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A collection of free, somewhat practical web apps (PDF editing, automatic face pixelation for videos, PDF comparison, face recognition reception, counter, teleprompter, etc.)
You can easily create PDF documents ✏️ Markdown translates directly to paper 📄 There's also a free tier 🌱 Very convenient!
FormatArc is a lightweight site that processes JSON formatting, YAML conversion, and CSV conversion only within the browser. Input data is not sent to the server, and formatting and conversion can be completed on the spot.
Desktop app that displays a list of PDF file thumbnails
PDF Reader
Combine, split, and convert PDFs in bulk within the browser. Privacy-focused tool.
「デカ文字PDF」は、用紙いっぱいの大きな文字列でPDFファイルを作成するWindowsソフトです。 基本操作は、テキストを入力して「PDF作成」ボタンを押すだけです。完成したPDFファイルはデスクトップに作成されます。PDFは印刷に適した業界標準ですので、コンビニでも印刷できます。Windows Vista/7/10/11で動作します。
Open a PDF. A reading assistance tool with a reading guide and line snap that helps you not lose your place even when reading long materials.
ブラウザの端末内でファイルを変換するサイト
いつでも手軽に使える永久無料の100+ツール集。ちょっと困ったときの便利アイテムです。
Save and organize URLs at lightning speed. A memo app where you can add items with one tap from a shared sheet.
This is an app that can convert .html logs output by CocoFolia into .md and .txt formats for easier viewing later. The markdown has a preview function as well. The purpose is to load logs into AI. (It's convenient for creating summaries and such.)
開発者向けの様々な細かいツールを集めたwebサイトです。
It is a website where you can freely choose fonts and create PNG images of your favorite characters with outlines and shadows.
A simple and specialized whiteboard web app. Please use it in meetings and other occasions. It can also be installed as an app. Features include black pen, red pen, eraser, pen thickness adjustment, and the ability to download as an image.
This is a web editor created primarily for writing TRPG scenarios that does not communicate externally. It reads folders stored on your PC and allows you to edit them on the web. (Uses File System Access API) It's basically a Markdown editor with some extra features, but you can choose between two editing modes: MD + Preview dual-pane editing and rich text editing like Word or Google Docs, with seamless mode switching. In addition to image importing, it supports LaTeX notation, code block display, and internal links (like [[this]]). You can export specific files or all designated files with switchable order to PDF. It can also read fonts stored on your PC. (Uses Local Font Access API) You'll start by selecting a folder to work in. Since you need to read and edit existing .md files, please create an empty file first. ※ Since this uses File System Access API and Local Font Access API, the recommended browsers are Chrome / Edge.
無料・広告なしのシンプルな家計簿アプリ
This is a web app that automatically generates natural and emotional quotes by combining word and grammar data. You can enjoy meeting different words each time with just a button press.
This is a web application that automatically generates KiCad footprints from electronic component datasheets. The generated footprints can be easily fine-tuned for size and position adjustments in the editor.
Just a circuit simulator. You can make calculators, games, anything.
無料で使える、ドット絵作成のためのWebサービスです。
Before pressing the submit button on that manuscript, run an automatic check for just 30 seconds.
Tool for converting AI-generated pseudo pixel art into accurate pixel art
筆算の手順を教えてくれる算数教材
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It is an app that allows you to edit PDFs on the web.You can perform various operations such as viewing, merging and splitting files, adding watermarks, and editing properties.
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