Categories
Code Tools
online tools collection · 84 tools
URL Encode/Decode
Percent-encode or decode URL text.
Percent-encode or decode URL text.
Free Official
👁 8,396
⭐ 4.9
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JS/HTML Formatter
Basic beautifier for JavaScript and HTML.
Basic beautifier for JavaScript and HTML.
Free Official
👁 8,289
⭐ 4.7
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URL GET Params Formatter
Format URL query parameters line by line.
Format URL query parameters line by line.
Free Official
👁 8,143
⭐ 4.7
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IP/Integer Converter
Convert IPv4 address to integer and back.
Convert IPv4 address to integer and back.
Free Official
👁 8,038
⭐ 4.7
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Regex Tester
Test regex patterns against text, list matches.
Test regex patterns against text, list matches.
Free Official
👁 8,034
⭐ 4.7
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YAML to JSON
Convert simple YAML to JSON.
Convert simple YAML to JSON.
Free Official
👁 7,948
⭐ 4.8
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Unicode Converter
Convert text to \uXXXX escapes and back.
Convert text to \uXXXX escapes and back.
Free Official
👁 7,613
⭐ 4.6
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cURL Beautifier
Reformat cURL command into readable multi-line.
Reformat cURL command into readable multi-line.
Free Official
👁 7,547
⭐ 5.0
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Morse Code
Encode text to Morse or decode Morse to text.
Encode text to Morse or decode Morse to text.
Free Official
👁 7,324
⭐ 4.8
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UUID Generator
Generate random UUID v4 strings.
Generate random UUID v4 strings.
Free Official
👁 6,692
⭐ 4.7
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Escape Encode/Decode
Encode or decode escape sequences.
Encode or decode escape sequences.
Free Official
👁 6,687
⭐ 4.6
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File Hash
Compute MD5/SHA1/SHA256/CRC32 of Base64 content.
Compute MD5/SHA1/SHA256/CRC32 of Base64 content.
Free Official
👁 6,453
⭐ 4.7
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About Code Tools
We curated 84 tested online tools covering Code Toolscommon task scenarios. All tools are free without installation.
Are these tools free?
Most tools offer free quota; AI tools are billed per call with daily free limits.
How are tools reviewed?
Every tool passes functional, security and stability checks before listing.