TechSolve Tools — 70+ free tools. Zero hassle.
- Merge PDF
- Split PDF
- Image to PDF
- Organize PDF
- PDF to Image
- Image Converter
- QR Generator
- Color Studio
- Meme Maker
- Word Counter
- Case Converter
- Text Cleaner
- Notepad
- JSON Formatter
- Base64
- UUID Generator
- Hash Generator
- Password Generator
- Calculator
- Unit Converter
- Timer
- Focus Sounds
- Screen Test
- Keyboard Tester
- Cam & Mic Check
- Compress PDF
- Sign PDF
- Stamp PDF
- PDF to Text
- Favicon Maker
- Photo Privacy
- Screenshot Studio
- Screen Recorder
- Voice Recorder
- Read Aloud
- Keyboard Layout Fixer
- PromptPay QR
- Invoice Maker
- Date Calculator
- Time Zones
- Spin & Pick
- Percent & Discounts
- Regex Tester
- JWT Decoder
- Cron Secret Generator
- Diff Checker
- Timestamp Converter
- Markdown Editor
- CSV ↔ JSON
- Placeholder Text
- Device Report
- Mouse & Touch Test
- PDF Editor
- OCR
- Background Remover
- QR Scanner
- Collage Maker
- GIF Maker
- Thai Tax Estimator
- Best Buy
- Fill PDF Forms
- Video Trimmer
- Whiteboard
- Currency Converter
- Tasks
- Desk Clock
- Pixel Art
- YAML ↔ JSON ↔ XML
- AI Upscaler
- Speed Test
- Loan Calculator
- BMI & Health
- Log Inspector
- URL Encoder & Parser
- SQL Formatter
- Age Calculator
- Baht Text Converter
- VAT Calculator (Thailand 7%)
- Image Resizer
Laptop Lab
Give an old laptop a second life.
Buying second-hand, selling your old machine, or just curious? Test the screen, every key, the webcam and the mic in minutes — then keep it on the desk as a focus-sound machine, timer and notepad.
Open the LabMade for Thailand.
- Keyboard Layout Fixerแก้ข้อความพิมพ์ผิดภาษาl;ylfu → สวัสดี
- PromptPay QRสร้าง QR พร้อมเพย์Get paid with a Thai QR
- Invoice Makerสร้างใบแจ้งหนี้Thai VAT & WHT ready
- Date Calculatorคำนวณวันที่Days between · พ.ศ. ↔ ค.ศ.
- Thai Tax Estimatorคำนวณภาษีเงินได้Personal income tax (ภ.ง.ด.90/91)
- Currency Converterแปลงค่าเงินTHB & 30+ currencies
- Baht Text Converterแปลงตัวเลขเป็นตัวอักษร (บาทถ้วน)Numbers to Thai baht words (BAHTTEXT)
- VAT Calculator (Thailand 7%)คำนวณ VAT 7%Add or remove VAT, with withholding tax
Guides
How-to guides
- How to Merge PDF Files (Free, No Sign-Up)Combine several PDFs into one file in under a minute — on Windows, Mac, iPhone or Android. Free, no sign-up and no watermark. 3 min read
- How to Compress a PDF (Free, Small Enough for Email)Shrink a PDF for email or chat in seconds: pick a level, compare the size before and after, and download. Free, no sign-up, no watermark. 4 min read
- How to Create a PromptPay QR Code (With Amount)Make a PromptPay QR for your mobile number, ID or e-Wallet, with a fixed amount or an open one. Free, no sign-up, ready to print or send on LINE. 4 min read
- How to Remove the Background from an Image (Free)Cut out people, products and pets and save a transparent PNG, or swap in a new colour, blur or photo. Free AI, no sign-up. 3 min read
- How to Sign a PDF Online for Free (No Printing)Sign a PDF without printing: draw, type or upload your signature, add the date and initials, drag them into place and download. Free, works on iPhone. 4 min read
- How to Calculate Thai Personal Income Tax (2025)Work out your Thai personal income tax step by step: expenses, allowances, the 0–35% brackets and whether you get a refund. Free calculator, no sign-up. 5 min read
On the workbench
Coming soon
- PDF ↔ Word
- Video Converter
- Audio Converter
- Translate
- Font Playground
- Transcribe
Pick up where you left off.
Save snapshots from any tool with ⌘S. Guests keep them for 24 hours on this device; a free account keeps them for 7 days on all your devices.
Questions, answered
Are TechSolve Tools really free?+
Yes. Every tool is free with no limits and no watermarks. A free account adds synced history; paid plans will add cloud storage and heavy-duty tools.
Will it work on my old laptop or phone?+
Yes. The site works on any modern browser on phones, tablets and computers. Turn on Lite mode (the feather icon) to switch off visual effects on older machines.
Do I need an account?+
No. Everything works without signing up. Sign up for free if you want your history kept for 7 days and synced across devices.