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Cereio

All tools

Conversions and calculations

Unix timestamp conversion
JSON/YAML conversion
File size conversion
IP/Subnet Computing
Number formatting
Base conversion
Unit conversion
XML/JSON conversion
Factorial Calculator
date calculator
Original code, inverse code and complement code

Format

JSON formatting
XML formatting
YAML formatting
JavaScript formatting
CSS formatting
SQL formatting
Markdown editor

Encoding and decoding

Unicode conversion
ASCII conversion
Base64 codec
URL codec
JWT decoding
Hash generation
Morse code

generator

random string
password generator
UUID generator
random integer generator

development tools

DNS record query
Mail DNS check
Reverse DNS lookup
CAA Record Check
DNSSEC status check
IP and connection detection
URL parsing and parameter editing
Cron expression parsing
User-Agent parsing
Text difference comparison
Regular expression testing
Quick check of commonly used Linux commands
Commonly used regular templates
Local MicroPython interpreter
Native Lua interpreter
SQLite read-only viewer

prompt word

Token count
System prompt word construction
prompt word template

text tool

Case conversion
Word and Character Counter
Text Cleaner
Simplified / Traditional Chinese Converter
local text recognition
Picture table draft extraction
Mixed spaces between Chinese and Western languages
ASCII word art
Native text reading
Basic rich text editor
Special text generator

Picture tools

Image Joiner and Collage
Image Annotator
Local picture cutout
Image object detection and counting
GIF animation synthesis
GIF animated breakdown
Image compression
Text to image
QR code tool
Pictures with Base64
Image zoom
Picture pixel color selection
Image format conversion
Picture text watermark
Nine palace grid cut diagram
Picture retro compression effect
Phantom tank pictures
Image cropping and rotation
Picture sketch effect
Picture reverse color

everyday tools

Relative title calculator
pomodoro clock
life weekly grid
What to eat today
electronic wooden fish
Daily dry humor
Heart-warming short sentences
BMI Calculator
year stem and branch conversion

file tools

Merge PDF
Organize PDF Pages
Excel / CSV Converter
Merge Spreadsheets
Clean and Deduplicate Spreadsheet
PDF to image
Image to PDF
ZIP compression and decompression

Audio and video tools

Convert video clips to GIF
Audio clip extraction
Convert WebM clips to MP4
Local screen recording

All tools

Home page / Tool catalog / Audio and video tools

Local audio and video processing tools

Capture video, extract audio, convert short clips or record your screen right in your browser.

Select tool

Convert video clips to GIF
Capture short video clips locally, zoom out and generate looping GIFs.
Audio clip extraction
Extract audio tracks from local audio and video files and export two-channel WAV.
Convert WebM clips to MP4
Convert WebM clips to H.264/AAC MP4 in supported browsers.
Local screen recording
You choose to share the window or screen, record the screen and download it locally.

How to choose

Check the fragment range first: For long videos, please select only the required starting point and length, and adhere to the input size and clip length restrictions.
Browser support varies: Codec capabilities are provided by devices and browsers. Unsupported formats will report an error and will not be uploaded to the transcoding service.

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