LumeTOOLS
Local only
14 TOOLS · READY INSTANTLY

Less switching.
More finishing.

A focused workspace for everyday text, data, design, and developer tasks. No sign-up, no uploads, instant results.

✦
0 KB

of your data uploaded

CLIENT-SIDEPRIVATE BY DEFAULT
TOOL LIBRARY

What are you working on?

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01
Aa

Text Workshop

Replace, transform, sort, deduplicate, and clean text in seconds.

02
{ }

JSON Studio

Format, minify, and pinpoint common JSON syntax errors.

03
</>

Encoder / Decoder

Work with Base64, URL encoding, and HTML entities.

04
◷

Time Converter

Convert Unix seconds, milliseconds, local time, and ISO dates.

05
↔

Unit Converter

Convert length, weight, temperature, and digital storage.

06
◉

Color Converter

Convert HEX, RGB, and HSL with a live color preview.

07
✦

Random Generator

Create UUIDs and cryptographically secure passwords.

08
#

Hash Digest

Calculate SHA-256, SHA-384, and SHA-512 digests.

09
.*

Regex Tester

Test patterns, flags, matches, and capture groups live.

10
Md

Markdown Preview

Write Markdown and preview clean, safe HTML instantly.

11
01

Number Base

Convert binary, octal, decimal, and hexadecimal integers.

12
Δd

Date Difference

Measure the exact span between two dates and times.

13
◒

CSS Gradient

Build linear gradients and copy production-ready CSS.

14

Lorem Generator

Generate paragraphs, sentences, or words for mockups.

01Local processing

Your input never leaves your device.

02Ready instantly

No account, install, or waiting.

03Keyboard friendly

Press / to search and ⌘ Enter to run.

01 / TEXT LAB

Text Workshop

Clean and transform everyday text from one focused workspace.

Source text

0 chars · 0 lines

Result

02 / DATA LAB

JSON Studio

Format, minify, validate, and clearly locate syntax errors.

JSON input

Waiting for input
03 / CODEC

Encoder / Decoder

Work with Base64, URL encoding, and HTML entities.

04 / TIME

Time Converter

Auto-detect seconds or milliseconds and show local and UTC time.

Date → timestamp

LOCAL TIME
Unix seconds—
Milliseconds—
ISO 8601—

Timestamp → date

AUTO DETECT
LOCAL TIMEWaiting for inputUTC —
05 / UNIT

Unit Converter

Convert both ways in real time without repeated calculation.

06 / COLOR

Color Converter

Enter any HEX color to get copy-ready RGB and HSL values.

LIVE PREVIEWAaBest with dark text
RGBrgb(118, 87, 255)
HSLhsl(251, 100%, 67%)
HEX#7657FF
07 / RANDOM

Random Generator

Use cryptographically secure browser randomness for IDs and passwords.

UUID v4

RFC 4122

          
Random password
0 bit
—

        

      


      

        
08 / HASH
Hash Digest
Calculate one-way text digests with the Web Crypto API.

        
 Content never uploads
HEX DIGEST—

      


      

        
09 / REGEX
Regex Tester
Test JavaScript regular expressions with live matches and capture groups.

        

          
Pattern
JAVASCRIPT
//

          
Matches
0 MATCHES

        

      


      

        
10 / MARKDOWN
Markdown Preview
Write Markdown and preview the rendered document side by side.

        

          
Markdown

          
Preview

        

      


      

        
11 / NUMBER
Number Base
Convert signed integers across binary, octal, decimal, and hexadecimal.

        
BIN11111111
OCT377
DEC255
HEXFF

      


      

        
12 / DATE
Date Difference
Measure the exact duration between two dates and times.

        
0DAYS
0HOURS
0MINUTES
0SECONDS

      


      

        
13 / CSS
CSS Gradient
Design a linear gradient and copy production-ready CSS.

        
LIVE GRADIENTLume
CSSlinear-gradient(135deg, #7657ff, #d8ff65)

      


      

        
14 / WRITE
Lorem Generator
Generate placeholder copy for layouts, prototypes, and content tests.

        
Generated text