All Free Tools
8,451 free online tools across 85 categories
Every tool here runs in your browser — no sign-up, no upload, nothing to install. Convert files, format code, generate text, run calculations, and check SEO across PDF, image, developer, finance, and unit-conversion tools. Pick one and start.
| Tool | Category | Description | Action |
|---|---|---|---|
|
Base64 to Hexadecimal Converter
|
Math Calculators | Open | |
|
Base64 To Image
|
Image Tools | Open | |
|
Base64 to Octal Converter
|
Math Calculators | Open | |
|
Base64URL Encoder / Decoder
|
Security & Privacy | Open | |
|
Base85 Decoder
|
Developer Tools | Open | |
|
Base85 Encoder
|
Developer Tools | Open | |
|
Base91 Decoder
|
Developer Tools | Open | |
|
Base91 Encoder
|
Developer Tools | Open | |
|
Baseball ERA Calculator
|
Sports Tools | Open | |
|
Baseball OPS Calculator
|
Sports Tools | Open | |
|
Baseball WHIP Calculator
|
Sports Tools | Open | |
|
Baseline Grid Calculator
|
Color Tools | Open | |
|
Basketball PER Calculator
|
Sports Tools | Open | |
|
Basketball True Shooting Percentage Calculator
|
Sports Tools | Open | |
|
Batch Size Memory Estimator
|
Computer Science Tools | Open | |
|
Battery Backup Calculator
|
Engineering Tools | Open | |
|
Battery Capacity Calculator
|
Engineering Tools | Open | |
|
Battery Discharge Calculator
|
Electrical Tools | Open | |
|
Battery Life Calculator
|
Engineering Tools | Open | |
|
Battery Storage Sizing Calculator
|
Energy Tools | Open | |
|
Batting Average Calculator
|
Sports Tools | Open | |
|
Baud Rate to Bit Rate Calculator
|
Networking Tools | Open | |
|
Bayes Theorem Calculator
|
Number Tools | Open | |
|
BCD Converter
|
Developer Tools | Open | |
|
Bcrypt Compare Tool
|
Developer Tools | Open | |
|
Bcrypt Cost Factor Estimator
|
Security & Privacy | Open | |
|
Bcrypt Hash Generator
|
Developer Tools | Open | |
|
Bcrypt Hash Verifier
|
Security & Privacy | Open | |
|
BDT to EUR Converter
|
Currency Converters | Open | |
|
BDT to USD Converter
|
Currency Converters | Open | |
|
Bead Count Calculator
|
Home & DIY | Open | |
|
Bead String Length Calculator
|
Jewelry Tools | Open | |
|
Beam Bending Stress Calculator
|
Engineering Tools | Open | |
|
Beam Deflection Calculator
|
Construction Tools | Open | |
|
Beam Deflection Cantilever Calculator
|
Engineering Tools | Open | |
|
Beam Deflection Simply Supported
|
Engineering Tools | Open | |
|
Beam Divergence Calculator
|
Science Tools | Open | |
|
Beam Load Calculator
|
Construction Tools | Open | |
|
Beam Reaction Calculator
|
Engineering Tools | Open | |
|
Beam Shear Stress Calculator
|
Engineering Tools | Open | |
|
Bearer Token / JWT Quick Decoder
|
Developer Tools | Open | |
|
Bearing Calculator
|
Space & Astronomy | Open | |
|
Bearing Capacity (Terzaghi) Calculator
|
Engineering Tools | Open | |
|
Bearing Load Calculator
|
Construction Tools | Open | |
|
Bearing to Azimuth Converter
|
Engineering Tools | Open | |
|
Beat Frequency Calculator
|
Physics Tools | Open | |
|
Beaufort Scale Reference
|
Marine Tools | Open | |
|
Beaufort Wind Scale
|
Weather Tools | Open |
Showing 625–672 of 8,451 tools