Categories
Code Tools
online tools collection · 84 tools
AI Code Generator
code / code-generate / ai
30+ languages: completion, explanation, refactoring.
AI Free Official
👁 410,001
⭐ 4.6
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Code Formatter
code / code-format
Format JS/Python/JSON/SQL with one click.
Free
👁 150,004
⭐ 4.5
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Base64 Encoder/Decoder
Base64 encoding/decoding, text and data conversion.
Free Official
👁 82,318
⭐ 4.6
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JSON Formatter
Format/validate JSON with adjustable indentation.
Free Official
👁 54,638
⭐ 4.6
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JSON to SQL
Generate CREATE TABLE and INSERT statements.
Generate CREATE TABLE and INSERT statements.
Free Official
👁 9,949
⭐ 4.6
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Base32 Encode/Decode
Encode or decode Base32 strings.
Encode or decode Base32 strings.
Free Official
👁 9,941
⭐ 4.7
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RC4 Encrypt/Decrypt
Encrypt or decrypt data with RC4 stream cipher.
Encrypt or decrypt data with RC4 stream cipher.
Free Official
👁 9,727
⭐ 4.7
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UTF-8 Encode/Decode
Convert text to UTF-8 hex and back.
Convert text to UTF-8 hex and back.
Free Official
👁 9,126
⭐ 4.8
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JSON Minify
Validate and minify JSON to one line.
Validate and minify JSON to one line.
Free Official
👁 9,102
⭐ 4.7
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JSON to Java Classes
Generate Java POJO classes from JSON.
Generate Java POJO classes from JSON.
Free Official
👁 8,729
⭐ 4.7
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Subnet Calculator
Calculate mask, network, broadcast and hosts from CIDR.
Calculate mask, network, broadcast and hosts from CIDR.
Free Official
👁 8,650
⭐ 4.7
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GET Params to JSON
Convert URL query string to JSON.
Convert URL query string to JSON.
Free Official
👁 8,506
⭐ 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.