Audio & Video Tools
Audio & Video Tools icon

Audio & Video Tools

Process audio and video files, convert formats, generate tones, extract thumbnails, and work with subtitles and media metadata.

Start typing to search…

At a glance

2300+

Tools available

100%

Free to use

No

Account needed

Instant results

Most tools run in your browser for speed and privacy.

Private by default

Your inputs stay on your device, we don't store them.

All Audio & Video Tools tools

30 tools in this category

YouTube Thumbnail Downloader

YouTube Thumbnail Downloader

Download YouTube thumbnails in HD, 1080p, 4K and more. Our free online tool works in your browser, requires no signup, and keeps your data private. Fast, easy.

VTT to Text Converter

VTT to Text Converter

VTT to Text Converter

VTT to SRT Converter

VTT to SRT Converter

VTT to SRT Converter

Call Recorder

Call Recorder

Record audio calls and conversations online. High-quality voice recording with download options. Perfect for interviews, meetings, and important conversations.

Tone Generator

Tone Generator

Generate pure audio tones and frequencies online. Test your speakers, tune instruments, or create audio signals with our free tone generator tool.

Screen Recorder

Screen Recorder

Record your screen, webcam, or both with our online screen recorder. No installation required, works directly in your browser with high-quality recording and instant download.

Gif Player

Gif Player

Play, pause, and control animated GIF images online. Free GIF player with playback controls, speed adjustment, and frame-by-frame navigation.

MP3 to Base64 Converter

MP3 to Base64 Converter

Convert MP3 audio files to Base64 format instantly. Free online MP3 to Base64 converter with batch processing support.

Gif Viewer

Gif Viewer

Upload or paste GIF URL to preview animated GIFs in browser

GIF Splitter

GIF Splitter

Split animated GIF files into individual frames directly in your browser.

Playback Speed Calculator

Playback Speed Calculator

Calculate effective duration and time saved when changing video or audio playback speed instantly in browser.

SRT to CSV

SRT to CSV

Convert SRT subtitle files to CSV format online. Easily extract timestamps and subtitle text into a spreadsheet.

SRT to Excel

SRT to Excel

Convert SRT subtitle files to Excel format online. Extract subtitle timestamps and text to an Excel spreadsheet.

SRT to XLSX

SRT to XLSX

Convert SRT subtitle files to XLSX format online. Import subtitles into an Excel workbook instantly.

SRT to XLS

SRT to XLS

Convert SRT subtitle files to XLS format online. Download subtitle cues as an XLS spreadsheet.

SRT to Text

SRT to Text

Convert SRT subtitle files to plain text online. Remove timestamps and subtitle numbers to get clean text.

SRT to VTT

SRT to VTT

Convert SRT subtitle files to WebVTT (.vtt) format online. Keep formatting and adjust time formats automatically.

Add or Replace Audio in Video

Add or Replace Audio in Video

Easily add new audio to your video (mixing with original sound) or completely replace the video's existing audio. Keeps original video length. Option to loop shorter audio. Adjust added audio volume in dB.

Add Watermark to Video

Add Watermark to Video

Easily add a text or image watermark to your videos online. Customize position, size, font, and color. No uploads required.

Adjust Video Speed

Adjust Video Speed

Easily change video playback speed (slow motion or fast forward) online. Supports 0.25x to 4.0x speed adjustment. Free, client-side processing.

Audio Extractor

Audio Extractor

Extract high-quality audio tracks from video files (MP4, WebM) directly in your browser without uploading files to any server.

Audio Splitter

Audio Splitter

Cut or split your audio files into smaller segments. Select start and end times to trim and download your audio clip instantly.

CSV to SRT Converter

CSV to SRT Converter

Convert CSV subtitle data to SRT format instantly. Supports multiple time formats, automatic time detection, and one-click download.

Flip Video

Flip Video

Flip videos horizontally or vertically in your browser. 100% client-side processing for complete privacy.

MP3 Looper

MP3 Looper

Upload an MP3 or audio file, select a specific region, and loop it seamlessly with adjustable playback speed and visual waveform.

MP3 Reverser

MP3 Reverser

Upload your MP3 or other audio files and reverse them instantly online. Download the reversed audio in your browser, free and with no signup required.

MP4 to GIF Converter

MP4 to GIF Converter

Convert MP4 and other video files into high-quality animated GIFs directly in your browser. Customize resolution, frame rate, and speed.

Camera Recorder

Camera Recorder

Record video from your webcam, take screenshots, and download captures directly in your browser. No installation required.

Music Key Transposer

Music Key Transposer

Transpose chord progressions between all 12 keys instantly. Enter chords, pick the original and target key, and copy the transposed progression with a chord by chord mapping.

Metronome

Metronome

Practice with a precise online metronome using the Web Audio API. Set any tempo from 20 to 300 BPM, pick a time signature, tap to find tempo, and follow the visual beat.

Frequently asked questions

Straight answers about how Online Mini Tools works.

Are the tools on this website free to use?
Yes, all tools hosted on our website are completely free to use. We believe in providing convenient and useful utilities without any hidden costs or paywalls.
Do I need to create an account to use the tools?
No, you do not need to create an account. Our tools are accessible to everyone visiting our website instantly, without registration or login.
Can I suggest new tools or features?
Absolutely! We welcome suggestions for new tools or features that would benefit you. Please reach out to us at [email protected].
Are the results generated by these tools accurate?
We strive to ensure absolute accuracy in our tools. However, results are determined by the input data provided. We always recommend verifying critical calculations for professional or legal applications.
Are my inputs and results private and secure?
Yes, privacy and security are fundamental. Processing happens entirely client-side on your browser for most tools, and we do not store, view, or log any of your inputs, data, or results.
Are these tools compatible with mobile devices?
Yes, our layout is mobile-first. Every tool adapts beautifully to smartphones, tablets, laptops, and wide screen monitors.

Didn't find the tool you need?

We're always expanding the collection. Tell us what would make your workflow easier and we'll consider it for the roadmap.

Browser extensions for Chrome and Firefox

Search and launch any tool from your browser toolbar - available for Chrome and Firefox. Access 2300+ tools without leaving your current tab.