Cron Calendar
Explain cron expressions and preview the next run times in any timezone.
OpenDecode Base64 to text. - runs entirely in your browser. Free, fast and private.
Add encoded strings, with or without padding.
Invalid characters highlight before decode fails.
Bytes map back to UTF-8 plain text output.
Use the readable result in your app or editor.
You inherited a config value that looks like alphabet soup ending in =. Base64 Decoder turns it back into readable text so you can see whether it is JSON, a key, or corrupted padding.
Decode during incident response, when reading Basic auth demos, or when an upstream system Base64-wrapped a payload "for safety." Invalid characters and bad padding are the usual failures; fix whitespace and length before you assume the secret is wrong.
Pitfall: decoding untrusted Base64 into HTML and rendering it. Treat output as data, not markup.
Tip: if decode yields binary garbage, you may be looking at compressed or encrypted bytes, not UTF-8 text.
Strings you paste are decoded in-browser. Handy when the encoded blob might contain credentials you would rather not drop into a hosted decoder.
Processes data instantly with no server round-trips.
Your data never leaves your browser. Nothing is uploaded.
Works in any modern browser. Nothing to download or install.
No limits, no sign-up, no credit card required.
Works on desktop, tablet and mobile devices.
Beautiful in both themes. Your preference is saved.
Keyboard shortcut
Reveal what a Base64 setting actually stores.
Decode fields that arrive Base64-encoded in JSON.
Inspect encoded tokens locally during an outage.
Answers for this tool. For site-wide help, open the FAQ hub.
Base64 Decoder decode base64 to text. Output stays in your browser for quick iteration.
Prefer redacted samples. Even with local processing, treat prod credentials carefully and rotate anything accidentally shared.
No. Generators and linters produce text for you to copy into Git, CI, or consoles - they do not deploy for you.
Always run official CLIs (kubectl, terraform plan, actionlint, etc.) on the final files after using Base64 Decoder as a starting point.
Syntax may vary across Kubernetes/Terraform/GitHub Actions versions. Adjust generated snippets to your runtime version.
After the page loads, most authors work offline. Keep a local copy of critical manifests.
Use Sample to learn the format, edit, then Download/Copy into your editor.
Request it via Contact with the platform and version you use.