Base64 Decoder
Decode Base64 strings or files directly in the browser with instant results.
CS Multitool Dashboard
Widget catalog
Every widget runs locally in your browser and is designed for fast, reliable workflows. No uploads required.
Decode Base64 strings or files directly in the browser with instant results.
Example: Paste SGVsbG8= to get readable text.
Example: Drop a Base64 text file to decode locally.
Example: Copy decoded output with one click.
Shift bits left or right and inspect outputs in your preferred base.
Example: Enter 1, shift left by 8, and compare results.
Example: Switch direction to verify right shifts.
Example: Read output in binary, decimal, or hex.
Convert values between bases 2–36 with clear, copy-ready output.
Example: Convert FF (base 16) to decimal.
Example: Compare binary, octal, decimal, and hex views.
Example: Copy the converted value instantly.
Explore number representations, bit layouts, and base conversions in one view.
Example: Enter a number to see multiple base formats.
Example: Inspect bit layout and length at a glance.
Example: Cross-check binary and hex representations.
Count characters, words, lines, and bytes with instant feedback as you type.
Example: Paste a paragraph to get quick counts.
Example: Check characters, words, and lines in one view.
Example: Confirm byte size and no-space counts.
A lightweight notes area with live counts and quick copy.
Example: Jot quick meeting notes or code ideas.
Example: Watch live word and character counts.
Example: Keep a scratch list during debugging.
Format, validate, and minify JSON with clear error feedback.
Example: Paste raw JSON to auto-format it.
Example: Minify output for quick sharing.
Example: Spot errors with line-level feedback.
Generate SHA-256, SHA-1, MD5, and CRC32 hashes locally.
Example: Paste a string and compute SHA-256.
Example: Switch algorithms to compare outputs.
Example: Copy hashes for verification.
Convert Unix, ISO 8601, and local time with seconds and milliseconds support.
Example: Convert 1700000000 to ISO 8601.
Example: Toggle between seconds and milliseconds.
Example: Compare UTC and local time quickly.
Inspect byte order and compare big-endian/little-endian layouts for numbers.
Example: Enter a number to see its byte layout.
Example: Compare big-endian vs little-endian results.
Example: Copy byte sequences for testing.
Generate UUID v1/v4 and ULIDs with optional fixed-time mode.
Example: Generate UUID v4 for unique identifiers.
Example: Create ULIDs with fixed time for tests.
Example: Copy a batch of IDs instantly.
Test patterns, preview matches, and run replace operations with group tables.
Example: Enter a pattern and test input text.
Example: Inspect matches and capture groups.
Example: Preview replace output before applying.
Compare two texts side by side and highlight insertions and deletions.
Example: Paste original and updated text blocks.
Example: Review insertions, deletions, and changes.
Example: Use it to verify edits before sharing.
Auto-detect formats, validate, and convert with split view and error locations.
Example: Paste YAML to auto-detect the format.
Example: Convert to JSON with validation feedback.
Example: Fix errors using exact locations.
Convert CSV to JSON and back with clear structure previews.
Example: Paste CSV rows to get a JSON array.
Example: Convert JSON back to CSV for export.
Example: Check columns and structure quickly.
Decode and encode JWTs, copy headers/payloads, and highlight time claims.
Example: Paste a token to inspect header and payload.
Example: Review exp and iat timestamps at a glance.
Example: Copy decoded sections for debugging.
Search ASCII codes and names with quick copy actions.
Example: Search by code or character name.
Example: Copy hex or decimal values instantly.
Example: Filter to locate control characters fast.
Look up HTML entity codes and descriptions in a categorized list.
Example: Find the entity for ampersand.
Example: Copy the entity code for HTML markup.
Example: Browse categories for symbols and arrows.
Inspect local image dimensions and file info without uploading.
Example: Drop a PNG to read dimensions and size.
Example: Review file info before sharing.
Example: Keep files local, no uploads required.
Drop an image into a clean frame to review it distraction-free.
Example: Drop a screenshot for a clean preview.
Example: Review images without UI clutter.
Example: Use it for quick visual checks.
Parse URL parts, edit query parameters, and reassemble instantly.
Example: Paste a URL to split protocol, host, and path.
Example: Edit query parameters inline.
Example: Copy the reassembled URL immediately.
Run Python code locally in the browser using Pyodide with standard libraries.
Example: Write a small script and run it locally.
Example: Inspect stdout output in the results pane.
Example: Use standard library modules for quick tests.
Hex-Binary Service is built for local-first, distraction-free work. Tools never send your input to a server.
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Usage guide
Quick tips for using the dashboard.
Tool guide
Last updated: February 4, 2026