Your Suite of Quick Online Tools
Effortlessly manage your subtitles and PDF documents with our free, secure, and fast browser-based tools.
Explore ToolsVisual VTT Subtitle Styler
Go beyond plain text. With our visual editor, you can apply colors, formatting, and precise on-screen positioning to your VTT files. See a real-time preview of your changes as you make them.
- Live preview shows how subtitles will appear over video.
- Control text color, background, and alignment.
- Adjust vertical and horizontal positioning with simple sliders.
- Apply styles globally or to individual cues for emphasis.


Smart Subtitle Synchronizer
Fixing out-of-sync subtitles has never been easier. Simply upload your video and subtitle file, find one line of dialogue that matches the audio, and our tool will automatically calculate and apply the correct time shift to the entire file.
Try This ToolSeamlessly Merge PDF Files
Combine reports, presentations, and documents with ease. Our PDF merger allows you to upload multiple files, reorder them with a simple drag-and-drop interface, and combine them into a single, polished PDF document.

1. Upload Files
Select or drag all the PDF files you wish to combine into the tool.

2. Arrange Order
Drag the file thumbnails into your desired sequence for the final document.

3. Download
Click the merge button to instantly generate and download your combined PDF.
Instant SRT to VTT Conversion
The industry standard for web video subtitles is WebVTT (.vtt). Our converter instantly refactors your legacy SubRip (.srt) files into the modern VTT format, ensuring compatibility and enabling advanced styling options.

Other PDF Utilities
Frequently Asked Questions
Have questions? We've got answers.
- Are my files safe? Are they uploaded anywhere?
- Yes, your files are completely safe. All our tools operate client-side, meaning the processing happens on your own computer within the browser. Your files are never sent to or stored on any server, guaranteeing your privacy.
- Is this service really free to use?
- Absolutely. All tools on this website are 100% free to use without any limitations on the number of files or file sizes. There are no hidden fees or subscriptions.
- What devices and browsers are supported?
- Our tools are built with modern web technologies and should work on the latest versions of most desktop browsers like Chrome, Firefox, Safari, and Edge. Performance may vary depending on your device's processing power.
- Will using the PDF tools reduce the quality of my document?
- No. Operations like merging, reordering, or removing pages are lossless. They only rearrange or remove existing data without re-compressing or altering the quality of your original pages.