Every online tool you need, in one place.
Convert PDFs, edit images, write with AI, wrangle text and code, crunch numbers, and generate QR codes. 200 fast tools — no sign-up, and most run right in your browser.
Free forever · No credit card · Runs in your browser
Browse by category
A tool for every job
Organized into clear categories so you can find what you need in seconds.
AI
20 tools
Summarize, rewrite, translate, and fix text with AI.
Video & GIF
5 tools
Convert, compress, trim, and extract — in your browser.
Audio
5 tools
Convert, trim, merge, clean, and adjust audio — in your browser.
Image Editing
8 tools
Crop, rotate, add text, and more — in your browser.
Productivity
5 tools
Notepad, timers, invoices, and everyday utilities.
Developer
22 tools
Format, inspect, test, and generate with AI.
Web & SEO
3 tools
Ship and market your site.
Converters
39 tools
Transform between formats.
Unit Conversions
28 tools
Convert length, weight, and temperature — feet to cm, kg to lbs, °C to °F, and more.
22 tools
Merge, split, edit, and create PDFs.
Calculators
16 tools
Everyday math, money, and dates.
Text
11 tools
Work with words and strings.
Generators
16 tools
Create codes, styles, and values.
Popular tools
What people use most
The go-to tools our visitors reach for every day.
Convert Word documents (DOC, DOCX) to PDF.
Convert a PDF into an editable Word document.
Combine multiple PDFs into one file.
Summarize any text in seconds.
Extract text from images, photos, and scans.
Convert images between PNG, JPG, and WebP.
Shrink JPG, PNG, and WebP images to a smaller size.
Make AI-generated text read naturally.
Format, validate, and minify JSON — instantly, in your browser.
Create and download a QR code for any link or text.
Create strong, random passwords with custom rules.
Create and download a professional invoice PDF.
Why OhoTool
Fast, private, and genuinely free
Private by default
Most tools run entirely in your browser — your files never leave your device.
Instant, no sign-up
Open a tool and use it. No account, no install, no waiting.
Free & unlimited
The full core toolkit is free with no ads and no usage caps.
Always growing
New tools and features ship regularly — this is just the start.
Need to send a file?
Share any file with a private, end-to-end encrypted link — free and no sign-up. Add a password, and it auto-deletes within 24 hours.
OhoTool Pro
Level up when you need more
Everything free, plus unlimited AI writing tools, advanced document conversions, dynamic QR codes with analytics, and an API.
Unlimited AI tools
Summarize, paraphrase, humanize, translate, write emails, and 20+ more. Everyone gets a free daily allowance — Pro removes the cap.
Dynamic QR + scan analytics
Point a printed code anywhere, then re-point it whenever you want. Track scans over time, by device and referrer.
Advanced conversions
Office↔PDF, CSV↔Excel, PDF→PowerPoint, and more — processed on our server.
On-brand QR codes
Logo, colors, gradients, and shapes. Export PNG, SVG, or PDF.
Automate with the API
Generate codes programmatically with a simple REST endpoint.
curl -H "Authorization: Bearer oho_…" \
"https://ohotool.com/api/v1/qr?data=hello" \
--output qr.pngPricing
Simple, honest pricing
Start free. Upgrade when you need branding, analytics, and automation.
Free
Everything you need, no account required.
- 130+ online tools — free, no ads
- AI writing tools — free daily use
- PDF, image, audio & video tools
- Encrypted file sharing (Send)
- Import from Dropbox & Google Drive
- QR & barcode generator
Pro
For creators, teams, and businesses.
- Everything in Free
- Unlimited AI — 20+ writing & content tools
- Office ↔ PDF, CSV ↔ Excel & more converters
- Send links that last up to 7 days
- Conversions API for automation
- Dynamic QR codes + scan analytics
- Bulk image, PDF & QR processing
- Priority support
FAQ
Questions, answered
Are OhoTool's tools really free?
Most of our 200+ tools are free and unlimited — no ads, no sign-up. The AI tools include a free daily allowance, and Pro unlocks unlimited AI, advanced Office↔PDF conversions, dynamic QR analytics, and more.
Do I need an account to use the tools?
No. Every tool works instantly in your browser without an account. You only sign in if you want to save your work or use Pro features.
Is my data uploaded to a server?
For most tools, no — they run entirely in your browser, so your files never leave your device. A few advanced conversions are processed securely on our server and deleted immediately afterward.
What file conversions do you support?
Word, PowerPoint, and Excel to PDF; PDF to Word and PowerPoint; CSV↔Excel; HTML to PDF; images to and from PDF; HEIC to JPG/PNG; image conversion, compression, and editing; image-to-text (OCR); audio and video conversion; and Markdown/HTML/code conversions — among many others.
What do I get with Pro?
Unlimited AI writing tools, advanced document conversions (Office↔PDF, CSV↔Excel, and more), dynamic QR codes with scan analytics and branding, bulk generation, and an API.
Can I cancel anytime?
Absolutely — manage or cancel your subscription in one click from the billing portal. No emails, no hassle.
Pick a tool and get going
200 free tools, ready in your browser. Upgrade anytime for QR analytics, advanced conversions, and the API.