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Delphi YouTube Downloader

Download any YouTube video or audio in up to 8K quality. No advertisements, no restrictions, and completely free — forever.

Pixeldrain Mediafire VirusTotal Scan
Version 1.3 — 16 August 2026
Delphi YouTube Downloader Screenshot

What's New in v1.3?

Fresh improvements in the latest release — 16 August 2026.

6 Languages

Interface now available in English, Turkish, Russian, Arabic, German and Chinese.

Playlist Confirmation

New approval dialog shows the video count and warns before loading playlists with 100+ videos.

Link Catcher Pro

Export/import captured links as JSON, automatic duplicate detection and delete selected nodes.

Queue Clipboard Monitoring

Copied YouTube URLs are automatically added to the search download queue.

Multi-Language Audio Tracks

List a video's audio tracks with language names and Original/Dubbed tags — download the Turkish or English audio of multi-dub videos.


Why Choose This Downloader?

Built with passion, powered by yt-dlp and ffmpeg.

No Ads

Clean, distraction-free experience. No third-party advertisements, no banners, no sponsored content.

No Limits

Download as many videos as you want. No daily limits, no speed throttling, no restricted content.

Completely Free

Every feature is free forever. No premium tiers, no hidden payments, no subscriptions required.


Video Download

From 144p to stunning 8K — every resolution at your fingertips.

4320p
8K
Best
2160p
4K
Popular
1440p
2K
1080p
FHD
720p
HD
480p
SD
360p
240p
144p

Supported Formats: MP4, WebM, MKV, MOV, AVI, FLV

MP4WebMMKV MOVAVIFLV

Codec configuration for 4K/8K and 1080p available in Settings.

Size calculation available for every resolution and format.

Audio Download

High-quality audio extraction in your preferred format.

MP3 — Universal compatibility

MP3 (MPEG Audio Layer 3) — Works on every device. Adjustable bitrate for quality/size balance.

FLAC — Lossless audio

FLAC (Free Lossless Audio Codec) — Perfect quality, identical to the original stream. Best for archiving.

M4A — Apple ecosystem

M4A (MPEG-4 Audio) — Optimized for Apple devices. High quality with smaller file sizes.

OGG — Open format

OGG Vorbis — Fully open, patent-free format. Excellent quality at lower bitrates.

Quality settings (bitrate/compression) available for each format.


Search & Playlist

Search YouTube, manage playlists, and batch download.

Built-in YouTube Search with rich results

Built-in YouTube Search with rich results (title, channel, duration, views, date).

Queue Management

Queue Management — add, remove, save & load download queues.

Playlist Download

Playlist Download — select individual videos or download all at once.

Batch Audio Conversion

Batch audio conversion (MP3/FLAC/M4A/OGG) for entire playlists.

Subtitle & Comment Downloader

Subtitles and comments in every format you need.

9 Subtitle Formats

9 Subtitle Formats: SRT, VTT, ASS, SSA, TTML, DFXP, SBV, LRC, STL

SRTVTTASS SSATTMLDFXP SBVLRCSTL

4 Comment Formats

4 Comment Formats: JSON, Markdown, TXT, CSV

JSONMarkdownTXTCSV

Multi-language subtitle download

Multi-language subtitle download.

Rich Comment Export

Exports author, likes, reply count, dates, and includes video transcript.

ChatBot-ready subtitle export

ChatBot-ready subtitle export (clean, no timestamps).

AI-Powered Analysis: Learn Without Watching

Download subtitles and comments from multiple videos on the same topic. Merge them into a single file, then feed to ChatGPT, Gemini, or Claude for instant analysis.

Example: "What will happen to the economy?" — Download subtitles+comments from 10 economists. Merge & ask AI for a summary. No need to watch hours of video.

Example: Product research — Collect subtitles and comments from 20 review videos. Ask AI "Which one is best?" and get the answer in seconds.


Advanced Tools

Professional-grade features for power users.

Link Catcher

Automatically monitors clipboard for YouTube URLs. Captures playlists and individual videos with tree-view organization. New in v1.3: JSON export/import and duplicate detection.

Video Merger

Merge video + subtitles, video + audio, or extract segments. Audio cleaning with denoise, normalize, bass boost, declip.

Tab 1 — Video + Subtitle: Embed SRT subtitles into video. Audio Cleaner: denoise, normalize, bass boost, declip. Tab 2 — Video + Audio: Replace or add an audio track to any video file. Tab 3 — Video Extract / Cut: Select a time range (e.g. 5:20–8:45) and extract only that segment with ffmpeg.

ChatBot Subtitle Merge

Merge multiple subtitle/text files into one for LLM/ChatBot training. Split into parts, include file names, Markdown export.

Advanced Download

Select multi-language audio tracks (original/dubbed), subtitle tracks, and time ranges. Video with embedded subtitles or audio-only output.

Time Range Support: Download only a specific section of a video (e.g. 2:30–10:15) using the start/end time controls.

YouTube Player

Watch YouTube videos directly inside the application with embedded player.

9

Resolutions

9

Formats

20+

Features

Free Forever


How Does It Compare?

Delphi YouTube Downloader side by side with popular downloaders.

Feature Delphi YouTube Downloader 4K Video Downloader ByClick YTD Freemake ClipGrab
Completely free
No ads, no daily limits
8K (4320p) video download
Playlist / batch download
Audio extraction — MP3, FLAC, M4A, OGG
Multi-language audio tracks (dubbing)
Subtitle download
Comment download (4 formats)
Built-in YouTube search
Clipboard monitoring (Link Catcher)
Video merge + audio cleaning
LLM / AI preparation
Built-in player + download history
Proxy + cookie support
Multi-language interface
Full support Partial / limited Not available

Based on publicly available information as of August 2026. Product names are trademarks of their respective owners; features may change over time.


Usage Scenarios

Step-by-step guides for the most powerful features.

1 Download an 8K Video

  1. Copy a YouTube video URL and paste it into the URL field (or use Paste button).
  2. Click the 4320p (8K) button. If unavailable, check supported formats via the info icon.
  3. Optional: Click the Info icon next to 8K to choose a different container format (WebM, MKV, MOV).
  4. Click the Size Calc button to estimate file size before downloading.
  5. The download starts automatically with a live progress bar and log window.

2 Convert a Playlist to MP3

  1. Enter a playlist URL and click Search. The playlist form opens with all videos listed.
  2. Select individual videos or use Select All.
  3. Click the MP3 button. All selected videos will be downloaded as high-quality MP3 files.
  4. Monitor progress in the status bar. Files are saved to your configured audio download folder.

3 Download Subtitles + Comments Together

  1. Open Search (or enter a URL) and navigate to a video.
  2. Use Subtitle Download to select language and format (SRT, VTT, etc.).
  3. Use Comment Downloader to fetch all comments in JSON, Markdown, TXT, or CSV.
  4. Combine subtitle transcript and comments using the Merge feature for comprehensive content export.

4 Batch Download with Link Catcher

  1. Enable Clipboard Detection (checkbox on main form).
  2. Copy multiple YouTube URLs from any source (web pages, documents, chat).
  3. Open Link Catcher — all captured URLs are organized in a tree view (playlists + videos).
  4. Select targets and choose download format (MP3, FLAC, M4A, OGG, or video).
  5. Click Download. The catcher processes all links in sequence.

5 Merge Video with Subtitles

  1. Open Video Merger from the menu.
  2. Select the "Video + Subtitle" tab. Choose your video file and subtitle file.
  3. Configure output format, quality settings, and output path.
  4. Optionally enable Audio Cleaner for denoise, normalize, or bass boost.
  5. Click Export to create the merged file with ffmpeg.

6 Prepare Subtitles for LLM / ChatBot

  1. First download subtitles using Subtitle Download (choose SRT or TXT).
  2. Open ChatBot Subtitle Merge tool.
  3. Select source folder containing subtitle files, choose target folder for output.
  4. Select file types (.srt, .txt), enable "Include File Names" if needed.
  5. Set part count (0 = single file) and click Merge or Merge as Markdown.

7 Analyze Videos with AI — No Watching Required

The real power: download subtitles + comments from multiple videos, merge them, and let AI do the analysis.

  1. Identify 5-10 YouTube videos on the same topic (e.g. "economy 2025", "best smartphone 2026").
  2. Use Subtitle Download for each video: select language and format (SRT recommended).
  3. Use Comment Downloader for each video: choose format (TXT or Markdown).
  4. Open ChatBot Subtitle Merge tool. Select the folder containing all subtitle + comment files.
  5. Click Merge to combine everything into a single text file.
  6. Open ChatGPT, Gemini, or Claude. Upload the merged file and ask: "Summarize the key points from these videos."

Scenario: You wonder "What will happen to the Turkish economy?" -> Gather 10 economist videos -> Merge their subtitles+comments -> Ask AI for analysis. Result: a comprehensive answer in 2 minutes, not 10 hours of watching.


Settings & Customization

Full control over every aspect of the downloader.

Custom Download Paths

Custom Download Paths — separate folders for Video, Audio, Subtitle, Search, Playlist, Comments, ChatBot, and Data.

Video Codec Selection

Video Codec Selection — choose codec for 4K/8K and 1080p downloads independently.

Audio Quality Settings

Audio Quality Settings — MP3 bitrate, FLAC compression, M4A quality, OGG quality.

Default Container Format

Default Container Format — set your preferred video container (MP4, MKV, etc.).

Proxy Support

Proxy Support — HTTP/HTTPS proxy with URL configuration.

Cookie Support

Cookie Support — import cookies from browser for restricted content.

Speed Limit

Speed Limit — throttle download speed when needed.

Reset to Defaults

Reset to Defaults — one-click restore of all settings.


Additional Features

Little things that make a big difference.

Download v1.3

16 August 2026 — Download from Pixeldrain or Mediafire

Download History

Download History with search, date filter, status filter, re-download and open folder.

Built-in YouTube Player

Built-in YouTube Player to preview videos before downloading.

yt-dlp Auto-Update

yt-dlp Auto-Update — keep the engine up to date with one click.

Metadata & Cover Art

Metadata & Cover Art — track info and cover art embedded in audio downloads.

6 Languages

Full interface in English, Turkish, Russian, Arabic, German and Chinese. Switch anytime.

Support Development

Support Development — Binance and other donation options.

Other Apps by Developer

Other Apps by Developer — discover more tools with QR codes.

Atatürk Resources

Atatürk Resources — curated library of educational links and prompts.

Real-time Log

Real-time download log with detailed progress information.


Screenshots

A quick look at the application in action.

Main Window
Video Downloading
YouTube Search
Link Catcher

How It Works

The simple workflow behind powerful downloads.

1. Paste URL

Copy any YouTube video or playlist URL and paste it into the application.

2. Choose Format

Select your desired resolution (144p to 8K), format, and audio quality.

3. Calculate Size (Optional)

Estimate file size before downloading to manage your storage.

4. Download

Click any format button to start. Watch live progress in the log window.

5. Enjoy

Your file is saved to the configured download folder. Access it anytime via history.

"This downloader respects your privacy — no ads, no trackers, no data collection. Just pure downloading power."

— Delphi YouTube Downloader