Home on Mathieu Martin's accessible software

DownAccess

Mon, 01 Jan 0001 00:00:00 +0000

DownAccess is a video and audio downloader for Windows, designed to be fully accessible with a screen reader. Built on yt-dlp and a native wxPython interface, it lets you grab videos and audio files from hundreds of sites.

Features

Download video and audio from many sites using yt-dlp, with guided extraction through a built-in browser (WebView2) for tricky pages.
Built-in search across YouTube and SoundCloud, without leaving the app.
Pick your output format: Auto, MP4, MP3, M4A, or choose a specific format manually; subtitles can be downloaded too (languages, formats, and separate, embedded or burned-in modes).
Playlist handling with checkbox-based entry selection, plus a download queue with progress tracking and reordering.
Accessibility built for NVDA and JAWS, clipboard monitoring, download history, and automatic yt-dlp updates; ffmpeg ships with the application.

Accessible Media Converter

Mon, 01 Jan 0001 00:00:00 +0000

Accessible Media Converter (AMC) is a Windows desktop transcoding tool built with wxPython and powered by FFmpeg. Its accessible interface is fully keyboard-operable and designed first and foremost for blind and low-vision users.

Features

Accessible desktop interface, fully keyboard-operable, with optional spoken feedback through an active screen reader (NVDA, JAWS).
Audio-to-audio, video-to-audio and video-to-video conversion (MP4, MKV), plus image conversion (JPEG, PNG, WebP, TIFF, BMP) with quality, compression and resizing controls.
Explicit selection of video, audio and subtitle tracks, including track choice for audio extraction from multi-track files.
Batch conversion with a configurable number of parallel tasks, output conflict handling and optional streaming loudness normalization at -16 LUFS.
Application language preference (auto, French, English) with system detection, and a built-in update mechanism via stable GitHub releases.

TTAccessible

Mon, 01 Jan 0001 00:00:00 +0000

TTAccessible is a native macOS app (AppKit with SwiftUI preference panes) that puts VoiceOver at the center of the experience: every window, menu, control, and navigation flow is built for screen readers. Keyboard navigation is complete and documented, with shortcuts such as Cmd+1/2/3/4 and F5/F6/F7.

Features

Full VoiceOver support across every window, menu, control, and navigation flow, with complete keyboard navigation and documented shortcuts.
Advanced audio engine: custom AUHAL capture, input gain, channel selection, WebRTC AEC3 echo cancellation (macOS 14.2+), and an adaptive jitter buffer.
Per-user volume and stereo balance persisted across sessions, plus muxed or per-user recording in WAV or OGG with auto-restart on channel change.
File sharing with progress, speed, and ETA, plus in-window media and video streaming in a collapsible panel.
Server administration (accounts, bans, properties), tree-based channel navigation and private messaging, bundled and customizable sound packs, and automatic reconnect that rejoins your last channel.
Signed and notarized in-app updates via Sparkle, English and French localization, and import of saved TeamTalk servers from TeamTalk5.ini.

MarkdownAccess

Mon, 01 Jan 0001 00:00:00 +0000

MarkdownAccess is a Markdown editor for Windows designed for screen reader users. You write in a native text field that NVDA reads correctly, with spoken formatting feedback and a built-in HTML preview.

Features

Editing in a native text field that NVDA reads correctly: echo, caret tracking and selection.
Assisted formatting with spoken announcements: bold (Ctrl+B), italic (Ctrl+I), headings (Ctrl+1/2/3), code, strikethrough, lists, quote, link (Ctrl+K), table and task items.
Built-in HTML preview (WebView, Edge/WebView2 backend), toggled with F6, falling back to your default browser.
Structure navigation: jump to the next or previous heading (Alt+Down/Up) and view the document outline (Ctrl+Shift+O).
UTF-8 open and save, recent files, in-document search and HTML export; bilingual FR/EN interface with persisted settings.

Apprenti Clavier

Mon, 01 Jan 0001 00:00:00 +0000

Apprenti Clavier is a fully browser-based web app, with no installation and no dependencies, for learning the AZERTY keyboard. Its accessibility is designed for screen readers (VoiceOver, NVDA) through ARIA live regions, with beginner content and Windows / Mac variants.

Features

Two learning modes, Standard and Beginner, chosen during the introduction and remembered across sessions.
Beginner mode: a 50-unit path (descriptions and exercises) with three families of guided exercises.
Standard mode: 6 lessons and 5 exercises, ranging from random letters to sentence dictation.
Screen reader accessibility through two ARIA live regions: an assertive alert and a polite status.
An introduction tutorial that requires choosing a mode, plus a settings reset option.

Welcome to the new website

Mon, 22 Jun 2026 00:00:00 +0000

A single, accessible entry point to discover and download my applications.

Contact

Mon, 01 Jan 0001 00:00:00 +0000

A question, a bug to report, a suggestion? Write to me using the form below. You can also email me directly at contact@mathieumartin.ovh.