File Extension Changer

Rename file formats without a terminal

Original Filename

New Extension

document.json

⚡ MyToolMate

96+ free tools — PDF, design, code, calculators. Everything runs in your browser. No sign-up required.

logixmagix@proton.me

PDF Studio

Merge & Split
PDF Viewer
Compress PDF
Protect PDF
Unlock PDF
+18 more →

Image & Design

Image Converter
Image Resizer
Color Picker
Gradient Generator
SVG Optimizer
+4 more →

Text & Writing

Case Converter
Word Counter
Text Stripper
Lorem Ipsum
Markdown
+4 more →

Developer & Network

JSON Formatter
YAML ↔ JSON
XML Formatter
SQL Formatter
GraphQL
+22 more →

Calculators & Time

EMI Calculator
Compound Interest
Percentage Calc
Salary Estimator
Unit Converter
+7 more →

Security & Privacy

Password Generator
Password Entropy
Hash Generator
Cert Decoder
CSP Generator
+1 more →

Productivity

Invoice Generator
Time Card
Gantt Chart
QR Generator
Barcode
+5 more →

© 2026 MyToolMate. All rights reserved. All tools run client-side — no data is sent to servers.

About Contact Privacy Terms Disclaimer Cookies