadata from image files, including GPS coordinates and other embedded image data. This tool allows you to upload an image and instantly retrieve detailed information such as geolocation data, camera settings, and timestamps stored within the file. The viewer displays GPS coordinates in decimal format when available and presents all extracted metadata in a structured, readable format.

Exif
Open app
L

Lens Focal Length Equivalence Converter

Calculate equivalent focal lengths when moving lenses between camera systems, film formats, and video sensor sizes. This converter uses diagonal crop factor calculations to maintain identical field of view across different sensor dimensions.

bytoozej
Next.JsReactTailwind CssTypescriptBun
Open app
g

ghissue2md

No description available.

Markdown
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g

graphviz-visualizer

Render DOT graph files into visual diagrams directly in your browser. Paste your DOT syntax into the textarea and the graph will automatically render as an SVG visualization, with live updates as you edit. Share your graphs by copying the URL, which encodes your DOT content in the fragment identifier.

GraphvizDot
Open app
T

Tools Collection Homepage

Responsive Design: Mobile-first grid layout that adapts from 1 column (mobile) to 2 columns (tablet) to 3 columns (desktop). Modern UI: Clean cards with gradient accents, hover animations, and smooth transitions. Dark Mode Support: Full dark mode compatibility with automatic system preference detection. Static Generation: Pre-rendered at build time for optimal performance and SEO. Accessible: Semantic HTML and proper link handling for screen readers. Type Safe: Built with TypeScript for robust code quality.

bytoozej
Next.JsReactTailwind CssTypescriptBunNode.JsJson
Open app
J

JSON Utils

Auto-format JSON with customizable indentation (2 or 4 spaces). Real-time validation with error messages. Instant feedback on JSON validity.

Tailwind CssTypescriptBunNode.JsYamlJson
Open app
K

Kilo Credit Calculator

Calculate credit accumulation based on plan selection (Starter, Pro, Expert). Choose between monthly or annual billing cycles. Visualize bonus streak progression (up to 50% bonus). Adjust monthly credit usage with slider. See month-by-month projection of credits.

bytoozej
Next.JsReactTailwind CssTypescript
Open app
l

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.

Markdown
Open app
M

Matter - Image Border Adder

Matter allows you to easily add professional-looking borders and mats to your images. Whether you're preparing photos for printing, social media, or just want to give your images a polished look, Matter provides a simple and intuitive interface to customize your borders.

Next.JsReactTailwind CssTypescriptBunNode.JsExif
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m

md-converter

Multiple Input Methods. Upload .md files via drag-and-drop or file browser. Load Markdown files from a direct URL. E-Ink Device Presets. Optimized formatting for popular e-ink devices:. Xteink X4 (480×800). Compact layout with smaller fonts. Onyx Boox Page (1264×1680). High-resolution optimized. Kindle (1264×1680). Kindle-specific formatting. Kobo Clara Reader (1072×1448). Kobo-optimized settings. Clean Reading Format. Sections based on Markdown headings. Supports GitHub Flavored Markdown (GFM) features:. Tables. Task lists. Strikethrough. Code blocks. Blockquotes. And more. E-Ink Optimized Styling. High contrast black & white design. Readable serif fonts (Georgia). Proper margins for comfortable reading. Clean, distraction-free layout. Support for Markdown-formatted content (headings, lists, code, etc.). Fast & Private. Client-side processing. Your Markdown files never leave your browser. No account required. Instant conversion and download.

GoDockerReadabilityMarkdownEpubWebassembly
Open app
o

ocr

Extract text from PDF documents and images using optical character recognition (OCR) directly in your browser. The tool leverages Tesseract.js for text recognition and PDF.js to handle multi-page PDF files, supporting multiple languages and file formats including JPEG, PNG, and GIF. All processing occurs locally in your browser with no files being transmitted to external servers.

OcrTesseractPdf.Js
Open app
q

qr

Decode QR codes from image files by uploading, dragging and dropping, or pasting them directly into the application. The decoder processes the image data using the jsQR library to extract and display the encoded content, automatically converting URLs into clickable links for convenient access.

JsqrQr
Open app
r

render-markdown

Convert Markdown text to HTML using GitHub's official Markdown API, with options to render standard Markdown or GitHub Flavored Markdown (GFM). The tool displays a live preview of the rendered content, automatically generates a table of contents for headings, and provides the raw HTML output for copying, while also offering cleanup options to remove GitHub-specific formatting artifacts.

Markdown
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T

Taboo Game Project

This is a web-based implementation of the Taboo word game, built with Next.js, React 19, TypeScript, and Tailwind CSS v4. The application allows players to play the classic Taboo game entirely within the browser, with responsive design for mobile and desktop, including buzzer and timer functionality.

bytoozej
ReactTailwind CssTypescriptDockerBun
Open app
t

terraform-plan-graph

An SVG dependency graph with pan and zoom. A module/resource tree with search and action filters. Details for every resource: action, provider, action reason, source location, dependencies, dependents, planned values, and changed attributes. One-hop and two-hop focus modes for tracing impact outward or inward from a resource. Existing unchanged resources from plannedvalues, and resources only present in priorstate when they are being removed. Sensitive values redacted before the frontend receives the graph data. The server binds to loopback by default.

GoJson
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T

TFPS (Terraform Plan Summary)

File Upload: Upload JSON or binary plan files via file explorer. Paste JSON: Paste plan JSON directly (from terraform show -json output). Paste Text Output: Paste raw terraform plan or terragrunt plan output.

Tailwind CssTypescriptBunNode.JsMarkdownJson
Open app
U

Unit Converter Web Application

A responsive web application for unit conversion using natural language input (e.g., "9 cups to ml") with optional dropdown selectors for "from" and "to" units, supporting both imperial and metric systems.

bytoozej
Next.JsReactTailwind CssTypescript
Open app
X

XTeink Wallpaper Converter

Convert single images or entire directories to BMP wallpaper format. Automatic cropping to fit 480x800 resolution while maintaining aspect ratio. Optional manual crop selection for precise control. Directory uploads create a sleep.zip file with all converted wallpapers. All processing happens in your browser. Your images never leave your device.

GoWebassembly
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Y

YAML Validator Web Application

A responsive web application for validating and formatting YAML content. Users can input YAML via copy/paste or file upload, validate its syntax, and format it with configurable indentation spacing. All data is stored locally in the browser.

bytoozej
Next.JsReactTailwind CssTypescriptYaml
Open app