Base64 Encode
FreeEncode text to Base64.
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18 lightweight tools — 13 free, 5 Pro (unlock for $19.99 when checkout launches).
Pro tools are visible now and unlock after a one-time payment when Pro goes live.
Encode text to Base64.
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Decode Base64 to text.
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Percent-encode URL components.
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Decode percent-encoded URLs.
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Generate random UUID v4 values.
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SHA-256 hashes in the browser.
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Inspect JWT header and payload.
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Escape HTML special characters.
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Unescape HTML entities.
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Convert epoch seconds to dates.
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Describe cron expressions in plain English.
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Convert HEX and RGB colors.
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Escape strings for JSON literals.
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Create HMAC-SHA256 signatures.
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Verify bcrypt hashes (light).
Developer Tools Light backend
Format small OpenAPI fragments.
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Parse browser user-agent strings.
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Compare semantic version numbers.
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