All 30 tools
Search by name, filter by category, switch the layout — every tool runs locally in your browser.
No tools match your search
Try a different keyword, or clear the filter.
JSON Formatter
Pretty-print and indent JSON instantly.
JSON Minifier
Strip whitespace to compress JSON.
JSON Validator
Check if JSON is syntactically valid.
JSON to CSV
Convert a JSON array of objects into CSV.
JSON to XML
Translate JSON into well-formed XML.
JSON to YAML
Convert JSON into readable YAML.
Base64 Encode/Decode
Encode or decode Base64 text.
URL Encode/Decode
Percent-encode or decode URLs.
JWT Decoder
Decode JWT header and payload (no signature verification).
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Password Generator
Create strong random passwords.
HMAC Generator
Compute HMAC with SHA-256/384/512.
API Request Tester
Send HTTP requests from your browser.
HTTP Headers Checker
Inspect response headers of any URL.
IP Finder
Look up your public IP and basic info.
User-Agent Parser
Parse a UA string into browser/OS/device.
DNS Lookup
Resolve A, AAAA, MX, TXT records via DoH.
cURL Converter
Convert a cURL command to fetch() code.
HTML Beautifier
Format and indent HTML markup.
CSS Minifier
Remove whitespace and comments from CSS.
JS Minifier
Compact JavaScript by removing whitespace.
Code Diff
Compare two text blobs line-by-line.
Regex Tester
Test regular expressions against sample text.
Text Case Converter
Convert text between case styles.
Timestamp Converter
Convert between Unix timestamps and dates.
UUID Generator
Generate v4 UUIDs.
Color Converter
Convert between HEX, RGB, and HSL.
Lorem Ipsum Generator
Generate placeholder text by paragraphs/words.
Random Number
Pick random integers in any range.
Word Counter
Count words, characters, sentences, lines.
Pretty-print and indent JSON instantly.
Strip whitespace to compress JSON.
Check if JSON is syntactically valid.
Convert a JSON array of objects into CSV.
Translate JSON into well-formed XML.
Convert JSON into readable YAML.
Encode or decode Base64 text.
Percent-encode or decode URLs.
Decode JWT header and payload (no signature verification).
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Create strong random passwords.
Compute HMAC with SHA-256/384/512.
Send HTTP requests from your browser.
Inspect response headers of any URL.
Look up your public IP and basic info.
Parse a UA string into browser/OS/device.
Resolve A, AAAA, MX, TXT records via DoH.
Convert a cURL command to fetch() code.
Format and indent HTML markup.
Remove whitespace and comments from CSS.
Compact JavaScript by removing whitespace.
Compare two text blobs line-by-line.
Test regular expressions against sample text.
Convert text between case styles.
Convert between Unix timestamps and dates.
Generate v4 UUIDs.
Convert between HEX, RGB, and HSL.
Generate placeholder text by paragraphs/words.
Pick random integers in any range.
Count words, characters, sentences, lines.
JSON Tools
6 tools
Pretty-print and indent JSON instantly.
Strip whitespace to compress JSON.
Check if JSON is syntactically valid.
Convert a JSON array of objects into CSV.
Translate JSON into well-formed XML.
Convert JSON into readable YAML.
Encoding & Security
6 tools
Encode or decode Base64 text.
Percent-encode or decode URLs.
Decode JWT header and payload (no signature verification).
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Create strong random passwords.
Compute HMAC with SHA-256/384/512.
API & Network
6 tools
Send HTTP requests from your browser.
Inspect response headers of any URL.
Look up your public IP and basic info.
Parse a UA string into browser/OS/device.
Resolve A, AAAA, MX, TXT records via DoH.
Convert a cURL command to fetch() code.
Code Tools
6 tools
Format and indent HTML markup.
Remove whitespace and comments from CSS.
Compact JavaScript by removing whitespace.
Compare two text blobs line-by-line.
Test regular expressions against sample text.
Convert text between case styles.
Utility Tools
6 tools
Convert between Unix timestamps and dates.
Generate v4 UUIDs.
Convert between HEX, RGB, and HSL.
Generate placeholder text by paragraphs/words.
Pick random integers in any range.
Count words, characters, sentences, lines.