Hastebin

$ErrorActionPreference = 'Stop'
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 -bor [Net.SecurityProtocolType]::Tls13
Write-Host 'Examples:'
Write-Host '  fav:username                         (a user''s favorites)'
Write-Host '  plapenjoyer                          (all posts with a tag)'
Write-Host '  plapenjoyer -female score:>25        (exclude a tag, minimum score)'
Write-Host '  -type:webm -type:mp4 -type:gif       (exclude videos/gifs)'
Write-Host '  type:png rating:s                    (only PNGs, only safe)'
$Tag = (Read-Host 'Enter tags').Trim()
$clean = ($Tag -split '\s+' | Where-Object { $_ -notmatch '^-?ord(er|fav):' }) -join ' '
if ($clean -ne $Tag) { Write-Warning 'Removed order:/ordfav: term(s); results are always fetched newest-first.'; $Tag = $clean }
$saveTags = (Read-Host 'Save a .txt file with tags for each image? (Y/n)') -notmatch '^\s*n'
$DelayMs = 600
$base = 'https://e6ai.net'
$headers = @{ 'User-Agent' = 'e6ai-tag-downloader/1.0 (PowerShell)' }
$OutDir = Join-Path (Get-Location).Path (($Tag -replace '[\\/:*?"<>|]', '_') -replace '\s+', ' ')
New-Item -ItemType Directory -Force -Path $OutDir | Out-Null
$encodedTag = [uri]::EscapeDataString($Tag)
$beforeId = $null
$total = 0; $skipped = 0; $failed = 0
while ($true) {
    $page = if ($beforeId) { "b$beforeId" } else { '1' }
    $url = "$base/posts.json?tags=$encodedTag&limit=320&page=$page"
    try { $resp = Invoke-RestMethod -Uri $url -Headers $headers }
    catch { Write-Warning "Failed to fetch $url : $_"; break }
    $posts = @($resp.posts)
    if ($posts.Count -eq 0) { break }
    foreach ($post in $posts) {
        $beforeId = $post.id
        $fileUrl = $post.file.url
        if (-not $fileUrl) { Write-Warning "Post $($post.id) has no file URL (deleted/hidden); skipping."; $failed++; continue }
        $name = "$($post.id)_$($post.file.md5)"
        $imgPath = Join-Path $OutDir "$name.$($post.file.ext)"
        $txtPath = Join-Path $OutDir "$name.txt"
        if (-not (Test-Path -LiteralPath $imgPath)) {
            try {
                Invoke-WebRequest -Uri $fileUrl -Headers $headers -OutFile $imgPath
                Write-Host "Downloaded $name.$($post.file.ext)"
                $total++
            } catch {
                Write-Warning "Failed to download post $($post.id): $_"
                if (Test-Path -LiteralPath $imgPath) { Remove-Item -LiteralPath $imgPath -Force }
                $failed++
                continue
            }
            Start-Sleep -Milliseconds $DelayMs
        } else { $skipped++ }
        if ($saveTags) {
            $tags = foreach ($cat in $post.tags.PSObject.Properties) { $cat.Value }
            Set-Content -LiteralPath $txtPath -Value (@($tags) -join "`n") -Encoding UTF8
        }
    }
    Start-Sleep -Milliseconds $DelayMs
}
Write-Host "Done. Downloaded: $total, already present: $skipped, failed: $failed. Output: $OutDir"