Tools
Browse free online tools
Choose a focused ChlatWork tool for documents, images, QR codes, barcodes, dates, calculators, productivity, or developer tasks.
30 of 30 tools
Tool categories
Browse by task type when you know the kind of work you need to finish.
PDF Tools
Convert, merge, split, compress, reorder, and create PDF files with practical browser-based tools.
Image Tools
Compress images and turn common image files into clean PDF documents for upload, sharing, and records.
QR & Barcode
Generate QR codes, Wi-Fi QR posters, and barcode graphics for labels, menus, inventory, and testing.
Date & Time
Calculate date differences, convert Unix timestamps, and explain cron schedules for planning and debugging.
Calculators
Settle shared expenses, calculate dates, and track spending with focused tools for everyday work.
Productivity
Run lucky draws, read text aloud, generate passwords, and use focused helpers for small office workflows.
Learn how to use our tools
Beginner-friendly guides with examples, tips, and direct links to each ChlatWork tool.
30 guides
How to Split Group Expenses Without Confusion
Learn how to split shared bills, trip costs, and office expenses with the free ChlatWork PayBack Calculator.
How to Compress an Image Without Uploading It
Batch compress JPG, PNG, and WebP images in your browser without uploading them to a server.
How to Convert Images Into One PDF
Turn JPG, PNG, WebP, and HEIC images into a clean PDF with page size, orientation, margin, and ordering controls.
How to Convert JPG Images Into a PDF
Learn how to convert JPG, PNG, and WebP images into one PDF locally in your browser.
How to Convert PDF Pages to JPG Images
Learn how to render PDF pages as JPG images locally in your browser without uploading the PDF.
How to Merge Multiple PDF Files
Learn how to combine multiple PDF files into one ordered PDF in your browser.
How to Split a PDF by Page Range
Learn how to split a PDF by page ranges like 1-3, 5, 8-10 using a local browser tool.
How to Compress a PDF in Your Browser
Learn what browser-side PDF compression can safely do and how to rebuild a PDF locally.
How to Remove Pages from a PDF
Learn how to remove pages from a PDF using ranges like 2, 5-7 and download a new copy.
How to Reorder PDF Pages
Learn how to reorder PDF pages using a custom order like 3,1,2,4 in your browser.
How to Convert HTML Into a PDF
Learn how to convert simple printable HTML into a PDF locally in your browser.
How to Convert Plain Text Into a PDF
Learn how to create a simple PDF from plain text with font size, page size, and margin options.
How to Create a Simple Invoice PDF
Learn how to fill a simple invoice form and generate a clean PDF invoice in your browser.
How to Generate a QR Code for Free
Create a free QR code for a website link, text, menu, contact note, or campaign and download it as PNG.
How to Create a Wi-Fi QR Code for Free
Create a Wi-Fi QR code so customers, guests, or staff can connect by scanning instead of typing the password.
How to Convert Khmer and English Text to Voice
Read Khmer or English text aloud with ChlatWork Text to Voice using automatic language detection, online audio, or browser voice controls.
How to Use a Date Calculator Online
Add or subtract days, weeks, months, and years from a date with the ChlatWork Date Calculator.
How to Generate a Barcode for Free
Generate CODE128, EAN13, UPC, and CODE39 barcodes from numbers and basic English characters and download them as SVG.
How to Track Expenses Online for Free
Track daily expenses, budgets, categories, and spending insights with the free ChlatWork Expense Tracker.
How to Run a Lucky Draw Online
Run a fair lucky draw wheel online by adding participants, drawing winners, and sharing the result.
How to Format JSON Online
Format, minify, and validate JSON with readable indentation and helpful error details.
How to Decode a JWT Token
Decode JWT header, payload, and timing claims while remembering that decoding does not verify the signature.
How to Encode and Decode Base64
Encode text, decode Base64, and convert local files to Base64 in your browser.
How to Encode and Decode URLs
Encode and decode URL components, query strings, and pasted parameters for safer web links.
How to Test Regex Online
Test JavaScript regular expressions with flags, matches, highlighting, and group results.
How to Generate UUIDs Online
Generate one or many random v4 UUIDs and copy them for testing, database records, or sample data.
How to Convert Unix Timestamps
Convert Unix timestamps to readable dates and convert dates back to seconds or milliseconds.
How to Explain a Cron Expression
Understand cron expressions and preview upcoming run times for schedules like every 5 minutes or weekdays at 9 AM.
How to Generate Hashes Online
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text locally in your browser.
How to Generate a Strong Password
Generate strong random passwords with length and character options for safer accounts.
Utilities
10 tools
PayBack Calculator
Split group spending and calculate who pays who.
Image Compressor
Batch compress images instantly without uploading to a conversion server.
Image to PDF Converter
Convert JPG, PNG, and WebP images into one clean PDF file instantly.
QR Generator
Generate QR for text/URL.
Wi-Fi QR Generator
Generate Wi-Fi QR to connect instantly by scanning.
Text to Voice
Read Khmer or English text aloud with automatic language detection.
Calculator
Quick calculations with history.
Barcode Generator
Generate barcodes instantly from numbers and basic English characters.
Expense Tracker
Track daily expenses with budget, breakdown, and insights.
Lucky Draw
Add participants and randomly draw one or more winners instantly.
PDF Tools
10 tools
JPG to PDF
Convert JPG, PNG, and WebP images into one PDF file.
PDF to JPG
Render PDF pages into downloadable JPG images.
Merge PDF
Combine multiple PDF files into one ordered PDF.
Split PDF
Extract selected page ranges into a new PDF.
Compress PDF
Rebuild a PDF locally and remove safe metadata where possible.
PDF Page Remover
Remove selected pages from a PDF and download the result.
PDF Page Reorder
Create a new PDF with pages in a custom order.
HTML to PDF
Render simple HTML into a printable PDF page.
Text to PDF
Convert plain text into a simple downloadable PDF.
Invoice to PDF
Fill a simple invoice form and download a clean PDF.
Developer Tools
10 tools
JSON Formatter / Validator
Pretty print, minify, and validate JSON.
JWT Decoder
Decode JWT header, payload, and token timing claims.
Base64 Encoder / Decoder
Encode, decode, and convert files to Base64 locally.
URL Encoder / Decoder
Encode and decode URL components and query strings.
Regex Tester
Test regex patterns, flags, matches, and groups.
UUID Generator
Generate v4 UUIDs one at a time or in bulk.
Unix Timestamp Converter
Convert timestamps to dates and dates back to timestamps.
Cron Expression Explainer
Explain cron expressions and preview upcoming run times.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
Password Generator
Generate strong passwords with length and character controls.