
JsonFixer
Fix malformed JSON from LLMs, APIs, and config files.
JsonFixer launched on March 23, 2026 with 3 votes, #3,303 of 23,380 launches that month and more than 50% of that year's launches.
What it does
JsonFixer is a free AI-powered JSON repair workspace. Paste broken JSON — from LLM outputs, API responses, or config files — and a four-stage self-healing engine (WASM → jsonrepair → AI) fixes it in under 200 ms. REST API available.
Does a similar job
all alternatives →- IMI made a tool which fixes broken JSONs2024 · prakhar897.github.io · ▲29


JSON Master2020 · jsonmaster.com · ▲82Format, repair, convert, and visualize JSON, XML, YAML, CSV, and TOML. Free developer platform with advanced visualizers and AI-powered syntax repair.
- RJRepair JSON2021 · repair-json.vercel.app · ▲7

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