Convert.FAST is a bulk file converter that processes up to 1,000 files per batch, converting images, RAW photos, PDFs, Office documents, and audio with real-time per-file progress and returns a single ZIP download.
What is Convert.FAST?
Convert.FAST is an online bulk file converter that takes batches of files (images, documents, audio, RAW photos) and outputs converted files in a single ZIP archive. It runs on EU-based servers and offers 115+ specific converters covering formats like PDF, Word, Excel, PowerPoint, HEIC, PNG, WebP, AVIF, RAW (CR2, ARW), Lottie animations, and audio transcription. The service provides 50 free conversions daily with no signup required, or a freemium Pro tier.
Key Features
- Batch processing — Convert up to 1,000 files in a single batch (Pro tier; free tier limited to 50 per batch). Each file’s conversion progress shows in real time.
- File size limit — Pro users can upload files up to 1 GB each; free users are limited to 50 MB per file.
- 115+ converters — Covers documents (PDF, Word, Excel, PowerPoint, Markdown, RTF), images (HEIC, AVIF, WebP, PNG, JPG, BMP, TIFF, PSD, SVG, RAW, Lottie, TGS), audio (FLAC to WAV, M4A to MP3, MP3 to OGG), fonts (WOFF2 to TTF), and AI-powered transcription (audio/video to text, PDF to Word, PDF to Markdown).
- Priority processing — Pro conversions are queued ahead of free conversions for faster turnaround.
- API access — Web + API access is included with Pro credits, allowing programmatic batch conversions.
- Guest credits — Free users receive 100 credits as a guest; signing up gives 500 Pro credits that never expire.
Who is it for?
- Photographers — Convert batches of RAW files (Canon CR2, Sony ARW, and others) to JPG, PNG, AVIF, or WebP for web delivery or client previews.
- Designers and digital marketers — Bulk-convert HEIC screenshots to JPG, PNG to WebP, or SVG to PNG for ecommerce sites, social media, and ad creatives.
- Legal and office teams — Batch-convert Word documents, Excel spreadsheets, and PowerPoint presentations to PDF, PDF/A, or image formats for archival, sharing, or redaction workflows.
What can you do with Convert.FAST?
- Transcribe audio to text — Upload audio or video files (up to 1 GB) and get transcripts in TXT, PDF, Word, Markdown, or subtitle formats using AI.
- Convert PDFs to editable documents — Use AI-powered converters to transform PDFs into Word, Markdown, or searchable text (with OCR option using Tesseract or Azure Document Intelligence).
- Batch resize and re-encode images — Convert hundreds of HEIC photos from an iPhone to JPG or AVIF, or convert animated WebP/GIF to static JPG, all in one batch.
How does Convert.FAST work?
- Sign up for free (or use as a guest with 100 credits). 2. Choose a converter from 115+ options. 3. Upload files (up to 50 files free, 1,000 with Pro). 4. Each file shows real-time progress. 5. Download the complete batch as a single ZIP archive.
Pricing
Convert.FAST operates on a freemium model. Free users get 100 guest credits and 50 free conversions daily without an account. Signing up (no credit card required) grants 500 Pro credits that never expire. Pro credits unlock file sizes up to 1 GB, batches of up to 1,000 files, priority processing, and API access. Once Pro credits are spent, the service reverts to free limits.
FAQ
Is Convert.FAST free?
Yes. You can convert 50 files per day for free with no signup (guest credits). A free account gives 500 permanent Pro credits that unlock higher limits and priority processing.
What file size limits apply?
Free users are limited to 50 MB per file. Pro users can upload up to 1 GB per file across all converters.
Can I convert RAW camera files?
Yes. Convert.FAST supports RAW conversions for Sony ARW, Canon CR2, and generic RAW files to formats like JPG, PNG, AVIF, and WebP.
