Sentinel Security Scan
Every file is verified with magic byte analysis before conversion begins. If the extension is spoofed or the file is blacklisted, the conversion is blocked immediately.
Gizliliğe Önem Verenler
Hiçbir dosyanız sunucuya yüklenmez. MP4, PDF veya DOCX dönüştürün — verileriniz cihazınızı terk etmez.
Tasarımcılar & İçerik Üreticileri
Görselleri, fontları ve video dosyalarını toplu dönüştürün. Yeniden boyutlandırın, DPI ayarlayın, filigran ekleyin.
Windows Güçlü Kullanıcıları
43 format, gereksiz yazılım yok, hesap gerekmez. Sürükle, dönüştür, bitti — on saniyenin altında.
İşletmeler & Ekipler
Hassas belgeleri yerel olarak işleyin. Bulut yüklemesinden kaynaklanan uyumluluk riski yok. Tamamen çevrimdışı çalışır.
JPG · PNG · GIF · WebP · BMP · TIFF · ICO · HEIC · AVIF · PSD · SVG
MP4 · MKV · AVI · MOV · WebM · FLV · WMV
MP3 · WAV · FLAC · OGG · AAC · M4A · WMA · AIFF
PDF · DOCX · XLSX · PPTX · ODT
TTF · OTF · WOFF · WOFF2
ZIP · 7Z · RAR · TAR · TAR.GZ · BZ2 · XZ
TXT · CSV · JSON · XML · Markdown
~200+ dönüşüm kombinasyonu · Tümü cihazınızda yerel olarak işlenir
Every file is verified with magic byte analysis before conversion begins. If the extension is spoofed or the file is blacklisted, the conversion is blocked immediately.
Sentinel compares the declared extension with the actual file signature. A renamed .exe disguised as .jpg is caught before any processing starts.
Every file generates its own unique visual from its binary content: entropy, flow speed, particle density, colour — all derived from the file itself.
Drop multiple files at once. The BatchPortal opens, you select a target format, and all files are processed sequentially with full Sentinel protection on each.
Control output size in pixels, DPI for print quality, target file size in KB/MB, text and image watermarks, and serial file naming templates.
Turkish, English, German, Spanish, French, Russian, Chinese, Japanese, Portuguese, Italian, Korean, Dutch, Polish, Arabic. Language auto-detected from OS.
No internet connection at any point. Files never leave your device. License verification for paid tiers is handled by the Microsoft Store infrastructure.
Touch mode automatically activates larger tap targets, horizontal scroll for format grids, and a full-size drop zone — optimized for tablet use.
Selgorithm Convert Sentinel processes all files exclusively on your local device. The application does not transmit any personal data or file content to any server over the internet.
Information stored locally:
settings.jsonrecent.json%LOCALAPPDATA%\SelgorithmConvert\output\The content of your files is never stored in the application's own data files — only filenames and format metadata are recorded in the history.
No personal data or file content is shared with, sold to, or transmitted to third parties. Your files never leave your device.
The application does not establish any network connections during use. All conversion processing happens locally on your device. A one-time download from Microsoft Store is required for installation. License verification for paid tiers (Orbit, Akasha) is performed exclusively through the Microsoft Store infrastructure, subject to Microsoft's privacy policy.
All application data is stored in the %LOCALAPPDATA%\SelgorithmConvert\ folder on your Windows device, protected by operating system access controls. No passwords or sensitive personal information are collected or stored by the application.
You have complete control over your data. The application folder is located at %LOCALAPPDATA%\SelgorithmConvert\. You can delete output files, clear conversion history within the app, or remove the entire folder to delete all application data.
Selgorithm Convert Sentinel is a utility application not intended for use by children under the age of 13.
We may update this Privacy Policy from time to time. Changes will be reflected in the "Last updated" date above.
For privacy-related inquiries: info@selgorithm.com
Every error Convert Sentinel can display has a documented code, cause, and step-by-step resolution. Paste any SLGT-CV-* code into an AI assistant for instant help.
SLGT-CV-FILE-001
HTTP 400
Unsupported file format.
Why does this happen?
The dropped or selected file has an extension or content type not in the supported format list.
Resolution
Check the supported formats list in the app. Supported categories: image, video, audio, document, font, archive.
SLGT-CV-FILE-002
HTTP 400
File is corrupted or unreadable.
Why does this happen?
The file structure does not match the expected format — the file may be partially written, truncated, or damaged.
Resolution
Try obtaining a fresh copy of the file. If the file was downloaded, re-download it.
SLGT-CV-FILE-003
HTTP 404
File not found.
Why does this happen?
The file path provided to the converter no longer exists — the file may have been moved, renamed, or deleted.
Resolution
Locate the file and drag it into the app again.
SLGT-CV-FILE-004
HTTP 400
File is empty (0 bytes).
Why does this happen?
The selected file has no content — it is a zero-byte file that cannot be processed.
Resolution
Select a valid file with actual content.
SLGT-CV-FILE-005
HTTP 500
File could not be read.
Why does this happen?
A read permission error or I/O failure occurred when accessing the file.
Resolution
Check that you have read permission for the file. Try copying it to your Desktop first.
SLGT-CV-CONV-001
HTTP 500
Conversion failed.
Why does this happen?
An unexpected error occurred in the conversion engine. The file may be malformed or use an unsupported codec variant.
Resolution
Try a different output format. If the issue persists, check if the source file opens correctly in another application.
SLGT-CV-CONV-002
HTTP 200
Quality loss warning: lossless → lossy conversion.
Why does this happen?
The source format stores data without quality loss, but the target format is lossy — some quality will be permanently lost.
Resolution
This is expected behaviour. Accept the warning to proceed, or choose a lossless target format.
SLGT-CV-CONV-003
HTTP 200
Source and target are the same format.
Why does this happen?
The conversion would produce an identical file — source and target format are the same.
Resolution
Select a different target format.
SLGT-CV-CONV-004
HTTP 500
FFmpeg executable not found.
Why does this happen?
The bundled FFmpeg binary is missing from the application folder — the installation may be incomplete or files were manually deleted.
Resolution
Reinstall the application from Microsoft Store to restore the missing files.
SLGT-CV-CONV-005
HTTP 500
FFmpeg returned a non-zero exit code.
Why does this happen?
The FFmpeg process exited with an error. Common causes: unsupported codec, corrupted source, or insufficient system resources during encoding.
Resolution
Try converting to a different format. Ensure you have at least 500 MB of free RAM and sufficient disk space.
SLGT-CV-CONV-006
HTTP 200
Conversion cancelled by user.
Why does this happen?
The user pressed the Cancel button during an active conversion.
Resolution
No action needed. The partially written output file has been removed.
SLGT-CV-CONV-007
HTTP 500
Output file could not be written.
Why does this happen?
The output folder is not writable or disk space ran out during the conversion.
Resolution
Check that %LOCALAPPDATA%\SelgorithmConvert\output\ is accessible and that you have free disk space.
SLGT-CV-CONV-008
HTTP 400
This source → target format pair is not supported.
Why does this happen?
The Sentinel Quality Gate has blocked this combination: dead codec, lossy-to-lossy chain, alias format, or SEO padding.
Resolution
Open the Quality Gate panel in the app to see why this pair is blocked and find an alternative path.
SLGT-CV-CONV-009
HTTP 500
Required library not available.
Why does this happen?
A conversion engine dependency (Pillow, pypdfium2, fonttools, etc.) is missing from the application bundle.
Resolution
Reinstall the application from Microsoft Store.
SLGT-CV-SYS-001
HTTP 507
Insufficient disk space.
Why does this happen?
The available disk space is below the estimated space needed for the conversion output.
Resolution
Free up disk space and try again. The output is saved to %LOCALAPPDATA%\SelgorithmConvert\output\.
SLGT-CV-SYS-002
HTTP 200
Low RAM warning — performance may suffer.
Why does this happen?
Available system RAM is below 500 MB. Large file conversions may be slow or fail.
Resolution
Close other applications to free up RAM before converting large files.
SLGT-CV-SYS-003
HTTP 200
Long video — estimated processing time shown.
Why does this happen?
The video file duration exceeds 30 minutes. Processing will take considerable time.
Resolution
This is informational. The conversion will proceed; do not close the app until it completes.
SLGT-CV-SYS-004
HTTP 200
Large file — system may slow down during conversion.
Why does this happen?
The input file exceeds 1 GB. The system may become unresponsive during processing.
Resolution
This is informational. Close unnecessary applications and wait for the conversion to complete.
SLGT-CV-STOR-001
HTTP 400
Output folder is missing.
Why does this happen?
The configured output folder does not exist — it may have been deleted or is on a disconnected drive.
Resolution
The app will attempt to recreate the folder automatically. If it fails, check your storage settings.
SLGT-CV-STOR-002
HTTP 500
Could not create output folder.
Why does this happen?
The application was unable to create the output directory due to a permissions error or filesystem issue.
Resolution
Manually create the folder at %LOCALAPPDATA%\SelgorithmConvert\output\ and try again.
SLGT-CV-STOR-003
HTTP 500
Could not open output folder in Explorer.
Why does this happen?
The shell command to open File Explorer failed — the output folder may not exist or Windows Explorer crashed.
Resolution
Open File Explorer manually and navigate to %LOCALAPPDATA%\SelgorithmConvert\output\.
SLGT-CV-LANG-001
HTTP 200
Language file missing — falling back to English.
Why does this happen?
The locale JSON file for the selected language could not be found in the application bundle.
Resolution
The interface will display in English. Reinstall the application to restore all language files.
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