Tool Catalog
Explore tools for video compression, GIF creation, image conversion, EXIF cleanup, hash generation, MD5/SHA1/SHA256 checksum validation, JWT verification, regex testing, subnet planning, PDF question answering, technical SEO analysis, and .htaccess generation in one place. All tools run in-browser and offline, enabling safer and faster workflows without file uploads.
20+
Active Offline Tools
10
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In-Browser Processing
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Pick a category, review the tool, and open it with one click.
Video
2Audio
1Convert audio files to MP3/M4A/OGG/WAV formats.
Open toolImage
3Academic
1Academic OCR tool that outputs BibTeX from source images.
Open toolAI
1Productivity tool that optimizes prompts by goal, tone, and format.
Open toolDeveloper
6Decode, sign, and verify JWTs directly in your browser.
Open toolTest regex with live highlighting and group analysis.
Open toolSplit complex URLs into protocol, host, path, query, and hash parts instantly.
Open toolSearch HTTP status codes in a static dictionary with meaning, causes, and quick fixes.
Open toolApache tool for redirect, cache, bot/IP blocking, and custom error page rules.
Open toolOffline API tool that generates OpenAPI, Postman collection, and cURL outputs in-browser.
Open toolSEO
2Network
1IPv4/CIDR network, host, and subnet planning tool.
Open toolSecurity
4Client-side integrity tool that generates SHA hashes for text and files.
Open toolOffline checksum tool that generates MD5, SHA1, and SHA256 outputs for text and files at once.
Open toolOffline technical security tool that analyzes and scores HTTP security headers.
Open toolTool that detects personal-data patterns in text and masks them for safer sharing.
Open tool