All Free Online Tools
Every Noderail tool in one place — converters, calculators and generators that run entirely in your browser. No sign-up, no uploads, no limits. A new tool ships every day.
Calculators
BMI Calculator
Calculate your BMI instantly. Free body mass index calculator with metric & imperial units, WHO chart and healthy weight range. Check your BMI now.
Car Loan Calculator with Extra Payments & Amortization
Free car loan calculator with extra payments, trade-in, sales tax and a full amortization schedule. Get your monthly payment, payoff date and interest saved.
Mortgage Calculator with Extra Payments & Amortization
Free mortgage calculator with extra payments, PMI, taxes and a full amortization schedule. See your payoff date and interest saved — instant, no sign-up.
Generators
Free Barcode Generator Online
Create barcodes online free — Code 128, EAN-13, UPC-A, Code 39 and more. Live preview, PNG & SVG download, bulk CSV mode, no sign-up. Made in your browser.
Free QR Code Generator
Create free QR codes online for URLs, Wi-Fi, vCards & more. Custom colors, PNG & SVG download, no sign-up, codes never expire. Generate yours in seconds.
WiFi QR Code Generator
Create a free WiFi QR code so guests connect by scanning — no typing the password. Print a guest card, download PNG or SVG. No sign-up, runs in your browser.
vCard QR Code Generator
Create a free vCard QR code that saves your name, phone, email & company to a phone in one scan. Download PNG, SVG or .vcf — no sign-up, never expires.
Hardware Tools
Dead Pixel Test
Free full-screen dead & stuck pixel test — cycle red, green, blue, white & black to spot defects on any monitor, laptop or phone. Stuck-pixel fixer included.
Gamepad Tester
Free online gamepad tester for PS5, PS4, Xbox and PC controllers. Check every button, run a stick drift test and try vibration — right in your browser.
Keyboard Tester Online
Free online keyboard tester: press any key to check it works, find stuck or dead keys, and run a key rollover (NKRO) and ghosting test. No download.
Mic Test
Free mic test online: live volume meter and waveform, hear yourself through headphones, record a clip and play it back. 100% in your browser — no upload.
Mouse Tester
Free online mouse tester: check for double-click faults, test left, right, middle & side buttons, scroll wheel and run a CPS test. Spot switch wear instantly.
Webcam Test
Free online webcam test: live preview, resolution & FPS check, mirror flip, snapshot and video recording. Runs 100% in your browser — nothing is uploaded.
Image Tools
Compress Image to 50KB / 100KB
Compress an image to an exact size — 20KB, 50KB, 100KB, 200KB or any KB. Free in-browser JPG/WebP compressor, batch + ZIP, no upload, no limit, no watermark.
Crop Image Online
Crop images online free with social-media presets (Instagram, YouTube, Facebook). Lock any aspect ratio, no upload — photos stay in your browser.
HEIC to JPG Converter
Convert HEIC to JPG online free. Batch convert iPhone photos right in your browser — no upload, no sign-up, full quality. Drop your HEIC files now.
Passport Photo 35x45 mm Online Free
Make a 35x45 mm passport photo online free — UK, Schengen, India. Head & eye guides, 413x531 px JPG + printable sheet. Photos never leave your browser.
Passport Photo Maker
Make a 2x2 US passport photo online free. Crop with head & eye guides, download a 600x600 JPG or a printable 4x6 sheet. Photos never leave your browser.
Photo 3x4 cm Maker
Make a 3x4 cm document & visa photo online free. Crop to 30x40 mm or 3.5x4.5 cm, 300 DPI JPG + printable sheet. Photos never leave your browser.
PDF Tools
Compress PDF to 100KB Online
Compress PDF to 100KB, 200KB or any exact size free — right in your browser, no upload, no watermark, no sign-up. Hit a target file size and download instantly.
JPG to PDF Converter Online Free
Convert JPG, PNG or WebP images to one PDF free — merge photos, set page size, margins and a target file size like 200 KB. No upload, no watermark.
Merge PDF Files Online Free
Merge PDF files into one for free — no size limit, no watermark, no sign-up. Reorder and combine PDFs right in your browser; files never leave your device.
PDF to JPG Converter Online Free
Convert PDF to JPG or PNG free — high quality up to 300 DPI, no upload, no watermark. Pick pages, set a target size and download images in your browser.
Password Protect PDF Online Free
Password protect a PDF online free with real AES-256 encryption. Your file and password never leave your browser — no upload, no sign-up, no watermark.
Sign PDF Online Free
Sign a PDF online free with no sign-up: draw, type or upload your signature, place it on any page and download instantly. Files never leave your browser.
Split PDF Online Free
Split a PDF online free — extract pages into a new PDF or split into separate files. No upload, no limits, no watermark; files never leave your browser.
Unlock PDF Online Free
Unlock a PDF online free — remove the open password or print/copy restrictions right in your browser. No upload, no sign-up, no limits, no watermark.
Video & Audio Tools
Compress Video Online Free
Compress video files online free — right in your browser. No upload, no watermark, no size limits. Reduce MP4 size for Discord, WhatsApp & email.
MP4 to MP3 Converter Online Free
Convert MP4 to MP3 online free — extract audio right in your browser. No upload, no watermark, no limits. Choose the bitrate and download your MP3 instantly.
Video Trimmer Online Free
Trim and cut video online free, right in your browser. No upload, no watermark, no sign-up, no size limit. Lossless or precise — download instantly.