AI字幕ジェネレーター
In today’s explosion of short videos, online teaching, and self-published content, subtitles have become an integral part of videos. It not only improves the viewing experience and facilitates the hearing impaired, but also enhances the SEO effect and makes your video more searchable and recommendable on the platform.
However, many creators and beginners don’t have experience in subtitling when they first start making videos, and they don’t want to invest high costs at the beginning. So, more and more people start searching: “Is there a free subtitle generator?”
If you are also looking for a really free, easy-to-use and accurately recognized automatic subtitle tool, then this article will provide you i help. This article will give you detailed information about the common ways of subtitle generation, the limitations of using free tools, and how to generate professional subtitles quickly and efficiently for free with an AI tool like イージーサブ.
Many people think of subtitling as “typing a few words”, but in reality, subtitling usually involves three core components:
Mistakes in any of these three steps can result in inaccurate and unsynchronized subtitles, affecting the viewing experience or even preventing import into the platform.
Traditional subtitling requires typing while listening and manually adjusting the start and end times of each sentence. A 10-minute video can take over an hour to complete basic subtitling. If bilingual subtitles are required, additional translation and typesetting will be required.
Although there are some so-called “free subtitle tools” on the market, you are likely to encounter the following problems in actual use:
So many people ask: “Is there any really free and good subtitle generator?”
The answer is: yes, for example, Easysub offers a free trial program to generate multilingual subtitles in one click without downloading.
Next, we’ll cover the types of free subtitle generation tools and how to choose the right subtitle solution for your video.
The answer is obvious: free subtitle generators do exist!
However, it should be clear that there are many kinds of “free subtitle generators” on the market, but their functions, limitations, and operating difficulties are very different. Not all “free” are really practical, and not all “free” are suitable for your video needs.
Below, let’s take a look at the common free subtitle generators and their respective advantages and disadvantages.
Platforms like YouTube have built-in automatic subtitle features that automatically recognize the language content of a video and generate subtitles after uploading.
適しています: YouTube native creators, people who don’t need to output subtitle files
Such tools can be used for free, but are essentially manual subtitle editing software. Users need to do the dictation, translation and timeline addition themselves.
適しています: technical users, subtitle professionals, content creators who have time and energy to deal with subtitles
イージーサブ is a subtitle generation platform based on AI technology that offers a free trial version, allowing users to experience the complete process of automatic subtitle generation and translation.
Pros:
制限事項: The free version has certain limitations on video length or frequency of use, suitable for introductory testing and light use.
適しています: short video creators, self-publishers, educational content exporters, startup teams with limited budgets
Among many subtitle tools, Easysub is one of the few AI subtitle generation platforms that is truly “free to use, auto-translate, multi-language support, and easy to operate”. Built for content creators, self-publishers, educational institutions, and corporate video users, Easysub makes it easy to create subtitles without subtitling experience.
Easysub is an AI-based online video subtitle generation platform that integrates speech recognition (ASR), natural language processing (NLP), automatic translation and visual subtitle editing. It can help you take the voice content in your videos:
All this is done on the web, without any software installation.
While Easysub offers a premium paid plan, it is also very generous in opening up the free trial feature to new users for most light use scenarios.
| 特集カテゴリー | Free Plan Availability |
|---|---|
| Video Upload | ✅ Supports local files and YouTube links |
| Auto Subtitle Generation | ✅ Includes speech recognition and timecoding |
| Language Recognition | ✅ Supports multiple languages (JP, EN, CN, etc.) |
| 字幕翻訳 | ✅ English and other language translation (limited quota) |
| 字幕編集 | ✅ Visual editor to modify text and timing |
| エクスポート形式 | ✅ Supports .srt, .。TXT |
| User Interface | ✅ Beginner-friendly, easy to use |
No software to install, no subtitle basics required, and in just a few steps, you can use Easysub to automatically generate subtitles for your videos and translate them into multiple languages for free. Here’s a clear and concise beginner’s guide for every content creator, self-publisher or educator to get started!
Easysub does the following tasks automatically:
Although Easysub offers very useful permanent free features, it also offers a wealth of premium features for users with larger amounts of content and higher requirements for subtitle accuracy and functionality. Below is a comparison of the features of the free version and the paid version to help you quickly determine which version is best for you.
| 特集カテゴリー | Free Plan | Pro Plan |
|---|---|---|
| Video Duration Limit | Up to 10 minutes | Up to 2 hours or more |
| Supported Languages | Multi-language recognition (EN/JP/CN, etc.) | All supported languages + priority processing |
| 字幕翻訳 | Basic translation with limited quota | Unlimited translation + terminology handling |
| エクスポート形式 | .srt, .。TXT | .srt, .vtt, .ass, .。TXT, hardcoded video export |
| 編集機能 | Basic text and timing editing | Advanced styling, fonts, positioning adjustments |
| Hardcoded Subtitles | ❌ サポートされていません | ✅ Supported |
| Batch Processing | ❌ Not available | ✅ Upload and process multiple videos at once |
| Commercial Use License | ❌ Personal use only | ✅ Includes commercial rights for branding, courses, etc. |
コンテンツのグローバル化と短編動画の爆発的な増加の時代において、自動字幕作成は動画の視認性、アクセシビリティ、プロフェッショナリズムを高めるための重要なツールとなっています。.
AI字幕生成プラットフォームでは、 イージーサブ, コンテンツ制作者や企業は、高品質で多言語対応の正確に同期されたビデオ字幕を短時間で制作できるため、視聴体験と配信効率が大幅に向上します。.
コンテンツのグローバル化と短編動画の爆発的な増加の時代において、自動字幕作成は動画の視認性、アクセシビリティ、そしてプロフェッショナリズムを高めるための重要なツールとなっています。EasysubのようなAI字幕生成プラットフォームを活用することで、コンテンツ制作者や企業は、高品質で多言語対応、かつ正確に同期された動画字幕を短時間で作成でき、視聴体験と配信効率を劇的に向上させることができます。.
Whether you’re a beginner or an experienced creator, Easysub can accelerate and empower your content. Try Easysub for free now and experience the efficiency and intelligence of AI subtitling, enabling every video to reach a global audience across language borders!
わずか数分で AI を活用してコンテンツを強化できます。
👉無料トライアルはこちらをクリックしてください: easyssub.com
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