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101Tool

For developers: 101Tool provides free API testing, PDF optimization, and code generation so you build faster without leaving your browser.

Built by Jason Lee · SaaS · Free

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In category: #273 of 1119 · SaaS

101Tool is a Instant Launch listing on Launch Llama with 33 total upvotes, founded by Jason Lee who joined in Jul 2026, compared against 6 alternatives.

Instant Launch listing

Listing status

33upvotes

Community score

Jason Lee (Joined Jul 2026)

Founder

Compared against 6 alternatives

Market comparison

101Tool

About

101Tool is a free browser-based toolkit for developers and small teams. API Studio supports REST, GraphQL and WebSocket workflows, multi-request tabs, environments, tests, variable extraction, collection runners, Postman Collection imports and OpenAPI imports. It also includes local PDF optimization, JSON-to-TypeScript, Go and Python Pydantic code generation, plus URL, Base64, ASCII, color, hexadecimal and text converters. Core tools work without installation or signup in Korean and English.

Pricing

101Tool is free to use. See the website for details.

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Alternatives

OneToolkitFor developers: OneToolkit provides 121+ free online tools for PDF, image, and data tasks so you skip paid software and work faster in your browser.ToolblipDevelopers use Toolblip to format JSON, encode Base64, generate QR codes, count words, and perform 436 other tasks—most processing happens directly in your browser with instant results.FileTools KitFree PDF, image, resume, QR & file tools that run in your browser — no uploads.ToolsKit.ccFree online tools for developers and everyday file tasks, including JSON formatting, Base64 encoding, PDF merging and splitting, and SEO utilities.MultiTOOL Pro AI KIT UtilitiesAll Tools Utilities AI Hub... Everything FULL + Complete Ultimate App all in oneJavaScript ToolsFor developers: JavaScript Tools provides privacy-first utilities for code formatting, JSON inspection, and test fixture generation so you work faster locally.

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Supporters

1 founder

1 founder supported 101Tool on Launch Llama.

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Upvote · 33

101Tool

  • Founded by Jason Lee
  • Listed July 2026
  • Updated September 26, 2026