Free online tools for everyday tasks
Format JSON, compress images, decode tokens and more — right in your browser. No installs, no sign-up, nothing uploaded.
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Popular tools
JSON Formatter
Pretty-print and indent JSON in your browser.
JSON Validator
Check if a JSON document is syntactically valid.
Base64 Encoder/Decoder
Encode text to Base64 or decode it back, safely.
URL Encoder/Decoder
Percent-encode text or decode an encoded URL.
UUID Generator
Generate random UUID v4 identifiers.
JWT Decoder
Decode a JWT's header and payload (no verification).
All tools
View allJSON Formatter
Pretty-print and indent JSON in your browser.
JSON Validator
Check if a JSON document is syntactically valid.
Base64 Encoder/Decoder
Encode text to Base64 or decode it back, safely.
URL Encoder/Decoder
Percent-encode text or decode an encoded URL.
UUID Generator
Generate random UUID v4 identifiers.
JWT Decoder
Decode a JWT's header and payload (no verification).
Timestamp Converter
Convert between Unix timestamps and readable dates.
Regex Tester
Test a regular expression against sample text.
Word Counter
Count words, sentences and paragraphs.
Character Counter
Count characters, with and without spaces.
Case Converter
Convert text between UPPER, lower, camelCase and more.
Text Cleaner
Trim, collapse spaces and remove empty lines.
Image Compressor
Reduce image file size with adjustable quality.
Image Resizer
Resize an image to exact dimensions or a target width.
Image Converter
Convert images between JPEG, PNG and WebP.