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MP4.to is an online file conversion service under VPS.org LLC. Although the name centers on MP4, its actual capabilities have expanded to cover many format categories, including video, audio, images, PDFs, Office documents, and ebooks. It serves both general users through browser-based upload-and-convert workflows and developers via a REST API.
On the video side, the platform supports conversion between MP4 and formats such as WebP, GIF, MOV, AVI, WebM, and MKV. It also offers MP4 playback, compression, trimming, merging, rotation, resizing, and audio extraction. Audio can be converted to MP3, WAV, AAC, FLAC, and other formats. For documents, it covers PDF, DOC/DOCX, XLS/XLSX, PPT/PPTX, TXT, RTF, ODT, HTML, as well as JPG, PNG, WebP, EPUB, MOBI, and more. The API uses Authorization API Key authentication. The workflow involves obtaining an API URL, uploading files to /v1/convert/, and then querying results via /v1/results/. The documentation includes examples for curl, Python, PHP, and JavaScript.
A free plan is available, but the limits are quite noticeable: the site mentions 1 or 2 conversions per hour, 1 file per conversion, ads, and inconsistent file-size limits such as 100MB and 1GB. The Pro day pass costs US$7.99, the monthly plan is US$12/user/month, and the annual plan is US$9/user/month. Pro includes unlimited conversions, batch uploads, larger files, no ads, priority queue access, and higher AI tool limits. API pricing is not disclosed in the main content and requires following a separate link to check.
The main strengths are its very broad format coverage, simple web interface, and complete API examples, making it suitable for quickly integrating file conversion features. The Pro plan is also more friendly for batch processing and large files. Downsides include Chinese content that appears heavily machine-translated, inconsistent explanations of free quotas and file-size limits, and no clear information on open source availability, self-hosting, SLA, or enterprise compliance capabilities. The free pages also contain frequent ads and upgrade pop-ups.
MP4.to is suitable for content operations teams, design or editing support staff, small-team backend tools, and developers who need a low-friction conversion API. It is less suitable for enterprises with strong requirements around private deployment, strict compliance, or predictable cost control. The source content does not provide information on access from mainland China, so availability is unknown. If network access or payment is restricted, alternatives include CloudConvert, Convertio, Zamzar, or self-hosted workflows based on FFmpeg, LibreOffice headless, and Pandoc.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on mp4.to official site.
mp4.to is an Unknown Online Tools provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach mp4.to directly.