# 格式转换-视频音频图片PDF转换 — 全能专业音频视频文件转换器 > All-format converter for audio, video, images, and PDFs with editing tools. (iPhone/iPad app by 强 孙.) - Source: https://appshunter.io/ios/app/pdf/id1592081958 (this page in markdown: same URL + `.md`) - Developer: [强 孙](https://appshunter.io/developer/1469862200) - Category: Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 15 · 81 MB - Languages: Chinese (Simplified, China) - Released: 2021-10-29 - Data updated: 2026-11-11 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/pdf/id1592081958/reviews.md ## What is 格式转换? 全能全格式转换器，支持音频、视频、图片、PDF文档一站式处理。 音频工具：音频转格式、音频提取、剪辑、降噪、伴奏提取、音量调速、混音合并； 视频工具：视频转 MP4、M3U8 转 MP4、视频压缩、消音、变速、倒放、转 GIF、帧提取； 图片工具：HEIC 转 JPG、图片压缩、去水印、图片转 PDF、GIF 互转、帧提取； PDF 文档工具：PDF 转 Word/Excel/PPT/TXT，Word/Excel/PPT/TXT 转 PDF，图片转 PDF。 适合苹果用户 HEIC照片兼容、短视频剪辑提取音频、网课 M3U8保存、职场PDF文档互转、日常图片压缩分享，支持批量处理。 支持批量转换操作、无损编码、无水印导出！ 如果使用满意，欢迎给我们五星好评，你的支持是持续更新动力！ ## Key features - Audio conversion and editing - Video conversion and editing - Image conversion and editing - PDF document conversion - Batch processing - Lossless encoding - Watermark-free export ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 月费 | $1.99 | one-time | | 季费 | $3.99 | one-time | | 年费 | $6.99 | one-time | | 周费 | $0.99 | one-time | ## Is 格式转换 safe? Not enough ratings yet to assess 格式转换. ## Is 格式转换 legit? 格式转换-视频音频图片PDF转换 appears to be a legitimate app. The AppsHunter Legitimacy Score for 格式转换 is 90 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/pdf/id1592081958/reviews.md ### 1/5 — 垃圾 *2025-08-21* 转换的时候一直闪退 而且还要什么充VIP 黑心 功能还不好 就那几个 千万不要买 我下这个是有事 不是来骗人的 创作者太没良心了 ### 5/5 — 不错 值得下载 *2024-09-07* 非常不错 ### 5/5 — 是不是只有是会员才能用 *2023-06-10* 是不是只有会员才能用 ### 2/5 — 收费不明朗 *2023-03-07* 标价一年收费45元,结果收我70元。客服虚设 ### 1/5 — 不好用，真的超级难用 *2022-05-22* 点开转换就开始闪退，我试了无数次还是这样，真的很无语 ### 1/5 — 直接闪退 *2022-04-18* 直接闪退 **Developer response:** 亲，不好意思给你带来了不好的体验。可以联系客服解决哈 ### 5/5 — 很好，很强大。 *2022-03-09* 感谢开发团队。 ### 1/5 — 不能用 *2022-03-03* 不要下载 **Developer response:** 亲，不好意思给你带来了不好的体验。可以联系客服解决哈 ## Frequently asked questions about 格式转换 ### What file formats can 格式转换 convert? 格式转换 supports a wide range of formats including audio (MP3, AAC, etc.), video (MP4, M3U8, GIF, etc.), images (JPG, HEIC, etc.), and PDF documents. It can also convert between common office document formats like Word, Excel, and PPT to PDF and vice versa. ### Does 格式转换 support batch processing? Yes, 格式转换 supports batch conversion operations, allowing you to process multiple files simultaneously. This feature is highlighted as a key benefit for efficient file management. ### Can I edit audio and video files with 格式转换? Yes, 格式转换 includes various editing tools for audio and video. For audio, you can extract, trim, adjust volume, and mix. For video, you can compress, mute, change speed, reverse, and extract frames. ### Does 格式转换 have ads? Yes, 格式转换 contains advertisements. As a free application with in-app purchases, advertisements are part of the monetization strategy. ### What is the update frequency for 格式转换? The latest version, 2.0.0, was last updated on November 11, 2026. While this indicates a recent update, the frequency of future updates is not explicitly stated but is implied to be ongoing based on user feedback. ### Is 格式转换 available on Android devices? Based on the provided data, 格式转换 is supported on iPhone, iPad, and iPod. There is no information indicating support for Android devices. ### What are the benefits of using 格式转换 for HEIC photos? 格式转换 is beneficial for Apple users who need to convert HEIC photos to JPG format, ensuring better compatibility with other devices and platforms. It also offers image compression and watermark removal. ### How does 格式转换 handle PDF document conversions? 格式转换 allows you to convert PDF documents to Word, Excel, PPT, and TXT formats, as well as convert these office document types into PDFs. It also supports converting images directly into PDF files. ## Version history (last 5 releases) ### 2.0.0 — 2026-11-11 1.音视频能力大幅扩充：在原有转格式、视频转音频之外，新增剪辑、压缩、变速、倒放、消音、调音、降噪、合并混音、音视频分离、伴奏提取、音频录制等。 2.图片与 GIF：新增压缩、旋转、裁剪、抹除、涂鸦，以及图片转 PDF、图片合成 GIF、GIF 转视频、GIF 帧提取。 3.文档互转：支持 PDF 与 Word、Excel、PPT、TXT、图片互相转换。 4.导入更方便：支持相册、文件、其他 App 打开，以及 M3U8 下载 / 转 MP4。 ### 1.0.3 — 2022-09-19 优化已知bug，提升用户体验 ### 1.0.2 — 2022-05-25 修复bug，提升用户体验 ### 1.0.1 — 2022-01-20 1：格式转换新增码率和帧率调节 2：修复已知bug ### 1.0 — 2021-10-29 No release notes. ## Apps similar to 格式转换 | App | Rating | Price | Category | | --- | --- | --- | --- | | [格式转换器-讯捷视频转换器](https://appshunter.io/ios/app/id6461724362) | 5.0 (3) | Free | Productivity | | [格式转换-视频音频图片转换器](https://appshunter.io/ios/app/id6740067513) | — | Free | Productivity | | [Converter - Format Converter](https://appshunter.io/ios/app/converter-format-converter/id6469029505) | 4.6 (25) | Free | Productivity | | [139邮箱-手机号即是邮箱号](https://appshunter.io/ios/app/139/id474433226) | 4.6 (107) | Free | Productivity | | [The Image Converter □](https://appshunter.io/ios/app/the-image-converter/id860858310) | 4.6 (16,718) | Free | Productivity | | [快递100](https://appshunter.io/ios/app/100/id458270120) | 4.7 (1,418) | Free | Productivity | ## More apps by 强 孙 - [字幕视频制作](https://appshunter.io/ios/app/id1469862201) - [音频剪辑大师-视频转mp3伴奏提取](https://appshunter.io/ios/app/mp3/id1563845562) - [音频提取器-音视频提取格式转换器](https://appshunter.io/ios/app/id1571104765) - [视频压缩-视频文件图片照片压缩软件](https://appshunter.io/ios/app/id1584783493) - [AI换脸-一键视频换脸换装制作](https://appshunter.io/ios/app/ai/id1589962850) All apps by 强 孙: https://appshunter.io/developer/1469862200 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-11.*