7days free trial.The all-in-one file converter, document scanner, video
compressor, image resizer and audio extractor — 100% offline,
100% private. Your files never leave your phone.
ConvertX is the universal Android file toolbox you actually
need. Scan documents into clean PDFs, convert MP4 to MP3,
WEBM to MP4, PDF to JPG, HEIC to JPG, PNG to WEBP, WAV to
MP3, JSON to CSV, and 300+ more format combinations.
Everything happens locally on your device — no uploads, no
accounts, no tracking.
★ DOCUMENT SCANNER (NEW in v2.0) — tap "Scan Document", point
your camera at any paper document, receipt, contract, book
page or whiteboard. ConvertX detects the edges, auto-crops
and corrects perspective. Save as PDF, JPG or PNG. Multi-page
scans up to 10 pages per PDF. Powered by Google ML Kit —
works fully offline after first use.
★ SMART CONVERT — pick where you'll use the file (WhatsApp,
Email, Website, Upload, Max Quality) and ConvertX picks the
right format, resolution, quality and bitrate automatically.
★ MAKE IT FIT — type a target size (e.g. 10 MB) and ConvertX
auto-shrinks quality, resolution and bitrate until the file
fits under your limit. Perfect for email attachments,
WhatsApp video sharing, or upload limits.
★ VIDEO COMPRESSOR — shrink large MP4, MOV, MKV, AVI, WEBM
videos without losing quality. Ideal for messaging apps,
storage cleanup, or sending clips via email.
★ AUDIO EXTRACTOR — pull the audio track out of any video and
save it as MP3, M4A, WAV or OGG. Turn videos you already have
on your phone into music files.
★ PHOTO / VIDEO → GIF — turn a short clip or a set of photos
into an animated GIF ready to share on chat, forums or
Reddit.
★ BATCH CONVERTER — pick 10, 50, 100 images at once, choose
the target format (JPG, PNG, WebP, PDF) and download them all
in a single ZIP archive.
★ QR BATCH SCANNER — scan dozens of QR codes at once and
export the results to CSV. Ideal for tickets, inventories,
coupon codes or bulk data collection.
★ FILE CLEANER — find duplicate files by SHA-256 hash to free
up storage. Detects identical images, videos, audio or
documents regardless of filename.
★ SHARE INSTANTLY — after every conversion, share directly
to WhatsApp, Email, Gmail, Drive, Telegram, Photos, Bluetooth
or any Android app with one tap.
SUPPORTED FORMATS (300+ combos):
VIDEO: MP4 · MOV · MKV · AVI · WEBM · FLV · WMV · 3GP
AUDIO: MP3 · M4A · WAV · OGG · AAC · FLAC · OPUS
IMAGES: JPG · PNG · WebP · GIF · BMP · SVG · ICO · AVIF · TIFF · HEIC
DOCUMENTS: PDF · TXT · HTML · MD · RTF · DOCX (read)
DATA: JSON · CSV · XML · YAML · TSV · TOML
CODE: JS · PY · SQL · CSS
SCANS: Camera → PDF / JPG / PNG with auto-crop
WHY CONVERTX?
✓ 100% offline — no internet needed, no data usage
✓ Your files never leave your phone — zero uploads to servers
✓ No account required, no email, no signup
✓ No ads inside the conversion flow
✓ Multi-language: English, Romanian, Spanish, French, German,
Italian, Portuguese
✓ Light + Dark theme
✓ Powered by ffmpeg + jsPDF + Google ML Kit for local
processing
✓ Files stay in your Downloads folder — you control them
PERFECT FOR:
• Scanning contracts, receipts or ID cards into clean PDFs
• Scanning multi-page handwritten notes into a single PDF
• Sending videos on WhatsApp under the 16 MB limit
• Attaching files to Gmail under 25 MB
• Converting voice notes to MP3 for editing
• Extracting audio from video interviews or lectures
• Compressing photos before uploading to social media
• Batch-converting screenshots to WebP for a website
• Scanning bulk QR tickets or inventory codes
• Cleaning up duplicate photos and files
ConvertX PRO subscription unlocks unlimited conversions and
scans on files up to 200 MB. Try it monthly (€4.88) or yearly
(€48, save 18%). Cancel anytime from Google Play.
Scan documents + convert video, images, audio, PDF — offline.