Free Online Tools
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Code Formatters
Code Formatter and Code Beautifier tools for Python, JSON and other languages.
JSON & Data Tools
Compare JSON, validate schemas, and convert JSON to CSV or YAML.
Spreadsheet Tools
View CSV and Excel files, format tables, or convert CSV to Excel and SQL.
Markdown Tools
Write in Markdown Editor and convert Markdown to HTML or plain text.
Text Tools
Compare text, count words, sort lines, and find or replace text.
Audio Conversion & Playback
Convert audio, play sound or PCM files, and edit audio metadata.
Audio Editing & Effects
Edit, join or split audio, remove noise, and adjust speed, pitch or volume.
Speech Tools
Generate AI speech from text, transcribe recordings, or record your voice.
Video Tools
Convert and compress video, trim clips, or resize frames.
Video Playback & Recording
Play video, record your screen or camera, or use Online Mirror.
PDF Tools
Merge PDF, split pages, compress files, and convert PDF to images.
Image Tools
Convert images, resize photos, compress files, and extract text with OCR.
Image Creation
Create GIFs, text images, screenshots, word clouds and favicons.
Subtitle Tools
Edit subtitles, convert SRT to VTT, and adjust subtitle timestamps.
Archive Tools
Extract archives, create ZIP files, and compress folders.
Encoders | Decoders
Encode or decode Base64, escape URLs, and work with HTML or Unicode escapes.
- Base64 Encode
- URL Encode
- Base32 Encode
- Base58 Encode
- Base85 Encode
- URL Parser
- HTML Entity Escape
- Unicode Escape
- JWT Decoder & Verifier
- String Escape
More tools
Number Tools
Convert number bases, turn numbers into words, and work with binary or hex.
Calculators
Use percentage, fraction and statistics calculators for everyday calculations.
Time Tools
Check Online Clock, use Stopwatch, or calculate date differences.
Network Tools
Find your IP address, test IPv6, and calculate CIDR ranges.
Unit Conversions
Convert units of length, weight, temperature and data storage.
Color Tools
Convert colors, pick a palette from an image, and check color contrast.
QR Codes & Barcodes
Create or read QR codes and barcodes, including Wi-Fi QR codes.
Developer & Security Tools
Generate hashes, passwords and UUIDs, test regular expressions, and work with code utilities.
- Hash Generator
- UUID Generator
- UUID v7 Generator
- ULID Generator
- Regex Tester
- Slug Generator
- HMAC Generator
- Unix Permissions Calculator
- SQL IN List Converter
- Random Number Generator
More tools
Utility Tools
Check screen size, measure with a screen ruler, test your keyboard, or use a teleprompter.
Games
Take a break with Smash Golden Eggs.
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Frequently asked questions
Will my files and code be uploaded?
Most tools process files and code in your browser without uploading them. Some code formatters send code to the server and delete it immediately after processing.
Where are my favorite tools saved, and how can I remove them?
Favorites are saved only in this browser, with no account required or server sync. Open a tool’s page and select Favorite or Favorited to add or remove it, or choose Clear favorites to remove all favorites. Clearing browser data also removes them.
Are the tools free, and do I need an account?
The tools are free to use and do not require registration.
How can I find the right tool?
Search by tool name, file format or task, or browse the categories. For example, search for Python Formatter, JSON or audio converter to find a matching tool.
Can I use these tools on a phone or tablet?
Yes. The layout adapts to smaller screens. Some features depend on your browser, and large files may need more memory than your device has available.
Why does a tool download resources the first time I use it?
Some tools need to download processing resources before they can run. Processing starts after the download, and your browser can cache these resources for later use.