Dev Toolkit

Output Format

Sort

Case

Chunk Size (0 = off)

Column Name (SQL)

Prefix Per Item

Suffix Per Item

Filter Regex

Custom Template

Remove duplicates Trim whitespace Live preview Invert filter

Find & Replace: →

📂 Drop file here

⮜ Input

Lines: 0 Chars: 0

⮞ Output

Total: 0 Unique: 0 Dupes removed: 0

📂 Drop .json file here

{} JSON Input

Size: 0 B Lines: 0

⮞ Output

ⓘ Paste JSON and it will be validated automatically

Path: $

Keys: 0 Depth: 0 Size: 0 B

Live preview with syntax highlighting, mermaid diagrams, tables & more

📂 Drop .md file here

⮜ Markdown Input

Lines: 0 Words: 0 Chars: 0

⮞ Preview

Start typing markdown to see the preview...

Current Unix Timestamp

—

Human Readable (Local)

—

🕒 Epoch → Human Date

Enter a Unix timestamp

📅 Human Date → Epoch

Enter a date/time

⚡ Batch Convert

Input (one per line)

Output

Live

⮜ Input

Chars: 0 Bytes: 0

⮞ Output

Chars: 0 Bytes: 0

/ /

0 matches

Test String

Matches

Replace

🔑 JWT Token

Algorithm: — Type: —

⮞ Decoded

Paste a JWT token to decode it

Ignore whitespace Ignore case Trim lines

Dev Toolkit

⮜ Input

⮞ Output

{} JSON Input

⮞ Output

⮜ Markdown Input

⮞ Preview

🕒 Epoch → Human Date

📅 Human Date → Epoch

⚡ Batch Convert

⮜ Input

⮞ Output

Test String

Matches

🔑 JWT Token

⮞ Decoded

Original (A)

Modified (B)

List A

List B