Free online Base64 batch encoding and decoding tool with multi-line batch processing, URL Safe variant, and original text reference.
TL;DR: Free online Base64 batch processor with multi-line encode/decode, URL Safe variant, and original text reference. Greatly improves batch processing efficiency. Runs locally, no registration required.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Batch process multiple lines of Base64 encoding/decoding directly in your browser — all operations run locally with no usage limits.
Supports both batch encode and batch decode modes, with one item per line. Options include URL Safe variant, keep original for reference, and custom separator for greatly improved batch processing efficiency.
No. All Base64 encoding and decoding runs locally in your browser. Your data is never sent to any server, ensuring privacy and security.
There is theoretically no line limit, but processing speed for very large batches depends on your device performance. Since processing is entirely local, there is no risk of data leakage.
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