5 Productivity Tools You Can Use Right in Your Browser

Published: May 13, 2026 · 6 min read

We all waste time on small tasks: Googling unit conversions, counting characters for a form, deciding who presents next in a meeting, or trying to stay focused while working. Here are 5 free browser tools that handle these everyday tasks instantly — no app to install, no account to create, no data leaves your device.

1. Unit Converter: Stop Googling Conversions

How many feet in 180 centimeters? What is 72°F in Celsius? How large is 2 acres in square meters? Instead of searching and wading through ads, the Unit Converter gives you instant answers for length, weight, temperature, and area.

Who uses this: Students solving physics problems, travelers checking baggage weight limits, cooks converting recipes between metric and imperial, real estate agents comparing property sizes.

Pro tip

Use the swap button to instantly reverse the conversion direction. If you entered "100 km → miles", clicking swap gives you "100 miles → km" without re-typing.

2. Random Picker: Make Decisions Faster

Need to randomly select a team member for a task? Split a class into groups? Pick a winner for a giveaway? The Random Picker handles all of these. Enter items one per line, then either draw one or split everyone into teams.

Who uses this: Teachers assigning presentations, managers delegating tasks, event organizers running raffles, friends deciding where to eat.

Pro tip

For team splitting, specify the number of teams you want. The tool distributes items round-robin to ensure even group sizes.

3. Character Counter: Never Guess Word Counts Again

Twitter has a 280-character limit. LinkedIn summaries cap at 2,600 characters. Meta descriptions should be under 160 characters. College essays have minimum word counts. The Character Counter gives you real-time statistics: characters, words, sentences, paragraphs, Chinese vs. English breakdown, and estimated reading time.

Who uses this: Social media managers, copywriters, students, bloggers, and anyone writing within character limits.

Pro tip

The tool correctly handles mixed Chinese and English text. Chinese characters are counted individually, while English words are counted by spaces. The reading time estimate adjusts accordingly.

4. QR Code Generator: Share Links Instantly

Need to share a URL in a presentation? Create a WiFi login code for guests? Put your business card link on a physical poster? The QR Code Generator creates downloadable QR codes from any text or URL — all processed in your browser with no server round-trip.

Who uses this: Event organizers, restaurant owners (menu QR codes), marketers (campaign landing pages), teachers (resource links for students).

Pro tip

Use the "H" (High) error correction level if the QR code will be printed on a surface that might get damaged or partially obscured. This allows the code to be read even if up to 30% of it is covered.

5. Pomodoro Timer: Focus with Science-Backed Technique

The Pomodoro Technique, developed by Francesco Cirillo in the late 1980s, is one of the most studied time management methods. It works by breaking your work into 25-minute focused sessions separated by short breaks. The Pomodoro Timer on Freemaki implements this technique with visual progress tracking and automatic break reminders.

Who uses this: Remote workers, students studying for exams, writers on deadlines, programmers during deep work sessions.

Pro tip

If 25 minutes feels too short or too long, customize the session lengths in the settings. Some people prefer 50-minute sessions with 10-minute breaks. The key is finding your personal focus rhythm.

Privacy Matters

All five tools process data entirely in your browser. Your text, URLs, and numbers are never sent to any server. There are no accounts, no cookies tracking your activity, and no ads embedded in the tool interfaces. What you put in stays on your device.

Try Them All

All tools are free at freemaki.com. No signup required. Available in English and Chinese.

Unit Converter → Random Picker → Pomodoro Timer →