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AES Encryption/Decryption

Free online AES encryption/decryption tool, supporting multiple modes (CBC, ECB, CFB, OFB) and padding methods, with customizable keys.

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All-in-One Hash Calculator

Free online All-in-One Hash Calculator. Runs entirely in your browser, no data uploaded, ready to use.

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Base64 Encoder/Decoder

Online Base64 encoder/decoder supporting text and files, fast and secure conversion.

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Base64 Image Converter

Free online Base64 Image Converter. Runs entirely in your browser, no data uploaded, ready to use.

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Caesar Cipher

Free online Caesar Cipher. Runs entirely in your browser, no data uploaded, ready to use.

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CRC32 Checksum

Free online CRC32 Checksum. Runs entirely in your browser, no data uploaded, ready to use.

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Hex Encoding/Decoding

Free online hexadecimal encoder/decoder, converts between text and HEX quickly and accurately.

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HMAC Calculator

Free online HMAC Calculator. Runs entirely in your browser, no data uploaded, ready to use.

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HTML Entity Encoder/Decoder

Online HTML entity encoder/decoder, converts special characters to entities to prevent XSS.

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MD5 Encryption

Free online MD5 hash generator, converts text to 32-character MD5 with uppercase/lowercase output.

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Morse Code Conversion

Online Morse code converter, converts text to Morse code and back, with audio playback.

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SHA1 Encryption

Free online SHA1 generator, creates 40-character SHA1 hashes for digital signatures and file checks.

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SHA256 Encryption

Free online SHA256 generator, produces secure 64-character hashes for blockchain and data integrity.

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SHA512 Encrypt

Free online SHA512 Encrypt. Runs entirely in your browser, no data uploaded, ready to use.

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Unicode Encoder/Decoder

Online Unicode encoder/decoder, converts characters to \u escape sequences or back to readable text.

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URL Encode/Decode

Online URL encode/decode tool supporting encodeURIComponent/decodeURIComponent, one-click conversion.